======================================
| [   21.387546][  T333] veth1: entered promiscuous mode
| [   21.389387][  T333] ------------[ cut here ]------------
| [ 21.389737][ T333] WARNING: CPU: 3 PID: 333 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) 
| [   21.390399][  T333] Modules linked in: bridge stp llc 8021q vrf veth
[   21.391669][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.392071][ T333] 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) 
[ 21.392404][ T333] 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
[   21.393562][  T333] RSP: 0018:ffffc90000586ef0 EFLAGS: 00010246
[   21.393976][  T333] RAX: 0000000000000000 RBX: ffff88800befa000 RCX: 0000000000000001
[   21.394472][  T333] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   21.394960][  T333] RBP: ffffc90000586fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.395444][  T333] R10: ffffc90000587010 R11: ffffffff90ea8918 R12: 1ffff920000b0de2
[   21.395937][  T333] R13: 00000000000005dc R14: ffffc90000587010 R15: ffff88800befaf08
[   21.396414][  T333] FS:  00007fe6e6db8800(0000) GS:ffff88809d437000(0000) knlGS:0000000000000000
[   21.396992][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.397396][  T333] CR2: 00000000004e6890 CR3: 000000000a2a5004 CR4: 0000000000772ef0
[   21.397902][  T333] PKRU: 55555554
[   21.398146][  T333] Call Trace:
[   21.398393][  T333]  <TASK>
[ 21.398574][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.398898][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.399243][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.399581][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.399988][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.400308][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 21.400648][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.400980][ T333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.401429][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.401692][ T333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.402133][ T333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.402511][ T333] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.402842][ T333] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.403167][ T333] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.403581][ T333] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.403915][ T333] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.404233][ T333] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.404578][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.404900][ T333] ? __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) 
[ 21.405222][ T333] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.405634][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.405960][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.406283][ T333] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.406620][ T333] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.406942][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.407263][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.407593][ T333] ? __create_object (mm/kmemleak.c:771) 
[ 21.407934][ T333] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.408257][ T333] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.408599][ T333] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.409001][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.409330][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.409666][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.409985][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.410308][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.410639][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.410957][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.411280][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.411617][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.411938][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.412260][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.412594][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.412921][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.413240][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.413581][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.413908][ T333] ? 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) 
[ 21.414230][ T333] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.414564][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.414883][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.415207][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.415558][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.415883][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.416217][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.416560][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.416881][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.417288][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 21.417619][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.417949][ T333] ? __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) 
[ 21.418348][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.418684][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.419009][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.419332][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.419660][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.419981][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.420306][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 21.420633][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.421034][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.421371][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.421858][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.422187][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.422604][  T333] RIP: 0033:0x7fe6e6f851e7
[ 21.422944][ T333] 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)
[   21.424096][  T333] RSP: 002b:00007fffde8a3918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.424589][  T333] RAX: ffffffffffffffda RBX: 00007fffde8a4040 RCX: 00007fe6e6f851e7
[   21.425069][  T333] RDX: 0000000000000000 RSI: 00007fffde8a3980 RDI: 0000000000000005
[   21.425565][  T333] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.426055][  T333] R10: 000000002a622910 R11: 0000000000000246 R12: 0000000000000004
[   21.426542][  T333] R13: 00000000686e4aea R14: 0000000000499600 R15: 0000000000000000
| [   22.517984][  T346] ------------[ cut here ]------------
| [ 22.518320][ T346] WARNING: CPU: 2 PID: 346 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.518958][  T346] Modules linked in: bridge stp llc 8021q vrf veth
| [   22.520032][  T346] Tainted: [W]=WARN
