======================================
| [   21.818956][  T331] veth1: entered promiscuous mode
| [   21.823711][  T331] ------------[ cut here ]------------
| [ 21.824050][ T331] WARNING: CPU: 1 PID: 331 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) 
| [   21.824736][  T331] Modules linked in: bridge stp llc 8021q vrf veth
[   21.825866][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.826254][ T331] 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) 
[ 21.826575][ T331] 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
[   21.827740][  T331] RSP: 0018:ffffc90000676ef0 EFLAGS: 00010246
[   21.828359][  T331] RAX: 0000000000000000 RBX: ffff88800bd72000 RCX: 0000000000000001
[   21.829074][  T331] RDX: 0000000000000000 RSI: ffffffffb249b941 RDI: ffffffffb1c555e0
[   21.829542][  T331] RBP: ffffc90000676fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.830231][  T331] R10: ffffc90000677010 R11: ffffffffb32a8918 R12: 1ffff920000cede2
[   21.830699][  T331] R13: 00000000000005dc R14: ffffc90000677010 R15: ffff88800bd72f08
[   21.831355][  T331] FS:  00007f10dff40800(0000) GS:ffff888081d37000(0000) knlGS:0000000000000000
[   21.832069][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.832461][  T331] CR2: 00000000004e5aa8 CR3: 000000000c3dd006 CR4: 0000000000772ef0
[   21.833110][  T331] PKRU: 55555554
[   21.833354][  T331] Call Trace:
[   21.833587][  T331]  <TASK>
[ 21.833753][ T331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.834303][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.834620][ T331] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.835085][ T331] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.835476][ T331] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.835783][ T331] netif_set_mtu (net/core/dev.c:9652) 
[ 21.836276][ T331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.836598][ T331] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.837275][ T331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.837510][ T331] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.838065][ T331] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.838431][ T331] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.838743][ T331] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.839077][ T331] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.839466][ T331] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.839775][ T331] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.840091][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.840406][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.840727][ T331] ? __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) 
[ 21.841045][ T331] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.841726][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.842048][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.842387][ T331] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.842693][ T331] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.843062][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.843382][ T331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.843688][ T331] ? __create_object (mm/kmemleak.c:771) 
[ 21.844005][ T331] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.844316][ T331] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.844622][ T331] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.845012][ T331] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.845324][ T331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.845636][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.845962][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.846276][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.846582][ T331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.846909][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.847219][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.847526][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.847847][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.848168][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.848479][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.848785][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.849105][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.849425][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.849727][ T331] ? 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) 
[ 21.850048][ T331] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.850365][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.850672][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.851004][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.851315][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.851622][ T331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.851947][ T331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.852262][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.852566][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.852974][ T331] ___sys_sendmsg (net/socket.c:2670) 
[ 21.853289][ T331] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.853594][ T331] ? __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) 
[ 21.853992][ T331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.854303][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.854612][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.854942][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.855253][ T331] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.855580][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.855906][ T331] __sys_sendmsg (net/socket.c:2700) 
[ 21.856209][ T331] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.856588][ T331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.856919][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.857227][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.857539][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.857933][  T331] RIP: 0033:0x7f10e010d1e7
[ 21.858255][ T331] 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)
[   21.859367][  T331] RSP: 002b:00007fff02fb97d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.859851][  T331] RAX: ffffffffffffffda RBX: 00007fff02fb9f00 RCX: 00007f10e010d1e7
[   21.860315][  T331] RDX: 0000000000000000 RSI: 00007fff02fb9840 RDI: 0000000000000005
[   21.860779][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.861252][  T331] R10: 000000000b3bc910 R11: 0000000000000246 R12: 0000000000000004
[   21.861721][  T331] R13: 00000000686e37e2 R14: 0000000000499600 R15: 0000000000000000
| [   22.257443][  T334] ------------[ cut here ]------------
| [ 22.257762][ T334] WARNING: CPU: 0 PID: 334 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.258640][  T334] Modules linked in: bridge stp llc 8021q vrf veth
| [   22.259693][  T334] Tainted: [W]=WARN
[   22.259960][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.260344][ T334] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.260679][ T334] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.261781][  T334] RSP: 0018:ffffc90000706ef0 EFLAGS: 00010246
[   22.262178][  T334] RAX: 0000000000000000 RBX: ffff88800bd72000 RCX: 0000000000000001
[   22.262635][  T334] RDX: 0000000000000000 RSI: ffffffffb249b941 RDI: ffffffffb1c555e0
[   22.263116][  T334] RBP: ffffc90000706fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.263578][  T334] R10: ffffc90000707010 R11: ffffffffb32a8918 R12: 1ffff920000e0de2
[   22.264039][  T334] R13: 00000000000005dc R14: ffffc90000707010 R15: ffff88800bd72f08
[   22.264498][  T334] FS:  00007f869303e800(0000) GS:ffff888081cb7000(0000) knlGS:0000000000000000
[   22.265039][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.265430][  T334] CR2: 00000000004e5ab0 CR3: 000000000e43f005 CR4: 0000000000772ef0
[   22.265895][  T334] PKRU: 55555554
[   22.266128][  T334] Call Trace:
[   22.266360][  T334]  <TASK>
[ 22.266520][ T334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.266844][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.267157][ T334] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.267466][ T334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.267862][ T334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.268171][ T334] netif_set_mtu (net/core/dev.c:9652) 
[ 22.268477][ T334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.268794][ T334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.269233][ T334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.269468][ T334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.269901][ T334] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.270256][ T334] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.270569][ T334] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.270889][ T334] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.271275][ T334] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.271579][ T334] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.271895][ T334] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.272210][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.272520][ T334] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.272836][ T334] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.273233][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.273541][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.273855][ T334] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.274160][ T334] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.274476][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.274784][ T334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.275100][ T334] ? __create_object (mm/kmemleak.c:771) 
[ 22.275413][ T334] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.275719][ T334] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.276034][ T334] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.276411][ T334] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.276728][ T334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.277056][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.277363][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.277676][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.277990][ T334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.278295][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.278602][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.278918][ T334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.279229][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.279553][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.279874][ T334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.280182][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.280489][ T334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.280804][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.281114][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.281420][ T334] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.281734][ T334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.282045][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.282357][ T334] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.282668][ T334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.282994][ T334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.283310][ T334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.283620][ T334] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.283939][ T334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.284330][ T334] ___sys_sendmsg (net/socket.c:2670) 
