======================================
| [   19.806938][  T316] veth1: entered promiscuous mode
| [   19.809072][  T316] ------------[ cut here ]------------
| [ 19.809416][ T316] WARNING: CPU: 2 PID: 316 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   19.810062][  T316] Modules linked in: vrf bridge stp llc veth
[   19.811270][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.811685][ T316] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 19.812098][ T316] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   19.813307][  T316] RSP: 0018:ffffc90000706ef0 EFLAGS: 00010246
[   19.813718][  T316] RAX: 0000000000000000 RBX: ffff88800c71a000 RCX: 0000000000000001
[   19.814222][  T316] RDX: 0000000000000000 RSI: ffffffff9729b941 RDI: ffffffff96a555e0
[   19.814708][  T316] RBP: ffffc90000706fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.815201][  T316] R10: ffffc90000707010 R11: ffffffff980a8918 R12: 1ffff920000e0de2
[   19.815680][  T316] R13: 00000000000005dc R14: ffffc90000707010 R15: ffff88800c71af08
[   19.816196][  T316] FS:  00007f89f0c79800(0000) GS:ffff8880961b7000(0000) knlGS:0000000000000000
[   19.816750][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.817163][  T316] CR2: 00000000004e5aa8 CR3: 000000000ec15004 CR4: 0000000000772ef0
[   19.817639][  T316] PKRU: 55555554
[   19.817910][  T316] Call Trace:
[   19.818162][  T316]  <TASK>
[ 19.818344][ T316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.818681][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.819010][ T316] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.819341][ T316] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.819744][ T316] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.820082][ T316] netif_set_mtu (net/core/dev.c:9652) 
[ 19.820417][ T316] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.820753][ T316] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.821207][ T316] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.821456][ T316] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.821893][ T316] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.822267][ T316] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.822594][ T316] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.822917][ T316] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.823347][ T316] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.823668][ T316] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.823988][ T316] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.824338][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.824664][ T316] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 19.824983][ T316] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.825401][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.825725][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.826052][ T316] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.826372][ T316] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.826691][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.827014][ T316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.827340][ T316] ? __create_object (mm/kmemleak.c:771) 
[ 19.827674][ T316] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.827998][ T316] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.828345][ T316] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.828757][ T316] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.829096][ T316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.829425][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.829743][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.830079][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.830405][ T316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.830719][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.831059][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.831385][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.831706][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.832033][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.832387][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.832707][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.833068][ T316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.833667][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.833989][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 19.834542][ T316] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.834868][ T316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.835193][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.835521][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.835841][ T316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.836172][ T316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.836722][ T316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.837059][ T316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.837376][ T316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.837779][ T316] ___sys_sendmsg (net/socket.c:2670) 
[ 19.838112][ T316] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.838429][ T316] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 19.838821][ T316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.839375][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.839696][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.840025][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.840384][ T316] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.840711][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.841271][ T316] __sys_sendmsg (net/socket.c:2700) 
[ 19.841604][ T316] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.842228][ T316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.842559][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.842878][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.843215][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.843612][  T316] RIP: 0033:0x7f89f0e461e7
[ 19.843963][ T316] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   19.845081][  T316] RSP: 002b:00007ffd0bc3f9d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.845569][  T316] RAX: ffffffffffffffda RBX: 00007ffd0bc40100 RCX: 00007f89f0e461e7
[   19.846066][  T316] RDX: 0000000000000000 RSI: 00007ffd0bc3fa40 RDI: 0000000000000005
[   19.846780][  T316] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   19.847259][  T316] R10: 0000000006eb0910 R11: 0000000000000246 R12: 0000000000000004
[   19.847957][  T316] R13: 00000000686e1d0e R14: 0000000000499600 R15: 0000000000000000
| [   19.983364][  T318] ------------[ cut here ]------------
| [ 19.983683][ T318] WARNING: CPU: 1 PID: 318 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   19.984320][  T318] Modules linked in: vrf bridge stp llc veth
| [   19.986954][  T318] Tainted: [W]=WARN