[   22.520292][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.520698][ T346] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.521028][ T346] 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
[   22.522138][  T346] RSP: 0018:ffffc90000636ef0 EFLAGS: 00010246
[   22.522558][  T346] RAX: 0000000000000000 RBX: ffff888010252000 RCX: 0000000000000001
[   22.523026][  T346] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   22.523506][  T346] RBP: ffffc90000636fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.523977][  T346] R10: ffffc90000637010 R11: ffffffff90ea8918 R12: 1ffff920000c6de2
[   22.524451][  T346] R13: 00000000000005dc R14: ffffc90000637010 R15: ffff888010252f08
[   22.524929][  T346] FS:  00007f4534f6a800(0000) GS:ffff88809d3b7000(0000) knlGS:0000000000000000
[   22.525491][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.525923][  T346] CR2: 00000000004e6898 CR3: 00000000021b9005 CR4: 0000000000772ef0
[   22.526402][  T346] PKRU: 55555554
[   22.526657][  T346] Call Trace:
[   22.526902][  T346]  <TASK>
[ 22.527073][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.527393][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.527730][ T346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.528062][ T346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.528481][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.528804][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 22.529131][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.529477][ T346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.529923][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.530170][ T346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.530617][ T346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.530984][ T346] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.531314][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.531650][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.532049][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.532364][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.532693][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.533014][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.533334][ T346] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.533670][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.534066][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.534386][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.534715][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.535033][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.535352][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.535683][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.536000][ T346] ? __create_object (mm/kmemleak.c:771) 
[ 22.536332][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.536662][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.536978][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.537370][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.537705][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.538039][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.538355][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.538698][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.539019][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.539336][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.539672][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.539990][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.540308][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.540643][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.540966][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.541289][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.541619][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.541947][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.542264][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.542597][ T346] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.542917][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.543234][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.543577][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.543898][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.544218][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.544558][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.544881][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.545194][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.545609][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 22.545931][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.546248][ T346] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.546650][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.546970][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.547292][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.547629][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.547958][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.548284][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.548629][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 22.548945][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.549333][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.549677][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.549995][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.550314][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.550720][  T346] RIP: 0033:0x7f45351371e7
[ 22.551050][ T346] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.552154][  T346] RSP: 002b:00007fff60dbe408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.552643][  T346] RAX: ffffffffffffffda RBX: 00007fff60dbeb30 RCX: 00007f45351371e7
[   22.553119][  T346] RDX: 0000000000000000 RSI: 00007fff60dbe470 RDI: 0000000000000005
[   22.553637][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.554108][  T346] R10: 000000003d1b0910 R11: 0000000000000246 R12: 0000000000000004
[   22.554589][  T346] R13: 00000000686e4aeb R14: 0000000000499600 R15: 0000000000000000
| [   34.962334][  T410] ------------[ cut here ]------------
| [ 34.962668][ T410] WARNING: CPU: 0 PID: 410 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) 
| [   34.963278][  T410] Modules linked in: bridge stp llc 8021q vrf veth
| [   34.964755][  T410] Tainted: [W]=WARN
[   34.964988][  T410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.965371][ T410] 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) 
[ 34.965702][ T410] 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
[   34.966799][  T410] RSP: 0018:ffffc90000af6f70 EFLAGS: 00010246
[   34.967194][  T410] RAX: 0000000000000000 RBX: ffff88800befa000 RCX: 0000000000000001
[   34.967659][  T410] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   34.968137][  T410] RBP: ffffc90000af7058 R08: 0000000000000000 R09: 0000000000000000