[ 22.284633][ T334] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.284946][ T334] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.285326][ T334] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.285631][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.285956][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.286274][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.286576][ T334] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.286890][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.287202][ T334] __sys_sendmsg (net/socket.c:2700) 
[ 22.287503][ T334] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.287890][ T334] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.288209][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.288520][ T334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.288840][ T334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.289219][  T334] RIP: 0033:0x7f869320b1e7
[ 22.289533][ T334] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.290631][  T334] RSP: 002b:00007ffc73664638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.291111][  T334] RAX: ffffffffffffffda RBX: 00007ffc73664d60 RCX: 00007f869320b1e7
[   22.291573][  T334] RDX: 0000000000000000 RSI: 00007ffc736646a0 RDI: 0000000000000005
[   22.292041][  T334] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.292493][  T334] R10: 0000000034b85910 R11: 0000000000000246 R12: 0000000000000004
[   22.292965][  T334] R13: 00000000686e37e2 R14: 0000000000499600 R15: 0000000000000000
| [  110.845582][ T2119] ------------[ cut here ]------------
| [ 110.845914][ T2119] WARNING: CPU: 0 PID: 2119 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) 
| [  110.846548][ T2119] Modules linked in: bridge stp llc 8021q vrf veth
| [  110.847645][ T2119] Tainted: [W]=WARN
[  110.847914][ T2119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.848311][ T2119] 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) 
[ 110.848669][ T2119] 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
[  110.849854][ T2119] RSP: 0018:ffffc90003a06f70 EFLAGS: 00010246
[  110.850289][ T2119] RAX: 0000000000000000 RBX: ffff88800bd72000 RCX: 0000000000000001
[  110.850801][ T2119] RDX: 0000000000000000 RSI: ffffffffb249b941 RDI: ffffffffb1c555e0
[  110.851318][ T2119] RBP: ffffc90003a07058 R08: 0000000000000000 R09: 0000000000000000
[  110.851877][ T2119] R10: ffffc90003a07088 R11: ffffffffae800130 R12: 1ffff92000740df2
[  110.852375][ T2119] R13: 00000000000005dc R14: ffffc90003a07088 R15: ffff88800bd72f08
[  110.853072][ T2119] FS:  00007f13d059f800(0000) GS:ffff888081cb7000(0000) knlGS:0000000000000000
[  110.853684][ T2119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.854333][ T2119] CR2: 00000000004e5ab0 CR3: 00000000098a8004 CR4: 0000000000772ef0
[  110.855001][ T2119] PKRU: 55555554
[  110.855261][ T2119] Call Trace:
[  110.855516][ T2119]  <TASK>
[ 110.855693][ T2119] ? __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) 
[ 110.856119][ T2119] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 110.856509][ T2119] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 110.856856][ T2119] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 110.857196][ T2119] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.857532][ T2119] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.857869][ T2119] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.858187][ T2119] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.858521][ T2119] ? ___sys_sendmsg (net/socket.c:2670) 
[ 110.858896][ T2119] ? __sys_sendmsg (net/socket.c:2700) 
[ 110.859247][ T2119] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.859591][ T2119] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 110.860015][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.860364][ T2119] netif_set_mtu (net/core/dev.c:9652) 
[ 110.860701][ T2119] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.861074][ T2119] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.861321][ T2119] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.861793][ T2119] br_del_if (net/bridge/br_if.c:743) bridge 
[ 110.862185][ T2119] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 110.862531][ T2119] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 110.862876][ T2119] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 110.863230][ T2119] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 110.863666][ T2119] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 110.864009][ T2119] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 110.864350][ T2119] ? __kernel_text_address (kernel/extable.c:79) 
[ 110.864709][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.865070][ T2119] ? __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) 
[ 110.865408][ T2119] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 110.865838][ T2119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.866178][ T2119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.866496][ T2119] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 110.866827][ T2119] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 110.867180][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.867521][ T2119] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.867864][ T2119] ? __create_object (mm/kmemleak.c:771) 
[ 110.868214][ T2119] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 110.868553][ T2119] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 110.868898][ T2119] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 110.869321][ T2119] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 110.869655][ T2119] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.870005][ T2119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.870351][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.870687][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.871026][ T2119] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.871348][ T2119] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.871670][ T2119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.871999][ T2119] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.872321][ T2119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.872661][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.873001][ T2119] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.873344][ T2119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.873650][ T2119] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.873977][ T2119] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.874296][ T2119] ? 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) 
[ 110.874616][ T2119] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.874937][ T2119] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.875253][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.875561][ T2119] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.875907][ T2119] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.876227][ T2119] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.876539][ T2119] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.876866][ T2119] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.877193][ T2119] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.877597][ T2119] ___sys_sendmsg (net/socket.c:2670) 
[ 110.877926][ T2119] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 110.878260][ T2119] ? __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) 
[ 110.878645][ T2119] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.878977][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.879294][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.879609][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.879920][ T2119] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 110.880252][ T2119] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.880564][ T2119] __sys_sendmsg (net/socket.c:2700) 
[ 110.880875][ T2119] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 110.881265][ T2119] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.881581][ T2119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.881898][ T2119] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.882220][ T2119] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.882623][ T2119] RIP: 0033:0x7f13d076c1e7
[ 110.882970][ T2119] 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)
[  110.884105][ T2119] RSP: 002b:00007ffd486d2438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.884587][ T2119] RAX: ffffffffffffffda RBX: 00007ffd486d2b60 RCX: 00007f13d076c1e7
[  110.885064][ T2119] RDX: 0000000000000000 RSI: 00007ffd486d24a0 RDI: 0000000000000005
[  110.885518][ T2119] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  110.885995][ T2119] R10: 00007f13d0669ee8 R11: 0000000000000246 R12: 0000000000000003
[  110.886478][ T2119] R13: 00000000686e383b R14: 0000000000499600 R15: 0000000000000000
| [  111.125001][ T2121] ------------[ cut here ]------------
| [ 111.125318][ T2121] WARNING: CPU: 1 PID: 2121 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) 
| [  111.125939][ T2121] Modules linked in: bridge stp llc 8021q vrf veth
| [  111.127186][ T2121] Tainted: [W]=WARN
[  111.127419][ T2121] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.127799][ T2121] 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) 
[ 111.128120][ T2121] 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
[  111.129250][ T2121] RSP: 0018:ffffc90003a16f70 EFLAGS: 00010246
[  111.129635][ T2121] RAX: 0000000000000000 RBX: ffff88800bd72000 RCX: 0000000000000001
[  111.130109][ T2121] RDX: 0000000000000000 RSI: ffffffffb249b941 RDI: ffffffffb1c555e0
[  111.130562][ T2121] RBP: ffffc90003a17058 R08: 0000000000000000 R09: 0000000000000000
[  111.131030][ T2121] R10: ffffc90003a17088 R11: ffffffffb2979160 R12: 1ffff92000742df2
[  111.131485][ T2121] R13: 00000000000005dc R14: ffffc90003a17088 R15: ffff88800bd72f08