[   19.987294][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.987679][ T318] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 19.988000][ T318] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   19.989163][  T318] RSP: 0018:ffffc90000726ef0 EFLAGS: 00010246
[   19.989550][  T318] RAX: 0000000000000000 RBX: ffff88800c71a000 RCX: 0000000000000001
[   19.990002][  T318] RDX: 0000000000000000 RSI: ffffffff9729b941 RDI: ffffffff96a555e0
[   19.990475][  T318] RBP: ffffc90000726fe0 R08: 0000000000000000 R09: 0000000000000000
[   19.990936][  T318] R10: ffffc90000727010 R11: ffffffff980a8918 R12: 1ffff920000e4de2
[   19.991410][  T318] R13: 00000000000005dc R14: ffffc90000727010 R15: ffff88800c71af08
[   19.991870][  T318] FS:  00007f8c27a28800(0000) GS:ffff888096137000(0000) knlGS:0000000000000000
[   19.992421][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.992806][  T318] CR2: 00000000004e5ab8 CR3: 000000000e897002 CR4: 0000000000772ef0
[   19.993318][  T318] PKRU: 55555554
[   19.993551][  T318] Call Trace:
[   19.993778][  T318]  <TASK>
[ 19.993937][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.994255][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.994569][ T318] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.994872][ T318] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.995260][ T318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.995572][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 19.995879][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.996222][ T318] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 19.996651][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.996887][ T318] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 19.997315][ T318] br_add_if (net/bridge/br_if.c:697) bridge 
[ 19.997688][ T318] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.997999][ T318] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 19.998320][ T318] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.998704][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.999012][ T318] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.999324][ T318] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.999636][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.999946][ T318] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 20.000264][ T318] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.000647][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.000954][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.001269][ T318] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.001577][ T318] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.001882][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.002199][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.002506][ T318] ? __create_object (mm/kmemleak.c:771) 
[ 20.002813][ T318] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.003155][ T318] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.003463][ T318] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.003857][ T318] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.004183][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.004498][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.004804][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.005128][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.005434][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.005737][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.006054][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.006363][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.006669][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.006975][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.007294][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.007603][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.007912][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.008236][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.008546][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.008852][ T318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.009173][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.009478][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.009792][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.010113][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.010424][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.010740][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.011061][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.011368][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.011763][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 20.012077][ T318] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.012386][ T318] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.012772][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.013092][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.013410][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.013723][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.014030][ T318] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.014344][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.014657][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 20.014966][ T318] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.015392][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.015720][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.016030][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.016345][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.016726][  T318] RIP: 0033:0x7f8c27bf51e7
[ 20.017051][ T318] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   20.018150][  T318] RSP: 002b:00007ffd409ab598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.018611][  T318] RAX: ffffffffffffffda RBX: 00007ffd409abcc0 RCX: 00007f8c27bf51e7
[   20.019084][  T318] RDX: 0000000000000000 RSI: 00007ffd409ab600 RDI: 0000000000000005
[   20.019541][  T318] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.019999][  T318] R10: 000000003415f910 R11: 0000000000000246 R12: 0000000000000004
[   20.020466][  T318] R13: 00000000686e1d0e R14: 0000000000499600 R15: 0000000000000000
| [   39.072112][  T560] ------------[ cut here ]------------
| [ 39.072459][ T560] WARNING: CPU: 0 PID: 560 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) 
| [   39.073104][  T560] Modules linked in: vrf bridge stp llc veth
| [   39.074191][  T560] Tainted: [W]=WARN
[   39.074434][  T560] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.074834][ T560] 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) 
[ 39.075175][ T560] 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
[   39.076324][  T560] RSP: 0018:ffffc90000e86ef0 EFLAGS: 00010246
[   39.076728][  T560] RAX: 0000000000000000 RBX: ffff88800c71a000 RCX: 0000000000000001