[   34.968601][  T410] R10: ffffc90000af7088 R11: ffffffff8c400130 R12: 1ffff9200015edf2
[   34.969056][  T410] R13: 00000000000005dc R14: ffffc90000af7088 R15: ffff88800befaf08
[   34.969518][  T410] FS:  00007fda23744800(0000) GS:ffff88809d2b7000(0000) knlGS:0000000000000000
[   34.970061][  T410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.970441][  T410] CR2: 00000000004e7398 CR3: 00000000376d6004 CR4: 0000000000772ef0
[   34.970905][  T410] PKRU: 55555554
[   34.971133][  T410] Call Trace:
[   34.971362][  T410]  <TASK>
[ 34.971524][ T410] ? __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) 
[ 34.971919][ T410] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 34.972299][ T410] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 34.972614][ T410] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.972919][ T410] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.973221][ T410] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.973534][ T410] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.973837][ T410] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.974140][ T410] ? ___sys_sendmsg (net/socket.c:2670) 
[ 34.974450][ T410] ? __sys_sendmsg (net/socket.c:2700) 
[ 34.974770][ T410] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.975079][ T410] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 34.975465][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.975779][ T410] netif_set_mtu (net/core/dev.c:9652) 
[ 34.976083][ T410] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.976404][ T410] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.976648][ T410] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.977066][ T410] br_del_if (net/bridge/br_if.c:743) bridge 
[ 34.977402][ T410] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 34.977717][ T410] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 34.978037][ T410] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.978342][ T410] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.978735][ T410] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.979047][ T410] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.979348][ T410] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.979663][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.979972][ T410] ? __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) 
[ 34.980274][ T410] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.980676][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.980981][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.981283][ T410] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.981603][ T410] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.981909][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.982211][ T410] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.982522][ T410] ? __create_object (mm/kmemleak.c:771) 
[ 34.982832][ T410] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.983137][ T410] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.983448][ T410] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.983845][ T410] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.984154][ T410] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.984472][ T410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.984773][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.985088][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.985392][ T410] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.985702][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.986010][ T410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.986321][ T410] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.986635][ T410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.986941][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.987251][ T410] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.987563][ T410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.987878][ T410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.988193][ T410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.988511][ T410] ? 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) 
[ 34.988818][ T410] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.989125][ T410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.989432][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.989754][ T410] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.990064][ T410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.990369][ T410] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.990700][ T410] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.991010][ T410] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.991314][ T410] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.991712][ T410] ___sys_sendmsg (net/socket.c:2670) 
[ 34.992013][ T410] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.992315][ T410] ? __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) 
[ 34.992704][ T410] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.993017][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.993323][ T410] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.993641][ T410] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.993944][ T410] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.994247][ T410] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.994578][ T410] __sys_sendmsg (net/socket.c:2700) 
[ 34.994887][ T410] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.995264][ T410] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.995593][ T410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.995903][ T410] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.996209][ T410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.996593][  T410] RIP: 0033:0x7fda239111e7
[ 34.996909][ T410] 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)
[   34.998012][  T410] RSP: 002b:00007ffd35cd82f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.998485][  T410] RAX: ffffffffffffffda RBX: 00007ffd35cd8a20 RCX: 00007fda239111e7
[   34.998949][  T410] RDX: 0000000000000000 RSI: 00007ffd35cd8360 RDI: 0000000000000005
[   34.999405][  T410] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   34.999878][  T410] R10: 00007fda2380eee8 R11: 0000000000000246 R12: 0000000000000003
[   35.000333][  T410] R13: 00000000686e4af7 R14: 0000000000499600 R15: 0000000000000000
| [   35.132613][  T411] ------------[ cut here ]------------
| [ 35.132935][ T411] WARNING: CPU: 3 PID: 411 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.133771][  T411] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.134808][  T411] Tainted: [W]=WARN
[   35.135046][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.135427][ T411] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.135747][ T411] 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
