======================================
| [   20.116303][  T316] veth1: entered promiscuous mode
| [   20.119959][  T316] ------------[ cut here ]------------
| [ 20.120579][ T316] WARNING: CPU: 3 PID: 316 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.122380][  T316] Modules linked in: vrf bridge stp llc veth
[   20.123434][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.123856][ T316] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.124187][ T316] 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
[   20.125307][  T316] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   20.125735][  T316] RAX: 0000000000000000 RBX: ffff88800591a000 RCX: 0000000000000001
[   20.126335][  T316] RDX: 0000000000000000 RSI: ffffffffa0e9b941 RDI: ffffffffa06555e0
[   20.126985][  T316] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.127460][  T316] R10: ffffc900005e7010 R11: ffffffffa1ca8918 R12: 1ffff920000bcde2
[   20.127951][  T316] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff88800591af08
[   20.128421][  T316] FS:  00007f11bed87800(0000) GS:ffff888093437000(0000) knlGS:0000000000000000
[   20.128976][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.129373][  T316] CR2: 00000000004e5aa8 CR3: 000000000934e005 CR4: 0000000000772ef0
[   20.129856][  T316] PKRU: 55555554
[   20.130091][  T316] Call Trace:
[   20.130325][  T316]  <TASK>
[ 20.130500][ T316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.130829][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.131147][ T316] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.131460][ T316] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.131857][ T316] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.132165][ T316] netif_set_mtu (net/core/dev.c:9652) 
[ 20.132491][ T316] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.132820][ T316] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.133259][ T316] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.133502][ T316] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.133935][ T316] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.134288][ T316] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.134613][ T316] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.135070][ T316] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.135796][ T316] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.136297][ T316] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.136615][ T316] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.136938][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.137249][ T316] ? __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) 
[ 20.137570][ T316] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.137951][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.138255][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.138580][ T316] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.138886][ T316] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.139193][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.139507][ T316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.139811][ T316] ? __create_object (mm/kmemleak.c:771) 
[ 20.140115][ T316] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.140430][ T316] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.140739][ T316] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.141118][ T316] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.141439][ T316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.141752][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.142077][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.142402][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.142712][ T316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.143021][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.143326][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.143638][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.143946][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.144256][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.144572][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.144875][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.145179][ T316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.145522][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.145825][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.146138][ T316] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.146452][ T316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.146761][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.147073][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.147387][ T316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.147698][ T316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.148014][ T316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.148322][ T316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.148635][ T316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.149026][ T316] ___sys_sendmsg (net/socket.c:2670) 
[ 20.149330][ T316] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.149641][ T316] ? __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) 
[ 20.150026][ T316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.150333][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.150660][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.150982][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.151298][ T316] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.151613][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.151924][ T316] __sys_sendmsg (net/socket.c:2700) 
[ 20.152231][ T316] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.152617][ T316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.153206][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.153520][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.153826][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.154202][  T316] RIP: 0033:0x7f11bef541e7
[ 20.154528][ T316] 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)
[   20.155901][  T316] RSP: 002b:00007fff07d3c828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.156373][  T316] RAX: ffffffffffffffda RBX: 00007fff07d3cf50 RCX: 00007f11bef541e7
[   20.156839][  T316] RDX: 0000000000000000 RSI: 00007fff07d3c890 RDI: 0000000000000005
[   20.157298][  T316] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.157767][  T316] R10: 0000000036f7e910 R11: 0000000000000246 R12: 0000000000000004
[   20.158225][  T316] R13: 00000000686e46be R14: 0000000000499600 R15: 0000000000000000
| [   20.304879][  T318] ------------[ cut here ]------------
| [ 20.305200][ T318] WARNING: CPU: 0 PID: 318 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.305823][  T318] Modules linked in: vrf bridge stp llc veth
