======================================
| [   20.174852][  T316] veth1: entered promiscuous mode
| [   20.177145][  T316] ------------[ cut here ]------------
| [ 20.177491][ T316] WARNING: CPU: 3 PID: 316 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.178125][  T316] Modules linked in: vrf bridge stp llc veth
[   20.180265][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.180673][ T316] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.181008][ T316] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.182144][  T316] RSP: 0018:ffffc90000776ef0 EFLAGS: 00010246
[   20.182560][  T316] RAX: 0000000000000000 RBX: ffff8880025e2000 RCX: 0000000000000001
[   20.183042][  T316] RDX: 0000000000000000 RSI: ffffffff9249b939 RDI: ffffffff91c555e0
[   20.183521][  T316] RBP: ffffc90000776fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.184023][  T316] R10: ffffc90000777010 R11: ffffffff932a8918 R12: 1ffff920000eede2
[   20.184542][  T316] R13: 00000000000005dc R14: ffffc90000777010 R15: ffff8880025e2f08
[   20.185257][  T316] FS:  00007f69938de800(0000) GS:ffff8880a1e37000(0000) knlGS:0000000000000000
[   20.185832][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.186230][  T316] CR2: 00000000004e5aa8 CR3: 000000000bcee006 CR4: 0000000000772ef0
[   20.186718][  T316] PKRU: 55555554
[   20.186994][  T316] Call Trace:
[   20.187263][  T316]  <TASK>
[ 20.187446][ T316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.187772][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.188127][ T316] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.188460][ T316] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.188847][ T316] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.189166][ T316] netif_set_mtu (net/core/dev.c:9652) 
[ 20.189494][ T316] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.189823][ T316] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.190258][ T316] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.190528][ T316] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.190954][ T316] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.191333][ T316] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 20.191669][ T316] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.191993][ T316] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.192398][ T316] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.192718][ T316] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.193024][ T316] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.193334][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.193667][ T316] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 20.193980][ T316] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.194383][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.194695][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.195007][ T316] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.195315][ T316] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.195629][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.195964][ T316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.196277][ T316] ? __create_object (mm/kmemleak.c:771) 
[ 20.196594][ T316] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.196936][ T316] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.197254][ T316] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.197665][ T316] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.197989][ T316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.198312][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.198626][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.198940][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.199256][ T316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.199569][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.199886][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.200193][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.200524][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.200839][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.201163][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.201489][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.201803][ T316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.202128][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.202451][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.202761][ T316] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.203073][ T316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.203388][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.203719][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.204036][ T316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.204353][ T316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.204690][ T316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.205008][ T316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.205323][ T316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.205728][ T316] ___sys_sendmsg (net/socket.c:2670) 
[ 20.206039][ T316] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.206349][ T316] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.206749][ T316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.207084][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.207413][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.207734][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.208064][ T316] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.208396][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.208717][ T316] __sys_sendmsg (net/socket.c:2700) 
[ 20.209030][ T316] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.209430][ T316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.209753][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.210065][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.210381][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.210774][  T316] RIP: 0033:0x7f6993aab1e7
[ 20.211099][ T316] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   20.212267][  T316] RSP: 002b:00007ffc16caa4b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.212754][  T316] RAX: ffffffffffffffda RBX: 00007ffc16caabe0 RCX: 00007f6993aab1e7
[   20.213231][  T316] RDX: 0000000000000000 RSI: 00007ffc16caa520 RDI: 0000000000000005
[   20.213710][  T316] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.214174][  T316] R10: 000000000f060910 R11: 0000000000000246 R12: 0000000000000004
[   20.214643][  T316] R13: 00000000686e6560 R14: 0000000000499600 R15: 0000000000000000
| [   20.359994][  T318] ------------[ cut here ]------------
| [ 20.360336][ T318] WARNING: CPU: 3 PID: 318 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.361007][  T318] Modules linked in: vrf bridge stp llc veth
| [   20.362110][  T318] Tainted: [W]=WARN