[   35.136857][  T411] RSP: 0018:ffffc90000b06f70 EFLAGS: 00010246
[   35.137245][  T411] RAX: 0000000000000000 RBX: ffff888010252000 RCX: 0000000000000001
[   35.137706][  T411] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   35.138171][  T411] RBP: ffffc90000b07058 R08: 0000000000000000 R09: 0000000000000000
[   35.138635][  T411] R10: ffffc90000b07088 R11: ffffffff90579160 R12: 1ffff92000160df2
[   35.139089][  T411] R13: 00000000000005dc R14: ffffc90000b07088 R15: ffff888010252f08
[   35.139551][  T411] FS:  00007f0957ed8800(0000) GS:ffff88809d437000(0000) knlGS:0000000000000000
[   35.140082][  T411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.140491][  T411] CR2: 00000000004e73a8 CR3: 00000000376d2004 CR4: 0000000000772ef0
[   35.140954][  T411] PKRU: 55555554
[   35.141181][  T411] Call Trace:
[   35.141411][  T411]  <TASK>
[ 35.141572][ T411] ? __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) 
[ 35.141952][ T411] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.142297][ T411] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.142607][ T411] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.142919][ T411] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.143220][ T411] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.143529][ T411] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.143831][ T411] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.144136][ T411] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.144440][ T411] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.144760][ T411] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.145074][ T411] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.145479][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.145793][ T411] netif_set_mtu (net/core/dev.c:9652) 
[ 35.146097][ T411] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.146415][ T411] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.146654][ T411] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.147072][ T411] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.147410][ T411] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.147727][ T411] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 35.148040][ T411] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.148351][ T411] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.148754][ T411] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.149056][ T411] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.149357][ T411] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.149670][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.149983][ T411] ? __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) 
[ 35.150288][ T411] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.150673][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.150979][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.151283][ T411] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.151601][ T411] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.151903][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.152209][ T411] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.152526][ T411] ? __create_object (mm/kmemleak.c:771) 
[ 35.152837][ T411] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.153143][ T411] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.153445][ T411] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.153831][ T411] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.154139][ T411] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.154448][ T411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.154765][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.155073][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.155376][ T411] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.155685][ T411] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.155991][ T411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.156295][ T411] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.156618][ T411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.156929][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.157240][ T411] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.157551][ T411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.157863][ T411] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.158177][ T411] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.158486][ T411] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.158792][ T411] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.159105][ T411] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.159405][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.159721][ T411] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.160028][ T411] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.160334][ T411] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.160664][ T411] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.160975][ T411] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.161275][ T411] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.161678][ T411] ___sys_sendmsg (net/socket.c:2670) 
[ 35.161979][ T411] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.162280][ T411] ? __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) 
[ 35.162666][ T411] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.162972][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.163276][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.163594][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.163911][ T411] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.164214][ T411] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.164543][ T411] __sys_sendmsg (net/socket.c:2700) 
[ 35.164846][ T411] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.165222][ T411] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.165547][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.165852][ T411] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.166160][ T411] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.166550][  T411] RIP: 0033:0x7f09580a51e7
[ 35.166868][ T411] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.167961][  T411] RSP: 002b:00007ffd750d9788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.168427][  T411] RAX: ffffffffffffffda RBX: 00007ffd750d9eb0 RCX: 00007f09580a51e7
[   35.168899][  T411] RDX: 0000000000000000 RSI: 00007ffd750d97f0 RDI: 0000000000000005
[   35.169355][  T411] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.169816][  T411] R10: 00007f0957fa2ee8 R11: 0000000000000246 R12: 0000000000000003
[   35.170275][  T411] R13: 00000000686e4af7 R14: 0000000000499600 R15: 0000000000000000
| [   37.360971][  T413] ------------[ cut here ]------------