| [   20.306854][  T318] Tainted: [W]=WARN
[   20.307094][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.307498][ T318] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.307813][ T318] 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
[   20.308900][  T318] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   20.309284][  T318] RAX: 0000000000000000 RBX: ffff88800591a000 RCX: 0000000000000001
[   20.309750][  T318] RDX: 0000000000000000 RSI: ffffffffa0e9b941 RDI: ffffffffa06555e0
[   20.310203][  T318] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.310662][  T318] R10: ffffc900005e7010 R11: ffffffffa1ca8918 R12: 1ffff920000bcde2
[   20.311117][  T318] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff88800591af08
[   20.311581][  T318] FS:  00007f688bad5800(0000) GS:ffff8880932b7000(0000) knlGS:0000000000000000
[   20.312111][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.312499][  T318] CR2: 00000000004e5ab8 CR3: 000000000bb62004 CR4: 0000000000772ef0
[   20.312954][  T318] PKRU: 55555554
[   20.313181][  T318] Call Trace:
[   20.313421][  T318]  <TASK>
[ 20.313579][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.313884][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.314192][ T318] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.314504][ T318] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.314884][ T318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.315190][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 20.315519][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.315837][ T318] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.316270][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.316511][ T318] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.316928][ T318] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.317281][ T318] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.317598][ T318] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.317911][ T318] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.318297][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.318610][ T318] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.318911][ T318] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.319217][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.319533][ T318] ? __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) 
[ 20.319839][ T318] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.320220][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.320535][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.320838][ T318] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.321140][ T318] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.321454][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.321758][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.322057][ T318] ? __create_object (mm/kmemleak.c:771) 
[ 20.322373][ T318] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.322685][ T318] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.322986][ T318] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.323371][ T318] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.323682][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.323988][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.324289][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.324607][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.324911][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.325215][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.325543][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.325848][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.326153][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.326470][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.326780][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.327084][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.327404][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.327721][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.328024][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.328328][ T318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.328645][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.328950][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.329259][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.329578][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.329884][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.330193][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.330509][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.330814][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.331223][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 20.331540][ T318] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.331850][ T318] ? __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) 
[ 20.332228][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.332547][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.332854][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.333165][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.333482][ T318] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.333784][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.334100][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 20.334412][ T318] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.334789][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.335102][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.335421][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.335728][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.336102][  T318] RIP: 0033:0x7f688bca21e7
[ 20.336426][ T318] 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)
[   20.337555][  T318] RSP: 002b:00007fff172c2ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.338039][  T318] RAX: ffffffffffffffda RBX: 00007fff172c3610 RCX: 00007f688bca21e7
[   20.338535][  T318] RDX: 0000000000000000 RSI: 00007fff172c2f50 RDI: 0000000000000005
[   20.339016][  T318] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.339505][  T318] R10: 000000003d459910 R11: 0000000000000246 R12: 0000000000000004
[   20.339984][  T318] R13: 00000000686e46be R14: 0000000000499600 R15: 0000000000000000
| [   40.380172][  T559] ------------[ cut here ]------------
| [ 40.380497][ T559] WARNING: CPU: 1 PID: 559 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) 
| [   40.381107][  T559] Modules linked in: vrf bridge stp llc veth
| [   40.382142][  T559] Tainted: [W]=WARN
[   40.382383][  T559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.382763][ T559] 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) 
[ 40.383088][ T559] 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
[   40.384633][  T559] RSP: 0018:ffffc90000e76ef0 EFLAGS: 00010246