[   39.077216][  T560] RDX: 0000000000000000 RSI: ffffffff9729b941 RDI: ffffffff96a555e0
[   39.077692][  T560] RBP: ffffc90000e86fe0 R08: 0000000000000000 R09: 0000000000000000
[   39.078183][  T560] R10: ffffc90000e87010 R11: ffffffff980a8918 R12: 1ffff920001d0de2
[   39.078669][  T560] R13: 00000000000005dc R14: ffffc90000e87010 R15: ffff88800c71af08
[   39.079172][  T560] FS:  00007fdc859ef800(0000) GS:ffff8880960b7000(0000) knlGS:0000000000000000
[   39.079729][  T560] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.080140][  T560] CR2: 00000000004e5ac8 CR3: 000000000a7d2006 CR4: 0000000000772ef0
[   39.080620][  T560] PKRU: 55555554
[   39.080864][  T560] Call Trace:
[   39.081111][  T560]  <TASK>
[ 39.081276][ T560] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.081596][ T560] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.081919][ T560] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 39.082246][ T560] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 39.082648][ T560] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 39.082971][ T560] netif_set_mtu (net/core/dev.c:9652) 
[ 39.083335][ T560] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 39.083669][ T560] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 39.084119][ T560] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 39.084362][ T560] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 39.084793][ T560] br_add_if (net/bridge/br_if.c:697) bridge 
[ 39.085167][ T560] do_set_master (net/core/rtnetlink.c:2948) 
[ 39.085494][ T560] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 39.085824][ T560] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.086236][ T560] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.086556][ T560] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.086884][ T560] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.087219][ T560] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.087542][ T560] ? __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) 
[ 39.087867][ T560] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.088272][ T560] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.088596][ T560] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.088913][ T560] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.089242][ T560] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.089561][ T560] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.089881][ T560] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.090206][ T560] ? __create_object (mm/kmemleak.c:771) 
[ 39.090537][ T560] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.090858][ T560] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.091212][ T560] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.091615][ T560] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.091943][ T560] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.092278][ T560] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.092596][ T560] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.092919][ T560] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.093265][ T560] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.093582][ T560] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.093903][ T560] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.094230][ T560] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.094556][ T560] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.094878][ T560] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.095214][ T560] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.095554][ T560] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.095881][ T560] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.096226][ T560] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.096543][ T560] ? 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) 
[ 39.096867][ T560] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 39.097200][ T560] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.097517][ T560] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.097847][ T560] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.098178][ T560] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.098497][ T560] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.098827][ T560] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.099164][ T560] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.099485][ T560] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.099892][ T560] ___sys_sendmsg (net/socket.c:2670) 
[ 39.100228][ T560] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.100548][ T560] ? __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) 
[ 39.100948][ T560] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.101281][ T560] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.101602][ T560] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.101926][ T560] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.102255][ T560] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.102579][ T560] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.102904][ T560] __sys_sendmsg (net/socket.c:2700) 
[ 39.103239][ T560] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.103635][ T560] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.103966][ T560] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.104299][ T560] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.104635][ T560] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.105031][  T560] RIP: 0033:0x7fdc85bbc1e7
[ 39.105378][ T560] 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)
[   39.106525][  T560] RSP: 002b:00007ffe9e04bef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.107011][  T560] RAX: ffffffffffffffda RBX: 00007ffe9e04c620 RCX: 00007fdc85bbc1e7
[   39.107508][  T560] RDX: 0000000000000000 RSI: 00007ffe9e04bf60 RDI: 0000000000000005
[   39.107989][  T560] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   39.108477][  T560] R10: 0000000023ab4910 R11: 0000000000000246 R12: 0000000000000003
[   39.108959][  T560] R13: 00000000686e1d21 R14: 0000000000499600 R15: 0000000000000000
| [   39.374245][  T565] ------------[ cut here ]------------
| [ 39.374578][ T565] WARNING: CPU: 3 PID: 565 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) 
| [   39.375221][  T565] Modules linked in: vrf bridge stp llc veth
| [   39.376300][  T565] Tainted: [W]=WARN
[   39.376543][  T565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.376946][ T565] 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) 
[ 39.377285][ T565] 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
[   39.378439][  T565] RSP: 0018:ffffc90000eb6f70 EFLAGS: 00010246
[   39.378846][  T565] RAX: 0000000000000000 RBX: ffff88800c71a000 RCX: 0000000000000001
[   39.379338][  T565] RDX: 0000000000000000 RSI: ffffffff9729b941 RDI: ffffffff96a555e0