| [ 37.361273][ T413] WARNING: CPU: 0 PID: 413 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.361899][  T413] Modules linked in: bridge stp llc 8021q vrf veth
| [   37.362993][  T413] Tainted: [W]=WARN
[   37.363228][  T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.363613][ T413] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.363926][ T413] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.365018][  T413] RSP: 0018:ffffc90000b26ef0 EFLAGS: 00010246
[   37.365401][  T413] RAX: 0000000000000000 RBX: ffff888010252000 RCX: 0000000000000001
[   37.365889][  T413] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   37.366342][  T413] RBP: ffffc90000b26fe0 R08: 0000000000000000 R09: 0000000000000000
[   37.366800][  T413] R10: ffffc90000b27010 R11: ffffffff90ea8918 R12: 1ffff92000164de2
[   37.367261][  T413] R13: 00000000000005dc R14: ffffc90000b27010 R15: ffff888010252f08
[   37.367722][  T413] FS:  00007f7ba3804800(0000) GS:ffff88809d2b7000(0000) knlGS:0000000000000000
[   37.368263][  T413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.368649][  T413] CR2: 00000000004e6898 CR3: 00000000376d2002 CR4: 0000000000772ef0
[   37.369111][  T413] PKRU: 55555554
[   37.369338][  T413] Call Trace:
[   37.369584][  T413]  <TASK>
[ 37.369746][ T413] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.370049][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.370365][ T413] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 37.370680][ T413] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 37.371060][ T413] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 37.371372][ T413] netif_set_mtu (net/core/dev.c:9652) 
[ 37.371685][ T413] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.372001][ T413] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 37.372424][ T413] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.372666][ T413] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.373084][ T413] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.373434][ T413] do_set_master (net/core/rtnetlink.c:2948) 
[ 37.373766][ T413] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.374081][ T413] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.374474][ T413] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.374778][ T413] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.375088][ T413] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.375401][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.375714][ T413] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.376026][ T413] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.376405][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.376722][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.377023][ T413] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.377328][ T413] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.377651][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.377965][ T413] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.378272][ T413] ? __create_object (mm/kmemleak.c:771) 
[ 37.378589][ T413] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.378894][ T413] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.379196][ T413] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.379578][ T413] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.379887][ T413] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.380194][ T413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.380505][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.380819][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.381121][ T413] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.381422][ T413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.381744][ T413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.382049][ T413] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.382355][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.382670][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.382980][ T413] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.383291][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.383602][ T413] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.383917][ T413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.384219][ T413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.384530][ T413] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.384835][ T413] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.385141][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.385448][ T413] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.385780][ T413] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.386084][ T413] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.386393][ T413] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.386708][ T413] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.387012][ T413] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.387397][ T413] ___sys_sendmsg (net/socket.c:2670) 
[ 37.387713][ T413] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.388040][ T413] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.388417][ T413] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.388732][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.389037][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.389343][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.389667][ T413] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.389981][ T413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.390290][ T413] __sys_sendmsg (net/socket.c:2700) 
[ 37.390600][ T413] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.390975][ T413] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.391287][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.391598][ T413] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.391901][ T413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.392282][  T413] RIP: 0033:0x7f7ba39d11e7
[ 37.392605][ T413] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.393698][  T413] RSP: 002b:00007ffcff427c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.394164][  T413] RAX: ffffffffffffffda RBX: 00007ffcff428390 RCX: 00007f7ba39d11e7
[   37.394631][  T413] RDX: 0000000000000000 RSI: 00007ffcff427cd0 RDI: 0000000000000005
[   37.395085][  T413] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.395543][  T413] R10: 00000000199db910 R11: 0000000000000246 R12: 0000000000000004
[   37.396000][  T413] R13: 00000000686e4afa R14: 0000000000499600 R15: 0000000000000000
| [   37.510605][  T414] ------------[ cut here ]------------
| [ 37.510917][ T414] WARNING: CPU: 3 PID: 414 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.511532][  T414] Modules linked in: bridge stp llc 8021q vrf veth
| [   37.513397][  T414] Tainted: [W]=WARN