[   40.385039][  T559] RAX: 0000000000000000 RBX: ffff88800591a000 RCX: 0000000000000001
[   40.385521][  T559] RDX: 0000000000000000 RSI: ffffffffa0e9b941 RDI: ffffffffa06555e0
[   40.385983][  T559] RBP: ffffc90000e76fe0 R08: 0000000000000000 R09: 0000000000000000
[   40.386449][  T559] R10: ffffc90000e77010 R11: ffffffffa1ca8918 R12: 1ffff920001cede2
[   40.386911][  T559] R13: 00000000000005dc R14: ffffc90000e77010 R15: ffff88800591af08
[   40.387375][  T559] FS:  00007f2fae1ca800(0000) GS:ffff888093337000(0000) knlGS:0000000000000000
[   40.387912][  T559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.388299][  T559] CR2: 00000000004e5ac8 CR3: 000000000507c005 CR4: 0000000000772ef0
[   40.388766][  T559] PKRU: 55555554
[   40.388996][  T559] Call Trace:
[   40.389223][  T559]  <TASK>
[ 40.389393][ T559] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.389705][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.390026][ T559] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 40.390334][ T559] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 40.390736][ T559] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 40.391044][ T559] netif_set_mtu (net/core/dev.c:9652) 
[ 40.391368][ T559] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 40.391687][ T559] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 40.392119][ T559] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 40.392376][ T559] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 40.392796][ T559] br_add_if (net/bridge/br_if.c:697) bridge 
[ 40.393150][ T559] do_set_master (net/core/rtnetlink.c:2948) 
[ 40.393473][ T559] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.393783][ T559] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.394165][ T559] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.394479][ T559] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.394790][ T559] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.395095][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.395421][ T559] ? __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) 
[ 40.395727][ T559] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.396106][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.396420][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.396726][ T559] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.397038][ T559] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.397373][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.397679][ T559] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.397988][ T559] ? __create_object (mm/kmemleak.c:771) 
[ 40.398297][ T559] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.398613][ T559] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.398919][ T559] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.399304][ T559] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.399629][ T559] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.399942][ T559] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.400245][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.400565][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.400870][ T559] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.401171][ T559] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.401486][ T559] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.401800][ T559] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.402106][ T559] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.402427][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.402738][ T559] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.403046][ T559] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.403365][ T559] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.403684][ T559] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.403995][ T559] ? 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) 
[ 40.404302][ T559] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.404629][ T559] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.404935][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.405247][ T559] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.405573][ T559] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.405877][ T559] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.406192][ T559] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.406525][ T559] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.406830][ T559] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.407220][ T559] ___sys_sendmsg (net/socket.c:2670) 
[ 40.407530][ T559] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.407832][ T559] ? __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) 
[ 40.408212][ T559] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.408533][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.408844][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.409154][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.409490][ T559] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.409795][ T559] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.410106][ T559] __sys_sendmsg (net/socket.c:2700) 
[ 40.410423][ T559] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.410801][ T559] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.411125][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.411446][ T559] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.411755][ T559] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.412136][  T559] RIP: 0033:0x7f2fae3971e7
[ 40.412466][ T559] 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)
[   40.413570][  T559] RSP: 002b:00007ffe43d55218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.414042][  T559] RAX: ffffffffffffffda RBX: 00007ffe43d55940 RCX: 00007f2fae3971e7
[   40.414514][  T559] RDX: 0000000000000000 RSI: 00007ffe43d55280 RDI: 0000000000000005
[   40.414973][  T559] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   40.415465][  T559] R10: 0000000004924910 R11: 0000000000000246 R12: 0000000000000003
[   40.415924][  T559] R13: 00000000686e46d3 R14: 0000000000499600 R15: 0000000000000000
| [   40.680206][  T564] ------------[ cut here ]------------
| [ 40.680535][ T564] WARNING: CPU: 3 PID: 564 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) 
| [   40.681139][  T564] Modules linked in: vrf bridge stp llc veth
| [   40.682166][  T564] Tainted: [W]=WARN
[   40.682405][  T564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.682806][ T564] 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) 
[ 40.683118][ T564] 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
[   40.684935][  T564] RSP: 0018:ffffc90000e96f70 EFLAGS: 00010246
[   40.685322][  T564] RAX: 0000000000000000 RBX: ffff88800591a000 RCX: 0000000000000001