[   39.379816][  T565] RBP: ffffc90000eb7058 R08: 0000000000000000 R09: 0000000000000000
[   39.380310][  T565] R10: ffffc90000eb7088 R11: ffffffff93600130 R12: 1ffff920001d6df2
[   39.380787][  T565] R13: 00000000000005dc R14: ffffc90000eb7088 R15: ffff88800c71af08
[   39.381279][  T565] FS:  00007f2fc5488800(0000) GS:ffff888096237000(0000) knlGS:0000000000000000
[   39.381840][  T565] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.382256][  T565] CR2: 00000000004e5ac8 CR3: 0000000009e53006 CR4: 0000000000772ef0
[   39.382740][  T565] PKRU: 55555554
[   39.382981][  T565] Call Trace:
[   39.383272][  T565]  <TASK>
[ 39.383428][ T565] ? __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) 
[ 39.383830][ T565] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 39.384196][ T565] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 39.384519][ T565] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 39.384838][ T565] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.385168][ T565] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 39.385485][ T565] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.385802][ T565] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.386132][ T565] ? ___sys_sendmsg (net/socket.c:2670) 
[ 39.386449][ T565] ? __sys_sendmsg (net/socket.c:2700) 
[ 39.386766][ T565] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.387097][ T565] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 39.387494][ T565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.387822][ T565] netif_set_mtu (net/core/dev.c:9652) 
[ 39.388149][ T565] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 39.388486][ T565] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 39.388731][ T565] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 39.389174][ T565] br_del_if (net/bridge/br_if.c:743) bridge 
[ 39.389533][ T565] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 39.389853][ T565] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 39.390186][ T565] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 39.390511][ T565] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.390917][ T565] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.391248][ T565] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.391568][ T565] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.391896][ T565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.392232][ T565] ? __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) 
[ 39.392554][ T565] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.392949][ T565] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.393297][ T565] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.393618][ T565] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.393936][ T565] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.394286][ T565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.394607][ T565] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.394922][ T565] ? __create_object (mm/kmemleak.c:771) 
[ 39.395255][ T565] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.395576][ T565] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.395896][ T565] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.396304][ T565] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.396634][ T565] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.396962][ T565] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.397290][ T565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.397615][ T565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.397931][ T565] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.398256][ T565] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.398578][ T565] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.398899][ T565] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.399229][ T565] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.399559][ T565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.399884][ T565] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.400213][ T565] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.400537][ T565] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.400869][ T565] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.401198][ T565] ? 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) 
[ 39.401521][ T565] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 39.401850][ T565] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.402178][ T565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.402501][ T565] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.402827][ T565] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.403163][ T565] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.403494][ T565] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.403817][ T565] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.404151][ T565] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.404564][ T565] ___sys_sendmsg (net/socket.c:2670) 
[ 39.404881][ T565] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.405213][ T565] ? __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) 
[ 39.405613][ T565] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.405937][ T565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.406268][ T565] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.406605][ T565] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.406926][ T565] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.407254][ T565] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.407585][ T565] __sys_sendmsg (net/socket.c:2700) 
[ 39.407904][ T565] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.408308][ T565] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.408640][ T565] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.408970][ T565] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.409299][ T565] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.409697][  T565] RIP: 0033:0x7f2fc56551e7
[ 39.410029][ T565] 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)
[   39.411178][  T565] RSP: 002b:00007fffb99b0b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.411674][  T565] RAX: ffffffffffffffda RBX: 00007fffb99b1240 RCX: 00007f2fc56551e7
[   39.412166][  T565] RDX: 0000000000000000 RSI: 00007fffb99b0b80 RDI: 0000000000000005
[   39.412650][  T565] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   39.413137][  T565] R10: 00007f2fc5552ee8 R11: 0000000000000246 R12: 0000000000000002
[   39.413627][  T565] R13: 00000000686e1d22 R14: 0000000000499600 R15: 0000000000000000
| [   40.620425][  T580] ------------[ cut here ]------------
| [ 40.620746][ T580] WARNING: CPU: 0 PID: 580 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.621357][  T580] Modules linked in: vrf bridge stp llc veth