[   37.513652][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.514031][ T414] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.514346][ T414] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.515439][  T414] RSP: 0018:ffffc90000b46ef0 EFLAGS: 00010246
[   37.515851][  T414] RAX: 0000000000000000 RBX: ffff88800befa000 RCX: 0000000000000001
[   37.516310][  T414] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   37.516775][  T414] RBP: ffffc90000b46fe0 R08: 0000000000000000 R09: 0000000000000000
[   37.517230][  T414] R10: ffffc90000b47010 R11: ffffffff90ea8918 R12: 1ffff92000168de2
[   37.517699][  T414] R13: 00000000000005dc R14: ffffc90000b47010 R15: ffff88800befaf08
[   37.518165][  T414] FS:  00007f75fac67800(0000) GS:ffff88809d437000(0000) knlGS:0000000000000000
[   37.518704][  T414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.519088][  T414] CR2: 00000000004e6890 CR3: 00000000056c6002 CR4: 0000000000772ef0
[   37.519574][  T414] PKRU: 55555554
[   37.519815][  T414] Call Trace:
[   37.520044][  T414]  <TASK>
[ 37.520205][ T414] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.520517][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.520830][ T414] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 37.521137][ T414] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 37.521523][ T414] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 37.521830][ T414] netif_set_mtu (net/core/dev.c:9652) 
[ 37.522141][ T414] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.522468][ T414] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 37.522900][ T414] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.523131][ T414] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.523568][ T414] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.523920][ T414] do_set_master (net/core/rtnetlink.c:2948) 
[ 37.524232][ T414] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.524548][ T414] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.524933][ T414] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.525238][ T414] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.525547][ T414] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.525855][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.526163][ T414] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.526485][ T414] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.526863][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.527170][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.527496][ T414] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.527816][ T414] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.528120][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.528423][ T414] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.528732][ T414] ? __create_object (mm/kmemleak.c:771) 
[ 37.529048][ T414] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.529353][ T414] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.529664][ T414] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.530048][ T414] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.530358][ T414] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.530675][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.530979][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.531297][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.531618][ T414] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.531924][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.532228][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.532539][ T414] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.532846][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.533154][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.533475][ T414] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.533787][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.534092][ T414] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.534407][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.534713][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.535022][ T414] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.535328][ T414] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.535646][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.535970][ T414] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.536278][ T414] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.536589][ T414] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.536899][ T414] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.537207][ T414] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.537518][ T414] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.537919][ T414] ___sys_sendmsg (net/socket.c:2670) 
[ 37.538225][ T414] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.538554][ T414] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.538936][ T414] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.539241][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.539568][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.539881][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.540188][ T414] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.540506][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.540817][ T414] __sys_sendmsg (net/socket.c:2700) 
[ 37.541117][ T414] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.541503][ T414] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.541819][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.542123][ T414] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.542427][ T414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.542821][  T414] RIP: 0033:0x7f75fae341e7
[ 37.543168][ T414] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.544267][  T414] RSP: 002b:00007ffe2afefb88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.544737][  T414] RAX: ffffffffffffffda RBX: 00007ffe2aff02b0 RCX: 00007f75fae341e7
[   37.545199][  T414] RDX: 0000000000000000 RSI: 00007ffe2afefbf0 RDI: 0000000000000005
[   37.545660][  T414] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.546114][  T414] R10: 000000003c0c1910 R11: 0000000000000246 R12: 0000000000000004
[   37.546575][  T414] R13: 00000000686e4afa R14: 0000000000499600 R15: 0000000000000000
| [   44.230837][  T466] ------------[ cut here ]------------
| [ 44.231217][ T466] WARNING: CPU: 2 PID: 466 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) 
| [   44.232435][  T466] Modules linked in: bridge stp llc 8021q vrf veth
| [   44.233530][  T466] Tainted: [W]=WARN
[   44.233772][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.234166][ T466] 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) 
[ 44.234503][ T466] 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
[   44.235623][  T466] RSP: 0018:ffffc90000d56f70 EFLAGS: 00010246
[   44.236029][  T466] RAX: 0000000000000000 RBX: ffff888010252000 RCX: 0000000000000001