[  111.131950][ T2121] FS:  00007efe779fc800(0000) GS:ffff888081d37000(0000) knlGS:0000000000000000
[  111.132481][ T2121] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.132880][ T2121] CR2: 00000000004e5aa8 CR3: 000000000544a003 CR4: 0000000000772ef0
[  111.133352][ T2121] PKRU: 55555554
[  111.133580][ T2121] Call Trace:
[  111.133837][ T2121]  <TASK>
[ 111.133992][ T2121] ? __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) 
[ 111.134372][ T2121] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 111.134728][ T2121] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 111.135047][ T2121] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 111.135351][ T2121] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.135656][ T2121] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.135976][ T2121] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.136281][ T2121] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.136585][ T2121] ? ___sys_sendmsg (net/socket.c:2670) 
[ 111.136898][ T2121] ? __sys_sendmsg (net/socket.c:2700) 
[ 111.137200][ T2121] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.137508][ T2121] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 111.137910][ T2121] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.138224][ T2121] netif_set_mtu (net/core/dev.c:9652) 
[ 111.138529][ T2121] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.138858][ T2121] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.139097][ T2121] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.139516][ T2121] br_del_if (net/bridge/br_if.c:743) bridge 
[ 111.139870][ T2121] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 111.140176][ T2121] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 111.140480][ T2121] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 111.140786][ T2121] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 111.141184][ T2121] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 111.141487][ T2121] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 111.141793][ T2121] ? __kernel_text_address (kernel/extable.c:79) 
[ 111.142145][ T2121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.142453][ T2121] ? __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) 
[ 111.142761][ T2121] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 111.143153][ T2121] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.143459][ T2121] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.143764][ T2121] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 111.144074][ T2121] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 111.144385][ T2121] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.144695][ T2121] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.145003][ T2121] ? __create_object (mm/kmemleak.c:771) 
[ 111.145317][ T2121] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 111.145622][ T2121] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 111.145945][ T2121] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 111.146323][ T2121] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 111.146631][ T2121] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.146952][ T2121] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.147256][ T2121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.147570][ T2121] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.147883][ T2121] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.148187][ T2121] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.148493][ T2121] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.148797][ T2121] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.149110][ T2121] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.149428][ T2121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.149738][ T2121] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.150058][ T2121] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.150372][ T2121] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.150687][ T2121] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.150995][ T2121] ? 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) 
[ 111.151300][ T2121] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.151613][ T2121] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.151923][ T2121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.152231][ T2121] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.152538][ T2121] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.152874][ T2121] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.153202][ T2121] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.153510][ T2121] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.153849][ T2121] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.154239][ T2121] ___sys_sendmsg (net/socket.c:2670) 
[ 111.154541][ T2121] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 111.154855][ T2121] ? __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) 
[ 111.155231][ T2121] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.155539][ T2121] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.155855][ T2121] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.156172][ T2121] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.156476][ T2121] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 111.156776][ T2121] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.157101][ T2121] __sys_sendmsg (net/socket.c:2700) 
[ 111.157403][ T2121] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 111.157779][ T2121] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.158114][ T2121] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.158429][ T2121] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.158738][ T2121] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.159121][ T2121] RIP: 0033:0x7efe77bc91e7
[ 111.159434][ T2121] 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)
[  111.160520][ T2121] RSP: 002b:00007ffd9ae8f5a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.160991][ T2121] RAX: ffffffffffffffda RBX: 00007ffd9ae8fcd0 RCX: 00007efe77bc91e7
[  111.161447][ T2121] RDX: 0000000000000000 RSI: 00007ffd9ae8f610 RDI: 0000000000000005
[  111.161918][ T2121] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  111.162375][ T2121] R10: 00007efe77ac6ee8 R11: 0000000000000246 R12: 0000000000000003
[  111.162844][ T2121] R13: 00000000686e383b R14: 0000000000499600 R15: 0000000000000000
| [  112.185256][ T2139] ------------[ cut here ]------------
| [ 112.185802][ T2139] WARNING: CPU: 2 PID: 2139 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) 
| [  112.186589][ T2139] Modules linked in: bridge stp llc 8021q vrf veth
| [  112.188449][ T2139] Tainted: [W]=WARN
[  112.188773][ T2139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.189320][ T2139] 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) 
[ 112.189791][ T2139] 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
[  112.191192][ T2139] RSP: 0018:ffffc90003ac6ef0 EFLAGS: 00010246
[  112.191743][ T2139] RAX: 0000000000000000 RBX: ffff888008b82000 RCX: 0000000000000001
[  112.192284][ T2139] RDX: 0000000000000000 RSI: ffffffffb249b941 RDI: ffffffffb1c555e0
[  112.192807][ T2139] RBP: ffffc90003ac6fe0 R08: 0000000000000000 R09: 0000000000000000
[  112.193504][ T2139] R10: ffffc90003ac7010 R11: ffffffffb32a8918 R12: 1ffff92000758de2
[  112.194089][ T2139] R13: 00000000000005dc R14: ffffc90003ac7010 R15: ffff888008b82f08
[  112.194860][ T2139] FS:  00007f9a806c7800(0000) GS:ffff888081db7000(0000) knlGS:0000000000000000
[  112.195573][ T2139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.196083][ T2139] CR2: 00000000004e5aa8 CR3: 000000000e861002 CR4: 0000000000772ef0
[  112.196698][ T2139] PKRU: 55555554
[  112.196981][ T2139] Call Trace:
[  112.197255][ T2139]  <TASK>
[ 112.197468][ T2139] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.197985][ T2139] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.198439][ T2139] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.198811][ T2139] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.199285][ T2139] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.199692][ T2139] netif_set_mtu (net/core/dev.c:9652) 
[ 112.200122][ T2139] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.200502][ T2139] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.201010][ T2139] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.201306][ T2139] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.201782][ T2139] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.202228][ T2139] do_set_master (net/core/rtnetlink.c:2948) 
[ 112.202756][ T2139] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.203152][ T2139] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 112.203614][ T2139] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 112.203972][ T2139] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 112.204393][ T2139] ? __kernel_text_address (kernel/extable.c:79) 
[ 112.204837][ T2139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.205190][ T2139] ? __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) 
[ 112.205665][ T2139] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 112.206129][ T2139] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.206603][ T2139] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.206974][ T2139] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 112.207342][ T2139] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 112.207809][ T2139] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.208272][ T2139] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.208786][ T2139] ? __create_object (mm/kmemleak.c:771) 
[ 112.209150][ T2139] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 112.209613][ T2139] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 112.209966][ T2139] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 112.210482][ T2139] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 112.211028][ T2139] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.211465][ T2139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.211792][ T2139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.212250][ T2139] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.212681][ T2139] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.213117][ T2139] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.213539][ T2139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.213944][ T2139] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.214363][ T2139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.214727][ T2139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.215080][ T2139] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.215546][ T2139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.215893][ T2139] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.216254][ T2139] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.216694][ T2139] ? 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) 