| [   40.623463][  T580] Tainted: [W]=WARN
[   40.623709][  T580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.624100][ T580] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.624413][ T580] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.625502][  T580] RSP: 0018:ffffc90000f26ef0 EFLAGS: 00010246
[   40.625884][  T580] RAX: 0000000000000000 RBX: ffff88800c71a000 RCX: 0000000000000001
[   40.626352][  T580] RDX: 0000000000000000 RSI: ffffffff9729b941 RDI: ffffffff96a555e0
[   40.626804][  T580] RBP: ffffc90000f26fe0 R08: 0000000000000000 R09: 0000000000000000
[   40.627265][  T580] R10: ffffc90000f27010 R11: ffffffff980a8918 R12: 1ffff920001e4de2
[   40.627723][  T580] R13: 00000000000005dc R14: ffffc90000f27010 R15: ffff88800c71af08
[   40.628187][  T580] FS:  00007f560377a800(0000) GS:ffff8880960b7000(0000) knlGS:0000000000000000
[   40.628727][  T580] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.629116][  T580] CR2: 00000000004e5ac8 CR3: 000000000c14d002 CR4: 0000000000772ef0
[   40.629577][  T580] PKRU: 55555554
[   40.629805][  T580] Call Trace:
[   40.630030][  T580]  <TASK>
[ 40.630198][ T580] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.630504][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.630910][ T580] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 40.631225][ T580] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 40.631606][ T580] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 40.631911][ T580] netif_set_mtu (net/core/dev.c:9652) 
[ 40.632220][ T580] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 40.632541][ T580] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 40.632962][ T580] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 40.633304][ T580] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 40.633726][ T580] br_add_if (net/bridge/br_if.c:697) bridge 
[ 40.634083][ T580] do_set_master (net/core/rtnetlink.c:2948) 
[ 40.634394][ T580] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.634703][ T580] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.635097][ T580] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.635407][ T580] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.635714][ T580] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.636023][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.636337][ T580] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.636643][ T580] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.637020][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.637335][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.637636][ T580] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.637970][ T580] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.638284][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.638586][ T580] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.638885][ T580] ? __create_object (mm/kmemleak.c:771) 
[ 40.639202][ T580] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.639508][ T580] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.639811][ T580] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.640201][ T580] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.640512][ T580] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.640822][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.641136][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.641445][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.641748][ T580] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.642056][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.642360][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.642667][ T580] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.642972][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.643329][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.643643][ T580] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.643948][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.644263][ T580] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.644578][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.644882][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.645196][ T580] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.645502][ T580] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.645812][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.646145][ T580] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.646452][ T580] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.646755][ T580] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.647089][ T580] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.647398][ T580] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.647702][ T580] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.648100][ T580] ___sys_sendmsg (net/socket.c:2670) 
[ 40.648403][ T580] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.648704][ T580] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.649108][ T580] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.649422][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.649727][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.650051][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.650355][ T580] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.650658][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.650969][ T580] __sys_sendmsg (net/socket.c:2700) 
[ 40.651280][ T580] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.651657][ T580] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.651978][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.652293][ T580] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.652599][ T580] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.653017][  T580] RIP: 0033:0x7f56039471e7
[ 40.653351][ T580] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.654442][  T580] RSP: 002b:00007ffe83dcc7b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.654903][  T580] RAX: ffffffffffffffda RBX: 00007ffe83dccee0 RCX: 00007f56039471e7
[   40.655365][  T580] RDX: 0000000000000000 RSI: 00007ffe83dcc820 RDI: 0000000000000005
[   40.655820][  T580] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   40.656285][  T580] R10: 000000000aa4a910 R11: 0000000000000246 R12: 0000000000000003
[   40.656790][  T580] R13: 00000000686e1d23 R14: 0000000000499600 R15: 0000000000000000
| [   40.929207][  T585] ------------[ cut here ]------------
| [ 40.929522][ T585] WARNING: CPU: 3 PID: 585 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.930135][  T585] Modules linked in: vrf bridge stp llc veth
| [   40.931246][  T585] Tainted: [W]=WARN
[   40.931494][  T585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.931876][ T585] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.932197][ T585] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.933307][  T585] RSP: 0018:ffffc90000c06f70 EFLAGS: 00010246