[   40.685792][  T564] RDX: 0000000000000000 RSI: ffffffffa0e9b941 RDI: ffffffffa06555e0
[   40.686242][  T564] RBP: ffffc90000e97058 R08: 0000000000000000 R09: 0000000000000000
[   40.686709][  T564] R10: ffffc90000e97088 R11: ffffffff9d200130 R12: 1ffff920001d2df2
[   40.687173][  T564] R13: 00000000000005dc R14: ffffc90000e97088 R15: ffff88800591af08
[   40.687635][  T564] FS:  00007f40d1d7d800(0000) GS:ffff888093437000(0000) knlGS:0000000000000000
[   40.688166][  T564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.688556][  T564] CR2: 00000000004e5ac8 CR3: 0000000004b9b006 CR4: 0000000000772ef0
[   40.689016][  T564] PKRU: 55555554
[   40.689245][  T564] Call Trace:
[   40.689479][  T564]  <TASK>
[ 40.689633][ T564] ? __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) 
[ 40.690011][ T564] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 40.690370][ T564] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 40.690675][ T564] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.690978][ T564] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.691283][ T564] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.691599][ T564] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.691900][ T564] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.692200][ T564] ? ___sys_sendmsg (net/socket.c:2670) 
[ 40.692512][ T564] ? __sys_sendmsg (net/socket.c:2700) 
[ 40.692812][ T564] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.693115][ T564] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 40.693503][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.693816][ T564] netif_set_mtu (net/core/dev.c:9652) 
[ 40.694120][ T564] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 40.694447][ T564] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 40.694680][ T564] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 40.695101][ T564] br_del_if (net/bridge/br_if.c:743) bridge 
[ 40.695458][ T564] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 40.695762][ T564] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 40.696072][ T564] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.696385][ T564] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.696770][ T564] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.697070][ T564] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.697378][ T564] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.697684][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.697990][ T564] ? __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) 
[ 40.698298][ T564] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.698682][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.698988][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.699289][ T564] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.699605][ T564] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.699906][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.700208][ T564] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.700520][ T564] ? __create_object (mm/kmemleak.c:771) 
[ 40.700825][ T564] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.701129][ T564] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.701438][ T564] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.701820][ T564] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.702131][ T564] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.702466][ T564] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.702769][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.703088][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.703404][ T564] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.703703][ T564] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.704007][ T564] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.704308][ T564] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.704619][ T564] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.704924][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.705232][ T564] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.705554][ T564] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.705860][ T564] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.706174][ T564] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.706484][ T564] ? 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) 
[ 40.706788][ T564] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.707096][ T564] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.707413][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.707720][ T564] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.708024][ T564] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.708329][ T564] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.708650][ T564] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.708963][ T564] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.709263][ T564] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.709660][ T564] ___sys_sendmsg (net/socket.c:2670) 
[ 40.709968][ T564] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.710270][ T564] ? __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) 
[ 40.710659][ T564] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.710966][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.711272][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.711592][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.711895][ T564] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.712203][ T564] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.712521][ T564] __sys_sendmsg (net/socket.c:2700) 
[ 40.712822][ T564] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.713196][ T564] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.713518][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.713825][ T564] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.714127][ T564] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.714516][  T564] RIP: 0033:0x7f40d1f4a1e7
[ 40.714832][ T564] 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)
[   40.715925][  T564] RSP: 002b:00007ffef5991cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.716389][  T564] RAX: ffffffffffffffda RBX: 00007ffef5992400 RCX: 00007f40d1f4a1e7
[   40.716852][  T564] RDX: 0000000000000000 RSI: 00007ffef5991d40 RDI: 0000000000000005
[   40.717306][  T564] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   40.717770][  T564] R10: 00007f40d1e47ee8 R11: 0000000000000246 R12: 0000000000000002
[   40.718227][  T564] R13: 00000000686e46d3 R14: 0000000000499600 R15: 0000000000000000
| [   41.870637][  T579] ------------[ cut here ]------------
| [ 41.870954][ T579] WARNING: CPU: 3 PID: 579 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.871573][  T579] Modules linked in: vrf bridge stp llc veth