[   44.236517][  T466] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   44.236992][  T466] RBP: ffffc90000d57058 R08: 0000000000000000 R09: 0000000000000000
[   44.237481][  T466] R10: ffffc90000d57088 R11: ffffffff90579160 R12: 1ffff920001aadf2
[   44.237963][  T466] R13: 00000000000005dc R14: ffffc90000d57088 R15: ffff888010252f08
[   44.238433][  T466] FS:  00007f5c232fb800(0000) GS:ffff88809d3b7000(0000) knlGS:0000000000000000
[   44.238999][  T466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.239398][  T466] CR2: 00000000004e73a8 CR3: 0000000009cad004 CR4: 0000000000772ef0
[   44.239878][  T466] PKRU: 55555554
[   44.240118][  T466] Call Trace:
[   44.240365][  T466]  <TASK>
[ 44.240555][ T466] ? __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) 
[ 44.240953][ T466] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 44.241320][ T466] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 44.241680][ T466] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.242008][ T466] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.242331][ T466] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.242660][ T466] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.242976][ T466] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.243289][ T466] ? ___sys_sendmsg (net/socket.c:2670) 
[ 44.243616][ T466] ? __sys_sendmsg (net/socket.c:2700) 
[ 44.243930][ T466] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.244246][ T466] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 44.244649][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.244977][ T466] netif_set_mtu (net/core/dev.c:9652) 
[ 44.245294][ T466] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 44.245640][ T466] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 44.245884][ T466] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 44.246324][ T466] br_del_if (net/bridge/br_if.c:743) bridge 
[ 44.246693][ T466] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 44.247017][ T466] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 44.247337][ T466] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.247670][ T466] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.248086][ T466] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.248404][ T466] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.248729][ T466] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.249050][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.249374][ T466] ? __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) 
[ 44.249705][ T466] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.250094][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.250415][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.250746][ T466] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.251072][ T466] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.251389][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.251722][ T466] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.252044][ T466] ? __create_object (mm/kmemleak.c:771) 
[ 44.252362][ T466] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.252691][ T466] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.253004][ T466] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.253395][ T466] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.253730][ T466] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.254051][ T466] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.254370][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.254706][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.255023][ T466] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.255349][ T466] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.255681][ T466] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.255996][ T466] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.256311][ T466] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.256643][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.256970][ T466] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.257289][ T466] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.257617][ T466] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.257960][ T466] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.258274][ T466] ? 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) 
[ 44.258608][ T466] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.258927][ T466] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.259247][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.259582][ T466] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.259904][ T466] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.260220][ T466] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.260555][ T466] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.260874][ T466] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.261188][ T466] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.261610][ T466] ___sys_sendmsg (net/socket.c:2670) 
[ 44.261930][ T466] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.262243][ T466] ? __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) 
[ 44.262646][ T466] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.262965][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.263299][ T466] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.263635][ T466] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.263957][ T466] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.264272][ T466] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.264609][ T466] __sys_sendmsg (net/socket.c:2700) 
[ 44.264923][ T466] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.265311][ T466] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.265654][ T466] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.265971][ T466] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.266289][ T466] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.266696][  T466] RIP: 0033:0x7f5c234c81e7
[ 44.267021][ T466] 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)
[   44.268141][  T466] RSP: 002b:00007ffddd99be68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.268628][  T466] RAX: ffffffffffffffda RBX: 00007ffddd99c590 RCX: 00007f5c234c81e7
[   44.269093][  T466] RDX: 0000000000000000 RSI: 00007ffddd99bed0 RDI: 0000000000000005
[   44.269575][  T466] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   44.270055][  T466] R10: 00007f5c233c5ee8 R11: 0000000000000246 R12: 0000000000000003
[   44.270541][  T466] R13: 00000000686e4b00 R14: 0000000000499600 R15: 0000000000000000
| [   44.945249][  T473] ------------[ cut here ]------------
| [ 44.945620][ T473] WARNING: CPU: 2 PID: 473 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) 
| [   44.946261][  T473] Modules linked in: bridge stp llc 8021q vrf veth
| [   44.947331][  T473] Tainted: [W]=WARN