[   40.933694][  T585] RAX: 0000000000000000 RBX: ffff88800c71a000 RCX: 0000000000000001
[   40.934858][  T585] RDX: 0000000000000000 RSI: ffffffff9729b941 RDI: ffffffff96a555e0
[   40.935331][  T585] RBP: ffffc90000c07058 R08: 0000000000000000 R09: 0000000000000000
[   40.935790][  T585] R10: ffffc90000c07088 R11: ffffffff97779160 R12: 1ffff92000180df2
[   40.936257][  T585] R13: 00000000000005dc R14: ffffc90000c07088 R15: ffff88800c71af08
[   40.936714][  T585] FS:  00007ff665a0a800(0000) GS:ffff888096237000(0000) knlGS:0000000000000000
[   40.937265][  T585] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.937646][  T585] CR2: 00000000004e5ac8 CR3: 000000000bbce002 CR4: 0000000000772ef0
[   40.938110][  T585] PKRU: 55555554
[   40.938341][  T585] Call Trace:
[   40.938567][  T585]  <TASK>
[ 40.938719][ T585] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.939108][ T585] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 40.939458][ T585] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 40.939760][ T585] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.940069][ T585] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.940373][ T585] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.940674][ T585] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.940973][ T585] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.941285][ T585] ? ___sys_sendmsg (net/socket.c:2670) 
[ 40.941588][ T585] ? __sys_sendmsg (net/socket.c:2700) 
[ 40.941894][ T585] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.942205][ T585] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 40.942580][ T585] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.942890][ T585] netif_set_mtu (net/core/dev.c:9652) 
[ 40.943218][ T585] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 40.943596][ T585] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 40.943843][ T585] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 40.944299][ T585] br_del_if (net/bridge/br_if.c:743) bridge 
[ 40.944658][ T585] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 40.944980][ T585] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 40.945311][ T585] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.945634][ T585] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.946052][ T585] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.946373][ T585] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.946696][ T585] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.947027][ T585] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.947382][ T585] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.947708][ T585] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.948121][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.948446][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.948768][ T585] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.949098][ T585] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.949429][ T585] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.949749][ T585] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.950076][ T585] ? __create_object (mm/kmemleak.c:771) 
[ 40.950406][ T585] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.950731][ T585] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.951059][ T585] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.951462][ T585] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.951797][ T585] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.952134][ T585] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.952457][ T585] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.952786][ T585] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.953116][ T585] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.953445][ T585] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.953768][ T585] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.954098][ T585] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.954429][ T585] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.954755][ T585] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.955088][ T585] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.955408][ T585] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.955731][ T585] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.956075][ T585] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.956394][ T585] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.956721][ T585] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.957059][ T585] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.957381][ T585] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.957705][ T585] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.958034][ T585] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.958369][ T585] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.958695][ T585] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.959019][ T585] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.959356][ T585] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.959768][ T585] ___sys_sendmsg (net/socket.c:2670) 
[ 40.960096][ T585] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.960416][ T585] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.960816][ T585] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.961147][ T585] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.961483][ T585] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.961809][ T585] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.962140][ T585] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.962462][ T585] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.962793][ T585] __sys_sendmsg (net/socket.c:2700) 
[ 40.963120][ T585] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.963527][ T585] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.963865][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.964205][ T585] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.964527][ T585] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.964925][  T585] RIP: 0033:0x7ff665bd71e7
[ 40.965267][ T585] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.966426][  T585] RSP: 002b:00007fff78e23698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.966911][  T585] RAX: ffffffffffffffda RBX: 00007fff78e23dc0 RCX: 00007ff665bd71e7
[   40.967402][  T585] RDX: 0000000000000000 RSI: 00007fff78e23700 RDI: 0000000000000005
[   40.967887][  T585] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   40.968385][  T585] R10: 00007ff665ad4ee8 R11: 0000000000000246 R12: 0000000000000002
[   40.968865][  T585] R13: 00000000686e1d23 R14: 0000000000499600 R15: 0000000000000000
| [  101.230561][ T1326] ------------[ cut here ]------------
| [ 101.230936][ T1326] WARNING: CPU: 1 PID: 1326 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) 