| [   41.873484][  T579] Tainted: [W]=WARN
[   41.873717][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.874099][ T579] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.874423][ T579] 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
[   41.875546][  T579] RSP: 0018:ffffc90000ee6ef0 EFLAGS: 00010246
[   41.875934][  T579] RAX: 0000000000000000 RBX: ffff88800591a000 RCX: 0000000000000001
[   41.876396][  T579] RDX: 0000000000000000 RSI: ffffffffa0e9b941 RDI: ffffffffa06555e0
[   41.876861][  T579] RBP: ffffc90000ee6fe0 R08: 0000000000000000 R09: 0000000000000000
[   41.877316][  T579] R10: ffffc90000ee7010 R11: ffffffffa1ca8918 R12: 1ffff920001dcde2
[   41.877784][  T579] R13: 00000000000005dc R14: ffffc90000ee7010 R15: ffff88800591af08
[   41.878241][  T579] FS:  00007fd00dfe2800(0000) GS:ffff888093437000(0000) knlGS:0000000000000000
[   41.878782][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.879172][  T579] CR2: 00000000004e5ac8 CR3: 000000000c36c003 CR4: 0000000000772ef0
[   41.879647][  T579] PKRU: 55555554
[   41.879876][  T579] Call Trace:
[   41.880102][  T579]  <TASK>
[ 41.880260][ T579] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.880573][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.880884][ T579] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 41.881186][ T579] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 41.881573][ T579] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 41.881890][ T579] netif_set_mtu (net/core/dev.c:9652) 
[ 41.882193][ T579] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 41.882516][ T579] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 41.882948][ T579] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 41.883176][ T579] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 41.883625][ T579] br_add_if (net/bridge/br_if.c:697) bridge 
[ 41.883985][ T579] do_set_master (net/core/rtnetlink.c:2948) 
[ 41.884293][ T579] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 41.884613][ T579] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.884999][ T579] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.885300][ T579] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.885621][ T579] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.885930][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.886243][ T579] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.886553][ T579] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.886930][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.887234][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.887561][ T579] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.887866][ T579] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.888170][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.888489][ T579] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.888791][ T579] ? __create_object (mm/kmemleak.c:771) 
[ 41.889098][ T579] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.889411][ T579] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.889713][ T579] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.890089][ T579] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.890407][ T579] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.890715][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.891022][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.891332][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.891655][ T579] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.891963][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.892269][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.892579][ T579] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.892882][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.893187][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.893505][ T579] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.893808][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.894109][ T579] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.894526][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.894831][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.895135][ T579] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.895471][ T579] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.895785][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.896090][ T579] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.896405][ T579] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.896708][ T579] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.897018][ T579] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.897324][ T579] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.897632][ T579] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.898025][ T579] ___sys_sendmsg (net/socket.c:2670) 
[ 41.898325][ T579] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.898634][ T579] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.899014][ T579] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.899318][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.899643][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.899956][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.900264][ T579] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.900575][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.900884][ T579] __sys_sendmsg (net/socket.c:2700) 
[ 41.901184][ T579] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.901568][ T579] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.901882][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.902185][ T579] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.902505][ T579] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.902880][  T579] RIP: 0033:0x7fd00e1af1e7
[ 41.903192][ T579] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.904294][  T579] RSP: 002b:00007fff89dc8118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.904774][  T579] RAX: ffffffffffffffda RBX: 00007fff89dc8840 RCX: 00007fd00e1af1e7
[   41.905232][  T579] RDX: 0000000000000000 RSI: 00007fff89dc8180 RDI: 0000000000000005
[   41.905701][  T579] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   41.906155][  T579] R10: 000000002ce28910 R11: 0000000000000246 R12: 0000000000000003
[   41.906624][  T579] R13: 00000000686e46d4 R14: 0000000000499600 R15: 0000000000000000
| [   42.153648][  T584] ------------[ cut here ]------------
| [ 42.153968][ T584] WARNING: CPU: 1 PID: 584 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) 
| [   42.154576][  T584] Modules linked in: vrf bridge stp llc veth
| [   42.155601][  T584] Tainted: [W]=WARN
[   42.155843][  T584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.156223][ T584] 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) 