[ 112.217104][ T2139] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.217587][ T2139] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.217959][ T2139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.218414][ T2139] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.218891][ T2139] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.219324][ T2139] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.219719][ T2139] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.220182][ T2139] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.220701][ T2139] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.221149][ T2139] ___sys_sendmsg (net/socket.c:2670) 
[ 112.221552][ T2139] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 112.221953][ T2139] ? __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) 
[ 112.222399][ T2139] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.222745][ T2139] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.223131][ T2139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.223522][ T2139] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.223882][ T2139] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 112.224221][ T2139] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.224727][ T2139] __sys_sendmsg (net/socket.c:2700) 
[ 112.225083][ T2139] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 112.225519][ T2139] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.225884][ T2139] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.226227][ T2139] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.226582][ T2139] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.227037][ T2139] RIP: 0033:0x7f9a808941e7
[ 112.227424][ T2139] 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)
[  112.228631][ T2139] RSP: 002b:00007fffb302b5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.229151][ T2139] RAX: ffffffffffffffda RBX: 00007fffb302bce0 RCX: 00007f9a808941e7
[  112.229666][ T2139] RDX: 0000000000000000 RSI: 00007fffb302b620 RDI: 0000000000000005
[  112.230210][ T2139] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  112.230735][ T2139] R10: 000000001285d910 R11: 0000000000000246 R12: 0000000000000004
[  112.231278][ T2139] R13: 00000000686e383c R14: 0000000000499600 R15: 0000000000000000
| [  112.837606][ T2144] ------------[ cut here ]------------
| [ 112.838000][ T2144] WARNING: CPU: 0 PID: 2144 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) 
| [  112.838680][ T2144] Modules linked in: bridge stp llc 8021q vrf veth
| [  112.839853][ T2144] Tainted: [W]=WARN
[  112.840115][ T2144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.840543][ T2144] 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) 
[ 112.841058][ T2144] 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
[  112.842446][ T2144] RSP: 0018:ffffc900037b6ef0 EFLAGS: 00010246
[  112.842939][ T2144] RAX: 0000000000000000 RBX: ffff888008b82000 RCX: 0000000000000001
[  112.843479][ T2144] RDX: 0000000000000000 RSI: ffffffffb249b941 RDI: ffffffffb1c555e0
[  112.844008][ T2144] RBP: ffffc900037b6fe0 R08: 0000000000000000 R09: 0000000000000000
[  112.844524][ T2144] R10: ffffc900037b7010 R11: ffffffffb32a8918 R12: 1ffff920006f6de2
[  112.845063][ T2144] R13: 00000000000005dc R14: ffffc900037b7010 R15: ffff888008b82f08
[  112.845588][ T2144] FS:  00007f1a22077800(0000) GS:ffff888081cb7000(0000) knlGS:0000000000000000
[  112.846202][ T2144] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.846638][ T2144] CR2: 00000000004e5ab0 CR3: 000000000f337002 CR4: 0000000000772ef0
[  112.847164][ T2144] PKRU: 55555554
[  112.847427][ T2144] Call Trace:
[  112.847686][ T2144]  <TASK>
[ 112.847882][ T2144] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.848229][ T2144] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.848580][ T2144] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 112.848934][ T2144] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 112.849364][ T2144] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 112.849711][ T2144] netif_set_mtu (net/core/dev.c:9652) 
[ 112.850068][ T2144] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.850434][ T2144] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 112.850928][ T2144] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.851193][ T2144] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.851667][ T2144] br_add_if (net/bridge/br_if.c:697) bridge 
[ 112.852072][ T2144] do_set_master (net/core/rtnetlink.c:2948) 
[ 112.852440][ T2144] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.852789][ T2144] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 112.853257][ T2144] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 112.853603][ T2144] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 112.853958][ T2144] ? __kernel_text_address (kernel/extable.c:79) 
[ 112.854309][ T2144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.854658][ T2144] ? __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) 
[ 112.855017][ T2144] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 112.855452][ T2144] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.855799][ T2144] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.856154][ T2144] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 112.856500][ T2144] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 112.856853][ T2144] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.857201][ T2144] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.857543][ T2144] ? __create_object (mm/kmemleak.c:771) 
[ 112.857904][ T2144] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 112.858256][ T2144] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 112.858599][ T2144] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 112.859037][ T2144] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 112.859389][ T2144] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.859743][ T2144] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.860096][ T2144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.860449][ T2144] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.860792][ T2144] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.861148][ T2144] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.861495][ T2144] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.861854][ T2144] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.862203][ T2144] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.862549][ T2144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.862907][ T2144] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.863268][ T2144] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.863621][ T2144] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.863990][ T2144] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.864346][ T2144] ? 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) 
[ 112.864692][ T2144] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.865066][ T2144] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.865411][ T2144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.865758][ T2144] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.866123][ T2144] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.866469][ T2144] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.866831][ T2144] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.867179][ T2144] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.867522][ T2144] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.867969][ T2144] ___sys_sendmsg (net/socket.c:2670) 
[ 112.868312][ T2144] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 112.868664][ T2144] ? __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) 
[ 112.869101][ T2144] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.869448][ T2144] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.869793][ T2144] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.870153][ T2144] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.870498][ T2144] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 112.870849][ T2144] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.871206][ T2144] __sys_sendmsg (net/socket.c:2700) 
[ 112.871554][ T2144] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 112.871989][ T2144] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.872346][ T2144] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.872692][ T2144] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.873047][ T2144] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.873492][ T2144] RIP: 0033:0x7f1a222441e7
[ 112.873859][ T2144] 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)
[  112.875094][ T2144] RSP: 002b:00007ffdd4e852f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.875618][ T2144] RAX: ffffffffffffffda RBX: 00007ffdd4e85a20 RCX: 00007f1a222441e7
[  112.876144][ T2144] RDX: 0000000000000000 RSI: 00007ffdd4e85360 RDI: 0000000000000005
[  112.876665][ T2144] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  112.877188][ T2144] R10: 0000000023fc5910 R11: 0000000000000246 R12: 0000000000000004
[  112.877703][ T2144] R13: 00000000686e383d R14: 0000000000499600 R15: 0000000000000000
| [  204.052607][ T3937] ------------[ cut here ]------------
| [ 204.052972][ T3937] WARNING: CPU: 3 PID: 3937 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) 
| [  204.053625][ T3937] Modules linked in: bridge stp llc 8021q vrf veth
| [  204.054669][ T3937] Tainted: [W]=WARN
[  204.055935][ T3937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 204.056333][ T3937] 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) 
[ 204.056649][ T3937] 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
[  204.057763][ T3937] RSP: 0018:ffffc90006e36f70 EFLAGS: 00010246
[  204.058156][ T3937] RAX: 0000000000000000 RBX: ffff888008b82000 RCX: 0000000000000001
[  204.058613][ T3937] RDX: 0000000000000000 RSI: ffffffffb249b941 RDI: ffffffffb1c555e0
[  204.059085][ T3937] RBP: ffffc90006e37058 R08: 0000000000000000 R09: 0000000000000000
[  204.059552][ T3937] R10: ffffc90006e37088 R11: ffffffffb2979160 R12: 1ffff92000dc6df2
[  204.060027][ T3937] R13: 00000000000005dc R14: ffffc90006e37088 R15: ffff888008b82f08
[  204.060501][ T3937] FS:  00007f7c1cb1b800(0000) GS:ffff888081e37000(0000) knlGS:0000000000000000
[  204.061063][ T3937] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  204.061468][ T3937] CR2: 00000000004e5ab0 CR3: 000000000eb2a006 CR4: 0000000000772ef0
[  204.061955][ T3937] PKRU: 55555554
[  204.062200][ T3937] Call Trace:
[  204.062432][ T3937]  <TASK>
[ 204.062594][ T3937] ? __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) 
[ 204.063000][ T3937] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 204.063385][ T3937] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 204.063695][ T3937] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 204.064020][ T3937] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 204.064328][ T3937] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 204.064636][ T3937] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 204.064948][ T3937] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 204.065256][ T3937] ? ___sys_sendmsg (net/socket.c:2670) 
[ 204.065559][ T3937] ? __sys_sendmsg (net/socket.c:2700) 
[ 204.065868][ T3937] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 204.066180][ T3937] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 204.066560][ T3937] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.066886][ T3937] netif_set_mtu (net/core/dev.c:9652) 
[ 204.067200][ T3937] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 204.067522][ T3937] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 204.067754][ T3937] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 204.068182][ T3937] br_del_if (net/bridge/br_if.c:743) bridge 
[ 204.068527][ T3937] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 204.068859][ T3937] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 204.069172][ T3937] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 204.069494][ T3937] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 204.069890][ T3937] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 204.070195][ T3937] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 204.070504][ T3937] ? __kernel_text_address (kernel/extable.c:79) 
[ 204.070823][ T3937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.071156][ T3937] ? __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) 
[ 204.071463][ T3937] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 204.071856][ T3937] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.072167][ T3937] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.072478][ T3937] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 204.072783][ T3937] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 204.073117][ T3937] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.073484][ T3937] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 204.073797][ T3937] ? __create_object (mm/kmemleak.c:771) 
[ 204.074121][ T3937] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 204.074427][ T3937] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 204.074731][ T3937] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 204.075122][ T3937] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 204.075433][ T3937] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 204.075747][ T3937] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 204.076064][ T3937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.076377][ T3937] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.076686][ T3937] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 204.076997][ T3937] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 204.077307][ T3937] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 204.077612][ T3937] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 204.077924][ T3937] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 204.078238][ T3937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.078547][ T3937] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 204.078861][ T3937] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 204.079169][ T3937] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 204.079484][ T3937] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 204.079787][ T3937] ? 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) 
[ 204.080103][ T3937] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 204.080419][ T3937] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 204.080723][ T3937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.081042][ T3937] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 204.081348][ T3937] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 204.081659][ T3937] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 204.081982][ T3937] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 204.082306][ T3937] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 204.082609][ T3937] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 204.083011][ T3937] ___sys_sendmsg (net/socket.c:2670) 
[ 204.083331][ T3937] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 204.083638][ T3937] ? __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) 
[ 204.084027][ T3937] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 204.084332][ T3937] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.084685][ T3937] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.085071][ T3937] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.085385][ T3937] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 204.085686][ T3937] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 204.086005][ T3937] __sys_sendmsg (net/socket.c:2700) 
[ 204.086308][ T3937] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 204.086689][ T3937] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 204.087011][ T3937] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.087344][ T3937] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 204.087656][ T3937] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  204.088046][ T3937] RIP: 0033:0x7f7c1cce81e7
[ 204.088368][ T3937] 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)
[  204.089457][ T3937] RSP: 002b:00007ffcfe389988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  204.089929][ T3937] RAX: ffffffffffffffda RBX: 00007ffcfe38a0b0 RCX: 00007f7c1cce81e7
[  204.090388][ T3937] RDX: 0000000000000000 RSI: 00007ffcfe3899f0 RDI: 0000000000000005
[  204.090852][ T3937] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  204.091310][ T3937] R10: 00007f7c1cbe5ee8 R11: 0000000000000246 R12: 0000000000000003
[  204.091791][ T3937] R13: 00000000686e3898 R14: 0000000000499600 R15: 0000000000000000
| [  204.337372][ T3939] ------------[ cut here ]------------
| [ 204.337732][ T3939] WARNING: CPU: 2 PID: 3939 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) 
| [  204.338363][ T3939] Modules linked in: bridge stp llc 8021q vrf veth
| [  204.339453][ T3939] Tainted: [W]=WARN
[  204.339697][ T3939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 204.340115][ T3939] 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) 
[ 204.340444][ T3939] 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
[  204.341595][ T3939] RSP: 0018:ffffc90006e56f70 EFLAGS: 00010246
[  204.342195][ T3939] RAX: 0000000000000000 RBX: ffff888008b82000 RCX: 0000000000000001
[  204.342866][ T3939] RDX: 0000000000000000 RSI: ffffffffb249b941 RDI: ffffffffb1c555e0
[  204.343516][ T3939] RBP: ffffc90006e57058 R08: 0000000000000000 R09: 0000000000000000
[  204.344005][ T3939] R10: ffffc90006e57088 R11: ffffffffb2979160 R12: 1ffff92000dcadf2
[  204.344475][ T3939] R13: 00000000000005dc R14: ffffc90006e57088 R15: ffff888008b82f08
[  204.344968][ T3939] FS:  00007f9ac1c38800(0000) GS:ffff888081db7000(0000) knlGS:0000000000000000
[  204.345519][ T3939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  204.345933][ T3939] CR2: 00000000004e5aa8 CR3: 000000000f532002 CR4: 0000000000772ef0
[  204.346406][ T3939] PKRU: 55555554
[  204.346647][ T3939] Call Trace:
[  204.346902][ T3939]  <TASK>
[ 204.347073][ T3939] ? __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) 
[ 204.347468][ T3939] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 204.347835][ T3939] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 204.348164][ T3939] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 204.348510][ T3939] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 204.348867][ T3939] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 204.349189][ T3939] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 204.349506][ T3939] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 204.349838][ T3939] ? ___sys_sendmsg (net/socket.c:2670) 
[ 204.350155][ T3939] ? __sys_sendmsg (net/socket.c:2700) 
[ 204.350477][ T3939] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 204.350795][ T3939] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 204.351201][ T3939] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.351530][ T3939] netif_set_mtu (net/core/dev.c:9652) 
[ 204.351860][ T3939] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 204.352193][ T3939] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 204.352437][ T3939] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 204.352900][ T3939] br_del_if (net/bridge/br_if.c:743) bridge 
[ 204.353275][ T3939] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 204.353594][ T3939] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 204.353929][ T3939] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 204.354251][ T3939] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 204.354647][ T3939] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 204.354977][ T3939] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 204.355295][ T3939] ? __kernel_text_address (kernel/extable.c:79) 
[ 204.355622][ T3939] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.355979][ T3939] ? __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) 
[ 204.356298][ T3939] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 204.356689][ T3939] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.357034][ T3939] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.357354][ T3939] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 204.357669][ T3939] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 204.358010][ T3939] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.358330][ T3939] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 204.358645][ T3939] ? __create_object (mm/kmemleak.c:771) 