[   44.948622][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.949047][ T473] 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) 
[ 44.949379][ T473] 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
[   44.950522][  T473] RSP: 0018:ffffc90000da6f70 EFLAGS: 00010246
[   44.950928][  T473] RAX: 0000000000000000 RBX: ffff88800befa000 RCX: 0000000000000001
[   44.951403][  T473] RDX: 0000000000000000 RSI: ffffffff9009b941 RDI: ffffffff8f8555e0
[   44.951897][  T473] RBP: ffffc90000da7058 R08: 0000000000000000 R09: 0000000000000000
[   44.952379][  T473] R10: ffffc90000da7088 R11: ffffffff90579160 R12: 1ffff920001b4df2
[   44.952867][  T473] R13: 00000000000005dc R14: ffffc90000da7088 R15: ffff88800befaf08
[   44.953343][  T473] FS:  00007f51d3130800(0000) GS:ffff88809d3b7000(0000) knlGS:0000000000000000
[   44.953922][  T473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.954324][  T473] CR2: 00000000004e7398 CR3: 000000000ca50005 CR4: 0000000000772ef0
[   44.954813][  T473] PKRU: 55555554
[   44.955056][  T473] Call Trace:
[   44.955299][  T473]  <TASK>
[ 44.955478][ T473] ? __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) 
[ 44.955895][ T473] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 44.956258][ T473] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 44.956599][ T473] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.956926][ T473] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.957246][ T473] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.957579][ T473] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.957920][ T473] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.958242][ T473] ? ___sys_sendmsg (net/socket.c:2670) 
[ 44.958582][ T473] ? __sys_sendmsg (net/socket.c:2700) 
[ 44.958894][ T473] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.959210][ T473] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 44.959613][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.959959][ T473] netif_set_mtu (net/core/dev.c:9652) 
[ 44.960285][ T473] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 44.960627][ T473] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 44.960883][ T473] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 44.961327][ T473] br_del_if (net/bridge/br_if.c:743) bridge 
[ 44.961713][ T473] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 44.962033][ T473] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 44.962359][ T473] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.962703][ T473] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.963107][ T473] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.963433][ T473] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.963768][ T473] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.964097][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.964418][ T473] ? __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) 
[ 44.964758][ T473] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.965154][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.965484][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.965808][ T473] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.966128][ T473] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.966444][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.966771][ T473] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.967086][ T473] ? __create_object (mm/kmemleak.c:771) 
[ 44.967400][ T473] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.967730][ T473] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.968060][ T473] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.968462][ T473] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.968794][ T473] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.969115][ T473] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.969428][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.969766][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.970084][ T473] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.970397][ T473] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.970722][ T473] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.971044][ T473] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.971359][ T473] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.971688][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.972008][ T473] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.972325][ T473] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.972649][ T473] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.972977][ T473] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.973299][ T473] ? 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) 
[ 44.973626][ T473] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.973945][ T473] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.974260][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.974588][ T473] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.974907][ T473] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.975223][ T473] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.975561][ T473] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.975881][ T473] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.976192][ T473] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.976609][ T473] ___sys_sendmsg (net/socket.c:2670) 
[ 44.976921][ T473] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.977236][ T473] ? __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) 
[ 44.977641][ T473] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.977994][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.978314][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.978644][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.978962][ T473] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.979275][ T473] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.979614][ T473] __sys_sendmsg (net/socket.c:2700) 
[ 44.979927][ T473] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.980315][ T473] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.980660][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.980981][ T473] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.981296][ T473] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.981693][  T473] RIP: 0033:0x7f51d32fd1e7
[ 44.982019][ T473] 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)
[   44.983120][  T473] RSP: 002b:00007ffc63fae2b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.983605][  T473] RAX: ffffffffffffffda RBX: 00007ffc63fae9e0 RCX: 00007f51d32fd1e7
[   44.984072][  T473] RDX: 0000000000000000 RSI: 00007ffc63fae320 RDI: 0000000000000005
[   44.984549][  T473] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   44.985021][  T473] R10: 00007f51d31faee8 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