[ 42.156546][ T584] 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
[   42.159189][  T584] RSP: 0018:ffffc90000f06f70 EFLAGS: 00010246
[   42.159601][  T584] RAX: 0000000000000000 RBX: ffff88800591a000 RCX: 0000000000000001
[   42.160057][  T584] RDX: 0000000000000000 RSI: ffffffffa0e9b941 RDI: ffffffffa06555e0
[   42.160519][  T584] RBP: ffffc90000f07058 R08: 0000000000000000 R09: 0000000000000000
[   42.160973][  T584] R10: ffffc90000f07088 R11: ffffffffa1379160 R12: 1ffff920001e0df2
[   42.161442][  T584] R13: 00000000000005dc R14: ffffc90000f07088 R15: ffff88800591af08
[   42.161898][  T584] FS:  00007f1df8393800(0000) GS:ffff888093337000(0000) knlGS:0000000000000000
[   42.162434][  T584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.162813][  T584] CR2: 00000000004e5ac8 CR3: 0000000009aa6003 CR4: 0000000000772ef0
[   42.163295][  T584] PKRU: 55555554
[   42.163551][  T584] Call Trace:
[   42.163781][  T584]  <TASK>
[ 42.163933][ T584] ? __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) 
[ 42.164319][ T584] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 42.164685][ T584] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 42.164989][ T584] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 42.165290][ T584] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.165615][ T584] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.165926][ T584] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.166230][ T584] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.166545][ T584] ? ___sys_sendmsg (net/socket.c:2670) 
[ 42.166852][ T584] ? __sys_sendmsg (net/socket.c:2700) 
[ 42.167157][ T584] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.167478][ T584] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 42.167860][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.168176][ T584] netif_set_mtu (net/core/dev.c:9652) 
[ 42.168502][ T584] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.168825][ T584] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.169055][ T584] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 42.169487][ T584] br_del_if (net/bridge/br_if.c:743) bridge 
[ 42.169829][ T584] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 42.170132][ T584] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 42.170449][ T584] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 42.170766][ T584] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.171152][ T584] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.171471][ T584] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.171778][ T584] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.172085][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.172403][ T584] ? __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) 
[ 42.172708][ T584] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.173092][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.173415][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.173720][ T584] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.174024][ T584] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.174326][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.174644][ T584] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.174951][ T584] ? __create_object (mm/kmemleak.c:771) 
[ 42.175299][ T584] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.175633][ T584] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.175941][ T584] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.176316][ T584] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.176639][ T584] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.176948][ T584] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.177250][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.177575][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.177889][ T584] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.178192][ T584] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.178519][ T584] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.178826][ T584] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.179133][ T584] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.179453][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.179765][ T584] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.180070][ T584] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.180396][ T584] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.180715][ T584] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.181020][ T584] ? 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) 
[ 42.181330][ T584] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.181651][ T584] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.181954][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.182263][ T584] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.182594][ T584] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.182898][ T584] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.183210][ T584] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.183529][ T584] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.183833][ T584] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.184221][ T584] ___sys_sendmsg (net/socket.c:2670) 
[ 42.184534][ T584] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.184848][ T584] ? __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) 
[ 42.185226][ T584] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.185572][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.185885][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.186196][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.186513][ T584] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.186821][ T584] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.187140][ T584] __sys_sendmsg (net/socket.c:2700) 
[ 42.187452][ T584] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.187829][ T584] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.188145][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.188458][ T584] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.188767][ T584] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.189148][  T584] RIP: 0033:0x7f1df85601e7
[ 42.189485][ T584] 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)
[   42.190584][  T584] RSP: 002b:00007ffedfb7dc88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.191070][  T584] RAX: ffffffffffffffda RBX: 00007ffedfb7e3b0 RCX: 00007f1df85601e7
[   42.191543][  T584] RDX: 0000000000000000 RSI: 00007ffedfb7dcf0 RDI: 0000000000000005
[   42.192001][  T584] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   42.192466][  T584] R10: 00007f1df845dee8 R11: 0000000000000246 R12: 0000000000000002
[   42.192918][  T584] R13: 00000000686e46d4 R14: 0000000000499600 R15: 0000000000000000