[ 204.358975][ T3939] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 204.359294][ T3939] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 204.359612][ T3939] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 204.360012][ T3939] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 204.360337][ T3939] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 204.360661][ T3939] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 204.361005][ T3939] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.361335][ T3939] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.361653][ T3939] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 204.361980][ T3939] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 204.362298][ T3939] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 204.362613][ T3939] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 204.362941][ T3939] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 204.363281][ T3939] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.363605][ T3939] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 204.363934][ T3939] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 204.364254][ T3939] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 204.364582][ T3939] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 204.364920][ T3939] ? 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) 
[ 204.365246][ T3939] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 204.365566][ T3939] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 204.365891][ T3939] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.366213][ T3939] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 204.366533][ T3939] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 204.366862][ T3939] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 204.367186][ T3939] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 204.367506][ T3939] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 204.367834][ T3939] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 204.368236][ T3939] ___sys_sendmsg (net/socket.c:2670) 
[ 204.368551][ T3939] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 204.368934][ T3939] ? __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) 
[ 204.369358][ T3939] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 204.369694][ T3939] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.370042][ T3939] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 204.370388][ T3939] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 204.370722][ T3939] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 204.371068][ T3939] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 204.371408][ T3939] __sys_sendmsg (net/socket.c:2700) 
[ 204.371737][ T3939] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 204.372159][ T3939] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 204.372506][ T3939] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 204.372868][ T3939] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 204.373213][ T3939] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  204.373634][ T3939] RIP: 0033:0x7f9ac1e051e7
[ 204.373991][ T3939] 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)
[  204.375159][ T3939] RSP: 002b:00007ffd6260fe88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  204.375658][ T3939] RAX: ffffffffffffffda RBX: 00007ffd626105b0 RCX: 00007f9ac1e051e7
[  204.376163][ T3939] RDX: 0000000000000000 RSI: 00007ffd6260fef0 RDI: 0000000000000005
[  204.376653][ T3939] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  204.377168][ T3939] R10: 00007f9ac1d02ee8 R11: 0000000000000246 R12: 0000000000000003
[  204.377671][ T3939] R13: 00000000686e3899 R14: 0000000000499600 R15: 0000000000000000
| [  205.548682][ T3957] ------------[ cut here ]------------
| [ 205.549097][ T3957] WARNING: CPU: 3 PID: 3957 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) 
| [  205.549796][ T3957] Modules linked in: bridge stp llc 8021q vrf veth
| [  205.550947][ T3957] Tainted: [W]=WARN
[  205.551187][ T3957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 205.551592][ T3957] 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) 
[ 205.552076][ T3957] 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
[  205.553421][ T3957] RSP: 0018:ffffc90006ef6ef0 EFLAGS: 00010246
[  205.553907][ T3957] RAX: 0000000000000000 RBX: ffff88800bd72000 RCX: 0000000000000001
[  205.554465][ T3957] RDX: 0000000000000000 RSI: ffffffffb249b941 RDI: ffffffffb1c555e0
[  205.555075][ T3957] RBP: ffffc90006ef6fe0 R08: 0000000000000000 R09: 0000000000000000
[  205.555677][ T3957] R10: ffffc90006ef7010 R11: ffffffffb32a8918 R12: 1ffff92000ddede2
[  205.556236][ T3957] R13: 00000000000005dc R14: ffffc90006ef7010 R15: ffff88800bd72f08
[  205.556811][ T3957] FS:  00007f74e80f8800(0000) GS:ffff888081e37000(0000) knlGS:0000000000000000
[  205.557479][ T3957] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  205.557924][ T3957] CR2: 00000000004e5aa8 CR3: 000000000eebc002 CR4: 0000000000772ef0
[  205.558459][ T3957] PKRU: 55555554
[  205.558755][ T3957] Call Trace:
[  205.559007][ T3957]  <TASK>
[ 205.559168][ T3957] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 205.559513][ T3957] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.559867][ T3957] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 205.560282][ T3957] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 205.560751][ T3957] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 205.561126][ T3957] netif_set_mtu (net/core/dev.c:9652) 
[ 205.561472][ T3957] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 205.561795][ T3957] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 205.562351][ T3957] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 205.562607][ T3957] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 205.563121][ T3957] br_add_if (net/bridge/br_if.c:697) bridge 
[ 205.563517][ T3957] do_set_master (net/core/rtnetlink.c:2948) 
[ 205.563865][ T3957] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 205.564191][ T3957] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 205.564698][ T3957] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 205.565035][ T3957] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 205.565394][ T3957] ? __kernel_text_address (kernel/extable.c:79) 
[ 205.565759][ T3957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.566092][ T3957] ? __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) 
[ 205.566422][ T3957] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 205.566811][ T3957] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 205.567141][ T3957] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 205.567477][ T3957] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 205.567797][ T3957] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 205.568240][ T3957] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.568582][ T3957] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 205.568910][ T3957] ? __create_object (mm/kmemleak.c:771) 
[ 205.569232][ T3957] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 205.569746][ T3957] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 205.570099][ T3957] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 205.570592][ T3957] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 205.570932][ T3957] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 205.571252][ T3957] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 205.571649][ T3957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.572066][ T3957] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.572403][ T3957] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 205.572758][ T3957] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 205.573151][ T3957] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 205.573530][ T3957] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 205.573990][ T3957] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 205.574412][ T3957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.574989][ T3957] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 205.575521][ T3957] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 205.576104][ T3957] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 205.576671][ T3957] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 205.577241][ T3957] ? 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) 
[ 205.577803][ T3957] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 205.578385][ T3957] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 205.578964][ T3957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.579365][ T3957] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 205.579771][ T3957] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 205.580168][ T3957] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 205.580591][ T3957] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 205.581159][ T3957] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 205.581716][ T3957] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 205.582462][ T3957] ___sys_sendmsg (net/socket.c:2670) 
[ 205.583020][ T3957] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 205.583601][ T3957] ? __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) 
[ 205.584336][ T3957] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 205.584946][ T3957] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.585510][ T3957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.586105][ T3957] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 205.586666][ T3957] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 205.587235][ T3957] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 205.587790][ T3957] __sys_sendmsg (net/socket.c:2700) 
[ 205.588383][ T3957] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 205.589095][ T3957] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 205.589673][ T3957] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 205.590244][ T3957] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 205.590794][ T3957] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  205.591490][ T3957] RIP: 0033:0x7f74e82c51e7
[ 205.592094][ T3957] 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)
[  205.594107][ T3957] RSP: 002b:00007ffc51e20658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  205.594963][ T3957] RAX: ffffffffffffffda RBX: 00007ffc51e20d80 RCX: 00007f74e82c51e7
[  205.595792][ T3957] RDX: 0000000000000000 RSI: 00007ffc51e206c0 RDI: 0000000000000005
[  205.596664][ T3957] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  205.597518][ T3957] R10: 00000000254d2910 R11: 0000000000000246 R12: 0000000000000004
[  205.598358][ T3957] R13: 00000000686e389a R14: 0000000000499600 R15: 0000000000000000
| [  206.219400][ T3962] ------------[ cut here ]------------
| [ 206.219743][ T3962] WARNING: CPU: 1 PID: 3962 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) 
| [  206.220398][ T3962] Modules linked in: bridge stp llc 8021q vrf veth
| [  206.221485][ T3962] Tainted: [W]=WARN
[  206.221727][ T3962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 206.222338][ T3962] 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) 
[ 206.222672][ T3962] 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
[  206.223994][ T3962] RSP: 0018:ffffc90006f56ef0 EFLAGS: 00010246
[  206.224415][ T3962] RAX: 0000000000000000 RBX: ffff88800bd72000 RCX: 0000000000000001