| [  101.231565][ T1326] Modules linked in: vrf bridge stp llc veth
| [  101.232585][ T1326] Tainted: [W]=WARN
[  101.232814][ T1326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 101.233205][ T1326] 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) 
[ 101.233533][ T1326] 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
[  101.234632][ T1326] RSP: 0018:ffffc90002256ef0 EFLAGS: 00010246
[  101.235014][ T1326] RAX: 0000000000000000 RBX: ffff88800c71a000 RCX: 0000000000000001
[  101.235492][ T1326] RDX: 0000000000000000 RSI: ffffffff9729b941 RDI: ffffffff96a555e0
[  101.235960][ T1326] RBP: ffffc90002256fe0 R08: 0000000000000000 R09: 0000000000000000
[  101.237881][ T1326] R10: ffffc90002257010 R11: ffffffff980a8918 R12: 1ffff9200044ade2
[  101.238347][ T1326] R13: 00000000000005dc R14: ffffc90002257010 R15: ffff88800c71af08
[  101.238798][ T1326] FS:  00007fa99cd9e800(0000) GS:ffff888096137000(0000) knlGS:0000000000000000
[  101.239351][ T1326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.239746][ T1326] CR2: 00000000004e5ac8 CR3: 000000000c757005 CR4: 0000000000772ef0
[  101.240210][ T1326] PKRU: 55555554
[  101.240440][ T1326] Call Trace:
[  101.240695][ T1326]  <TASK>
[ 101.240855][ T1326] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 101.241170][ T1326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.241481][ T1326] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 101.241790][ T1326] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 101.242175][ T1326] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 101.242479][ T1326] netif_set_mtu (net/core/dev.c:9652) 
[ 101.242780][ T1326] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 101.243113][ T1326] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 101.243547][ T1326] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 101.243776][ T1326] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 101.244203][ T1326] br_add_if (net/bridge/br_if.c:697) bridge 
[ 101.244551][ T1326] do_set_master (net/core/rtnetlink.c:2948) 
[ 101.244857][ T1326] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 101.245172][ T1326] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 101.245554][ T1326] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 101.245859][ T1326] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 101.246174][ T1326] ? __kernel_text_address (kernel/extable.c:79) 
[ 101.246483][ T1326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.246789][ T1326] ? __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) 
[ 101.247111][ T1326] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 101.247488][ T1326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.247791][ T1326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.248140][ T1326] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 101.248479][ T1326] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 101.248797][ T1326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.249130][ T1326] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 101.249434][ T1326] ? __create_object (mm/kmemleak.c:771) 
[ 101.249761][ T1326] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 101.250076][ T1326] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 101.250382][ T1326] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 101.250758][ T1326] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 101.251108][ T1326] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 101.251420][ T1326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.251722][ T1326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.252029][ T1326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.252343][ T1326] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 101.252644][ T1326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.252949][ T1326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.253274][ T1326] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 101.253612][ T1326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.253945][ T1326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.254271][ T1326] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 101.254575][ T1326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.254880][ T1326] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 101.255221][ T1326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 101.255526][ T1326] ? 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) 
[ 101.255840][ T1326] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 101.256154][ T1326] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 101.256457][ T1326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.256763][ T1326] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 101.257077][ T1326] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 101.257383][ T1326] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 101.257693][ T1326] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 101.258007][ T1326] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 101.258345][ T1326] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 101.258736][ T1326] ___sys_sendmsg (net/socket.c:2670) 
[ 101.259036][ T1326] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 101.259362][ T1326] ? __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) 
[ 101.259741][ T1326] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 101.260055][ T1326] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 101.260363][ T1326] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 101.260670][ T1326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.260981][ T1326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.261294][ T1326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.261597][ T1326] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 101.261902][ T1326] __sys_sendmsg (net/socket.c:2700) 
[ 101.262209][ T1326] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 101.262584][ T1326] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 101.262905][ T1326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.263238][ T1326] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 101.263548][ T1326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  101.263921][ T1326] RIP: 0033:0x7fa99cf6b1e7
[ 101.264240][ T1326] 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)
[  101.265325][ T1326] RSP: 002b:00007ffd204f0128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  101.265785][ T1326] RAX: ffffffffffffffda RBX: 00007ffd204f0850 RCX: 00007fa99cf6b1e7
[  101.266252][ T1326] RDX: 0000000000000000 RSI: 00007ffd204f0190 RDI: 0000000000000005
[  101.266708][ T1326] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  101.267182][ T1326] R10: 0000000018b27910 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