| [  102.923702][ T1324] ------------[ cut here ]------------
| [ 102.924016][ T1324] WARNING: CPU: 3 PID: 1324 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) 
| [  102.924672][ T1324] Modules linked in: vrf bridge stp llc veth
| [  102.926192][ T1324] Tainted: [W]=WARN
[  102.926440][ T1324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 102.926859][ T1324] 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) 
[ 102.927200][ T1324] 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
[  102.928371][ T1324] RSP: 0018:ffffc90002186ef0 EFLAGS: 00010246
[  102.928793][ T1324] RAX: 0000000000000000 RBX: ffff88800591a000 RCX: 0000000000000001
[  102.929274][ T1324] RDX: 0000000000000000 RSI: ffffffffa0e9b941 RDI: ffffffffa06555e0
[  102.929780][ T1324] RBP: ffffc90002186fe0 R08: 0000000000000000 R09: 0000000000000000
[  102.930270][ T1324] R10: ffffc90002187010 R11: ffffffffa1ca8918 R12: 1ffff92000430de2
[  102.930783][ T1324] R13: 00000000000005dc R14: ffffc90002187010 R15: ffff88800591af08
[  102.931271][ T1324] FS:  00007f8ae6ff0800(0000) GS:ffff888093437000(0000) knlGS:0000000000000000
[  102.931855][ T1324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.932273][ T1324] CR2: 00000000004e5ac8 CR3: 000000000e442005 CR4: 0000000000772ef0
[  102.932781][ T1324] PKRU: 55555554
[  102.933024][ T1324] Call Trace:
[  102.933268][ T1324]  <TASK>
[ 102.933445][ T1324] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 102.933790][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.934127][ T1324] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 102.934464][ T1324] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 102.934897][ T1324] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 102.935219][ T1324] netif_set_mtu (net/core/dev.c:9652) 
[ 102.935569][ T1324] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 102.935915][ T1324] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 102.936380][ T1324] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 102.936632][ T1324] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 102.937092][ T1324] br_add_if (net/bridge/br_if.c:697) bridge 
[ 102.937471][ T1324] do_set_master (net/core/rtnetlink.c:2948) 
[ 102.937813][ T1324] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 102.938139][ T1324] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 102.938561][ T1324] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 102.938895][ T1324] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 102.939215][ T1324] ? __kernel_text_address (kernel/extable.c:79) 
[ 102.939575][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.939909][ T1324] ? __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) 
[ 102.940232][ T1324] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 102.940649][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.940975][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.941294][ T1324] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 102.941626][ T1324] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 102.941967][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.942293][ T1324] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 102.942626][ T1324] ? __create_object (mm/kmemleak.c:771) 
[ 102.942957][ T1324] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 102.943278][ T1324] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 102.943611][ T1324] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 102.944024][ T1324] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 102.944363][ T1324] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 102.944710][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 102.945032][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.945370][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.945729][ T1324] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 102.946054][ T1324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 102.946386][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 102.946704][ T1324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 102.947025][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 102.947367][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.947699][ T1324] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 102.948028][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 102.948365][ T1324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 102.948695][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 102.949014][ T1324] ? 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) 
[ 102.949336][ T1324] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 102.949681][ T1324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 102.950000][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.950324][ T1324] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 102.950662][ T1324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 102.950985][ T1324] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 102.951311][ T1324] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 102.951646][ T1324] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 102.951971][ T1324] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 102.952388][ T1324] ___sys_sendmsg (net/socket.c:2670) 
[ 102.952709][ T1324] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 102.953028][ T1324] ? __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) 
[ 102.953437][ T1324] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 102.953760][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.954085][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.954429][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.954753][ T1324] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 102.955073][ T1324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 102.955425][ T1324] __sys_sendmsg (net/socket.c:2700) 
[ 102.955755][ T1324] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 102.956157][ T1324] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 102.956501][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.956829][ T1324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 102.957157][ T1324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  102.957565][ T1324] RIP: 0033:0x7f8ae71bd1e7
[ 102.957899][ T1324] 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)
[  102.959056][ T1324] RSP: 002b:00007ffd484ae4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  102.959562][ T1324] RAX: ffffffffffffffda RBX: 00007ffd484aec10 RCX: 00007f8ae71bd1e7
[  102.960044][ T1324] RDX: 0000000000000000 RSI: 00007ffd484ae550 RDI: 0000000000000005
[  102.960534][ T1324] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  102.961016][ T1324] R10: 0000000019ddd910 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