[  206.225038][ T3962] RDX: 0000000000000000 RSI: ffffffffb249b941 RDI: ffffffffb1c555e0
[  206.225499][ T3962] RBP: ffffc90006f56fe0 R08: 0000000000000000 R09: 0000000000000000
[  206.226164][ T3962] R10: ffffc90006f57010 R11: ffffffffb32a8918 R12: 1ffff92000deade2
[  206.226622][ T3962] R13: 00000000000005dc R14: ffffc90006f57010 R15: ffff88800bd72f08
[  206.227264][ T3962] FS:  00007fa437c21800(0000) GS:ffff888081d37000(0000) knlGS:0000000000000000
[  206.227988][ T3962] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  206.228386][ T3962] CR2: 00000000004e5ab0 CR3: 000000000bca3006 CR4: 0000000000772ef0
[  206.229031][ T3962] PKRU: 55555554
[  206.229275][ T3962] Call Trace:
[  206.229516][ T3962]  <TASK>
[ 206.229690][ T3962] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 206.230161][ T3962] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 206.230494][ T3962] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 206.230966][ T3962] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 206.231369][ T3962] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 206.231688][ T3962] netif_set_mtu (net/core/dev.c:9652) 
[ 206.232173][ T3962] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 206.232514][ T3962] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 206.233047][ T3962] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 206.233301][ T3962] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 206.233739][ T3962] br_add_if (net/bridge/br_if.c:697) bridge 
[ 206.234133][ T3962] do_set_master (net/core/rtnetlink.c:2948) 
[ 206.234452][ T3962] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 206.234760][ T3962] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 206.235180][ T3962] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 206.235490][ T3962] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 206.235793][ T3962] ? __kernel_text_address (kernel/extable.c:79) 
[ 206.236111][ T3962] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 206.236422][ T3962] ? __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) 
[ 206.236727][ T3962] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 206.237127][ T3962] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 206.237444][ T3962] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 206.237754][ T3962] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 206.238079][ T3962] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 206.238404][ T3962] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 206.238750][ T3962] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 206.239077][ T3962] ? __create_object (mm/kmemleak.c:771) 
[ 206.239404][ T3962] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 206.239730][ T3962] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 206.240064][ T3962] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 206.240461][ T3962] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 206.240784][ T3962] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 206.241130][ T3962] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 206.241459][ T3962] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 206.241792][ T3962] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 206.242127][ T3962] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 206.242463][ T3962] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 206.242781][ T3962] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 206.243108][ T3962] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 206.243444][ T3962] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 206.243768][ T3962] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 206.244100][ T3962] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 206.244436][ T3962] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 206.244764][ T3962] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 206.245116][ T3962] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 206.245446][ T3962] ? 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) 
[ 206.245770][ T3962] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 206.246102][ T3962] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 206.246430][ T3962] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 206.246760][ T3962] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 206.247103][ T3962] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 206.247431][ T3962] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 206.247763][ T3962] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 206.248098][ T3962] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 206.248425][ T3962] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 206.248863][ T3962] ___sys_sendmsg (net/socket.c:2670) 
[ 206.249183][ T3962] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 206.249517][ T3962] ? __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) 
[ 206.249926][ T3962] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 206.250256][ T3962] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 206.250590][ T3962] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 206.250923][ T3962] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 206.251244][ T3962] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 206.251581][ T3962] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 206.251927][ T3962] __sys_sendmsg (net/socket.c:2700) 
[ 206.252256][ T3962] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 206.252658][ T3962] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 206.253010][ T3962] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 206.253350][ T3962] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 206.253673][ T3962] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  206.254090][ T3962] RIP: 0033:0x7fa437dee1e7
[ 206.254419][ T3962] 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)
[  206.255595][ T3962] RSP: 002b:00007ffd6a49ace8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  206.256090][ T3962] RAX: ffffffffffffffda RBX: 00007ffd6a49b410 RCX: 00007fa437dee1e7
[  206.256593][ T3962] RDX: 0000000000000000 RSI: 00007ffd6a49ad50 RDI: 0000000000000005
[  206.257115][ T3962] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  206.257598][ T3962] R10: 000000002bf43910 R11: 0000000000000246 R12: 0000000000000004
[  206.258060][ T3962] R13: 00000000686e389a R14: 0000000000499600 R15: 0000000000000000
| [  396.052329][ T7813] ------------[ cut here ]------------
| [ 396.052731][ T7813] WARNING: CPU: 2 PID: 7813 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) 
| [  396.053400][ T7813] Modules linked in: bridge stp llc 8021q vrf veth
| [  396.054513][ T7813] Tainted: [W]=WARN
[  396.054770][ T7813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 396.055196][ T7813] 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) 
[ 396.055540][ T7813] 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
[  396.056723][ T7813] RSP: 0018:ffffc900086d6f70 EFLAGS: 00010246
[  396.057147][ T7813] RAX: 0000000000000000 RBX: ffff88800bd72000 RCX: 0000000000000001
[  396.057645][ T7813] RDX: 0000000000000000 RSI: ffffffffb249b941 RDI: ffffffffb1c555e0
[  396.058153][ T7813] RBP: ffffc900086d7058 R08: 0000000000000000 R09: 0000000000000000
[  396.058652][ T7813] R10: ffffc900086d7088 R11: ffffffffb2979160 R12: 1ffff920010dadf2
[  396.059148][ T7813] R13: 00000000000005dc R14: ffffc900086d7088 R15: ffff88800bd72f08
[  396.059638][ T7813] FS:  00007fba9e760800(0000) GS:ffff888081db7000(0000) knlGS:0000000000000000
[  396.061069][ T7813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  396.061498][ T7813] CR2: 00000000004e5ab0 CR3: 000000000a213003 CR4: 0000000000772ef0
[  396.062003][ T7813] PKRU: 55555554
[  396.062255][ T7813] Call Trace:
[  396.062514][ T7813]  <TASK>
[ 396.062688][ T7813] ? __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) 
[ 396.063113][ T7813] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 396.063516][ T7813] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 396.063858][ T7813] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 396.064205][ T7813] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 396.064542][ T7813] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 396.064883][ T7813] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 396.065210][ T7813] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 396.065546][ T7813] ? ___sys_sendmsg (net/socket.c:2670) 
[ 396.065888][ T7813] ? __sys_sendmsg (net/socket.c:2700) 
[ 396.066214][ T7813] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 396.066549][ T7813] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 396.066967][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.067310][ T7813] netif_set_mtu (net/core/dev.c:9652) 
[ 396.067641][ T7813] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 396.068030][ T7813] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 396.068298][ T7813] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 396.068764][ T7813] br_del_if (net/bridge/br_if.c:743) bridge 
[ 396.069149][ T7813] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 396.069487][ T7813] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 396.069834][ T7813] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 396.070172][ T7813] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 396.070587][ T7813] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 396.070930][ T7813] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 396.071262][ T7813] ? __kernel_text_address (kernel/extable.c:79) 
[ 396.071597][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.071955][ T7813] ? __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) 
[ 396.072304][ T7813] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 396.072712][ T7813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 396.073057][ T7813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 396.073388][ T7813] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 396.073730][ T7813] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 396.074076][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.074412][ T7813] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 396.074745][ T7813] ? __create_object (mm/kmemleak.c:771) 