[   20.362371][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.362781][ T318] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.363119][ T318] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.364284][  T318] RSP: 0000:ffffc90000636ef0 EFLAGS: 00010246
[   20.364698][  T318] RAX: 0000000000000000 RBX: ffff8880025e2000 RCX: 0000000000000001
[   20.365182][  T318] RDX: 0000000000000000 RSI: ffffffff9249b939 RDI: ffffffff91c555e0
[   20.365680][  T318] RBP: ffffc90000636fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.366168][  T318] R10: ffffc90000637010 R11: ffffffff932a8918 R12: 1ffff920000c6de2
[   20.366670][  T318] R13: 00000000000005dc R14: ffffc90000637010 R15: ffff8880025e2f08
[   20.367167][  T318] FS:  00007f884f5e5800(0000) GS:ffff8880a1e37000(0000) knlGS:0000000000000000
[   20.367741][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.368149][  T318] CR2: 00007fc713cb95a0 CR3: 00000000051d9002 CR4: 0000000000772ef0
[   20.368644][  T318] PKRU: 55555554
[   20.368891][  T318] Call Trace:
[   20.369134][  T318]  <TASK>
[ 20.369302][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.369632][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.369970][ T318] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.370312][ T318] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.370724][ T318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.371052][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 20.371382][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.371722][ T318] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.372171][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.372424][ T318] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.372868][ T318] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.373242][ T318] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 20.373579][ T318] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.373906][ T318] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.374313][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.374664][ T318] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.374986][ T318] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.375322][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.375665][ 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) 
[ 20.375990][ T318] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.376397][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.376722][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.377077][ T318] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.377409][ T318] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.377733][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.378065][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.378395][ T318] ? __create_object (mm/kmemleak.c:771) 
[ 20.378719][ T318] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.379046][ T318] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.379381][ T318] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.379784][ T318] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.380118][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.380461][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.380788][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.381122][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.381453][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.381771][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.382093][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.382428][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.382753][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.383086][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.383434][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.383787][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.384111][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.384467][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.384796][ 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) 
[ 20.385122][ T318] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.385479][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.385804][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.386137][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.386478][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.386804][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.387161][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.387500][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.387828][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.388244][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 20.388579][ T318] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.388911][ 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) 
[ 20.389339][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.389675][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.390004][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.390337][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.390666][ 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) 
[ 20.390998][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.391326][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 20.391655][ T318] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.392053][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.392395][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.392718][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.393044][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.393453][  T318] RIP: 0033:0x7f884f7b21e7
[ 20.393797][ 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)
[   20.394949][  T318] RSP: 002b:00007fffbea9ddd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.395456][  T318] RAX: ffffffffffffffda RBX: 00007fffbea9e500 RCX: 00007f884f7b21e7
[   20.395947][  T318] RDX: 0000000000000000 RSI: 00007fffbea9de40 RDI: 0000000000000005
[   20.396437][  T318] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.396930][  T318] R10: 0000000027390910 R11: 0000000000000246 R12: 0000000000000004
[   20.397426][  T318] R13: 00000000686e6561 R14: 0000000000499600 R15: 0000000000000000
| [   40.616250][  T559] ------------[ cut here ]------------
| [ 40.616586][ T559] WARNING: CPU: 1 PID: 559 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.617229][  T559] Modules linked in: vrf bridge stp llc veth
| [   40.618271][  T559] Tainted: [W]=WARN
[   40.618528][  T559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.618921][ T559] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.619287][ T559] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   40.621459][  T559] RSP: 0018:ffffc90000e46ef0 EFLAGS: 00010246
[   40.621855][  T559] RAX: 0000000000000000 RBX: ffff8880025e2000 RCX: 0000000000000001
[   40.622342][  T559] RDX: 0000000000000000 RSI: ffffffff9249b939 RDI: ffffffff91c555e0
[   40.622828][  T559] RBP: ffffc90000e46fe0 R08: 0000000000000000 R09: 0000000000000000