[ 396.075105][ T7813] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 396.075443][ T7813] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 396.075773][ T7813] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 396.076194][ T7813] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 396.076538][ T7813] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 396.076884][ T7813] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 396.077220][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.077571][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.077911][ T7813] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 396.078239][ T7813] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 396.078573][ T7813] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 396.078915][ T7813] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 396.079244][ T7813] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 396.079579][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.079931][ T7813] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 396.080262][ T7813] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 396.080594][ T7813] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 396.080947][ T7813] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 396.081283][ T7813] ? 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) 
[ 396.081615][ T7813] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 396.081959][ T7813] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 396.082303][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.082639][ T7813] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 396.082992][ T7813] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 396.083328][ T7813] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 396.083675][ T7813] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 396.084017][ T7813] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 396.084350][ T7813] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 396.084780][ T7813] ___sys_sendmsg (net/socket.c:2670) 
[ 396.085119][ T7813] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 396.085455][ T7813] ? __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) 
[ 396.085870][ T7813] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 396.086206][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.086544][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.086891][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.087220][ T7813] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 396.087561][ T7813] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 396.087909][ T7813] __sys_sendmsg (net/socket.c:2700) 
[ 396.088238][ T7813] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 396.088641][ T7813] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 396.088992][ T7813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 396.089326][ T7813] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 396.089658][ T7813] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  396.090080][ T7813] RIP: 0033:0x7fba9e92d1e7
[ 396.090424][ T7813] 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)
[  396.091574][ T7813] RSP: 002b:00007ffff24470c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  396.092085][ T7813] RAX: ffffffffffffffda RBX: 00007ffff24477f0 RCX: 00007fba9e92d1e7
[  396.092578][ T7813] RDX: 0000000000000000 RSI: 00007ffff2447130 RDI: 0000000000000005
[  396.093089][ T7813] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  396.093619][ T7813] R10: 00007fba9e82aee8 R11: 0000000000000246 R12: 0000000000000003
[  396.094125][ T7813] R13: 00000000686e3958 R14: 0000000000499600 R15: 0000000000000000
| [  396.375458][ T7815] ------------[ cut here ]------------
| [ 396.375788][ T7815] WARNING: CPU: 3 PID: 7815 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) 
| [  396.376472][ T7815] Modules linked in: bridge stp llc 8021q vrf veth
| [  396.377683][ T7815] Tainted: [W]=WARN
[  396.378134][ T7815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 396.378530][ T7815] 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) 
[ 396.379063][ T7815] 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
[  396.380364][ T7815] RSP: 0018:ffffc900086c6f70 EFLAGS: 00010246
[  396.380764][ T7815] RAX: 0000000000000000 RBX: ffff88800bd72000 RCX: 0000000000000001
[  396.381263][ T7815] RDX: 0000000000000000 RSI: ffffffffb249b941 RDI: ffffffffb1c555e0
[  396.381741][ T7815] RBP: ffffc900086c7058 R08: 0000000000000000 R09: 0000000000000000
[  396.382225][ T7815] R10: ffffc900086c7088 R11: ffffffffb2979160 R12: 1ffff920010d8df2
[  396.382697][ T7815] R13: 00000000000005dc R14: ffffc900086c7088 R15: ffff88800bd72f08
[  396.383177][ T7815] FS:  00007f6e59ed0800(0000) GS:ffff888081e37000(0000) knlGS:0000000000000000
[  396.383750][ T7815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  396.384159][ T7815] CR2: 00000000004e5aa8 CR3: 0000000011249004 CR4: 0000000000772ef0
[  396.384636][ T7815] PKRU: 55555554
[  396.384881][ T7815] Call Trace:
[  396.385118][ T7815]  <TASK>
[ 396.385280][ T7815] ? __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) 
[ 396.385676][ T7815] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 396.386057][ T7815] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 396.386377][ T7815] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 396.386693][ T7815] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 396.387015][ T7815] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 396.387332][ T7815] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 396.387645][ T7815] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 396.387969][ T7815] ? ___sys_sendmsg (net/socket.c:2670) 
[ 396.388317][ T7815] ? __sys_sendmsg (net/socket.c:2700) 
[ 396.388632][ T7815] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 396.388957][ T7815] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 396.389350][ T7815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.389677][ T7815] netif_set_mtu (net/core/dev.c:9652) 
[ 396.390003][ T7815] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 396.390336][ T7815] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 396.390579][ T7815] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 396.391033][ T7815] br_del_if (net/bridge/br_if.c:743) bridge 
[ 396.391386][ T7815] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 396.391703][ T7815] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 396.392032][ T7815] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 396.392352][ T7815] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 396.392749][ T7815] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 396.393074][ T7815] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 396.393396][ T7815] ? __kernel_text_address (kernel/extable.c:79) 
[ 396.393727][ T7815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.394059][ T7815] ? __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) 
[ 396.394377][ T7815] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 396.394770][ T7815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 396.395099][ T7815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 396.395415][ T7815] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 396.395735][ T7815] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 396.396058][ T7815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.396374][ T7815] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 396.396690][ T7815] ? __create_object (mm/kmemleak.c:771) 
[ 396.397013][ T7815] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 396.397333][ T7815] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 396.397650][ T7815] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 396.398058][ T7815] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 396.398383][ T7815] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 396.398704][ T7815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 396.399029][ T7815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.399356][ T7815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.399674][ T7815] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 396.399995][ T7815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 396.400311][ T7815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 396.400631][ T7815] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 396.400957][ T7815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 396.401279][ T7815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.401600][ T7815] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 396.401925][ T7815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 396.402244][ T7815] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 396.402570][ T7815] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 396.402898][ T7815] ? 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) 
[ 396.403219][ T7815] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 396.403548][ T7815] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 396.403873][ T7815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.404196][ T7815] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 396.404516][ T7815] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 396.404845][ T7815] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 396.405170][ T7815] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 396.405493][ T7815] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 396.405808][ T7815] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 396.406222][ T7815] ___sys_sendmsg (net/socket.c:2670) 
[ 396.406535][ T7815] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 396.406857][ T7815] ? __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) 
[ 396.407254][ T7815] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 396.407579][ T7815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.407906][ T7815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 396.408229][ T7815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 396.408545][ T7815] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 396.408865][ T7815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 396.409189][ T7815] __sys_sendmsg (net/socket.c:2700) 
[ 396.409505][ T7815] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 396.409906][ T7815] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 396.410240][ T7815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 396.410559][ T7815] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 396.410886][ T7815] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  396.411279][ T7815] RIP: 0033:0x7f6e5a09d1e7
[ 396.411606][ T7815] 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)
[  396.412745][ T7815] RSP: 002b:00007ffdd61b4728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  396.413234][ T7815] RAX: ffffffffffffffda RBX: 00007ffdd61b4e50 RCX: 00007f6e5a09d1e7
[  396.413721][ T7815] RDX: 0000000000000000 RSI: 00007ffdd61b4790 RDI: 0000000000000005
[  396.414201][ T7815] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  396.414682][ T7815] R10: 00007f6e59f9aee8 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