[   40.623302][  T559] R10: ffffc90000e47010 R11: ffffffff932a8918 R12: 1ffff920001c8de2
[   40.623771][  T559] R13: 00000000000005dc R14: ffffc90000e47010 R15: ffff8880025e2f08
[   40.624241][  T559] FS:  00007f838b315800(0000) GS:ffff8880a1d37000(0000) knlGS:0000000000000000
[   40.624808][  T559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.625221][  T559] CR2: 00000000004e5ac8 CR3: 000000000cab1002 CR4: 0000000000772ef0
[   40.625708][  T559] PKRU: 55555554
[   40.625939][  T559] Call Trace:
[   40.626185][  T559]  <TASK>
[ 40.626350][ T559] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.626680][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.627021][ T559] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 40.627352][ T559] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 40.627746][ T559] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 40.628054][ T559] netif_set_mtu (net/core/dev.c:9652) 
[ 40.628399][ T559] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 40.628714][ T559] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 40.629140][ T559] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 40.629401][ T559] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 40.629820][ T559] br_add_if (net/bridge/br_if.c:697) bridge 
[ 40.630179][ T559] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 40.630530][ T559] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.630847][ T559] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.631249][ T559] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.631570][ T559] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.631873][ T559] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.632183][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.632519][ T559] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.632835][ T559] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.633215][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.633573][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.633880][ T559] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.634185][ T559] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.634537][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.634845][ T559] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.635148][ T559] ? __create_object (mm/kmemleak.c:771) 
[ 40.635486][ T559] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.635792][ T559] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.636096][ T559] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.636501][ T559] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.636813][ T559] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.637136][ T559] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.637459][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.637781][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.638112][ T559] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.638455][ T559] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.638771][ T559] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.639071][ T559] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.639400][ T559] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.639709][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.640023][ T559] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.640335][ T559] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.640670][ T559] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.640988][ T559] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.641289][ T559] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.641624][ T559] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.641934][ T559] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.642237][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.642587][ T559] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.642897][ T559] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.643204][ T559] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.643543][ T559] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.643852][ T559] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.644157][ T559] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.644577][ T559] ___sys_sendmsg (net/socket.c:2670) 
[ 40.644889][ T559] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.645194][ T559] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.645602][ T559] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.645909][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.646218][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.646559][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.646865][ T559] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.647188][ T559] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.647544][ T559] __sys_sendmsg (net/socket.c:2700) 
[ 40.647863][ T559] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.648241][ T559] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.648579][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.648894][ T559] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.649198][ T559] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.649598][  T559] RIP: 0033:0x7f838b4e21e7
[ 40.649927][ T559] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.651047][  T559] RSP: 002b:00007ffc09336698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.651526][  T559] RAX: ffffffffffffffda RBX: 00007ffc09336dc0 RCX: 00007f838b4e21e7
[   40.652010][  T559] RDX: 0000000000000000 RSI: 00007ffc09336700 RDI: 0000000000000005
[   40.652476][  T559] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   40.652949][  T559] R10: 000000002c34a910 R11: 0000000000000246 R12: 0000000000000003
[   40.653426][  T559] R13: 00000000686e6575 R14: 0000000000499600 R15: 0000000000000000
| [   40.919199][  T564] ------------[ cut here ]------------
| [ 40.921016][ T564] WARNING: CPU: 1 PID: 564 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.921657][  T564] Modules linked in: vrf bridge stp llc veth
| [   40.922702][  T564] Tainted: [W]=WARN
[   40.922934][  T564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.923320][ T564] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.923641][ T564] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   40.924741][  T564] RSP: 0018:ffffc90000e66f70 EFLAGS: 00010246
[   40.925124][  T564] RAX: 0000000000000000 RBX: ffff8880025e2000 RCX: 0000000000000001
[   40.925588][  T564] RDX: 0000000000000000 RSI: ffffffff9249b939 RDI: ffffffff91c555e0
[   40.926046][  T564] RBP: ffffc90000e67058 R08: 0000000000000000 R09: 0000000000000000
[   40.926509][  T564] R10: ffffc90000e67088 R11: ffffffff8e800130 R12: 1ffff920001ccdf2
[   40.926983][  T564] R13: 00000000000005dc R14: ffffc90000e67088 R15: ffff8880025e2f08
[   40.927446][  T564] FS:  00007fc797dc8800(0000) GS:ffff8880a1d37000(0000) knlGS:0000000000000000
[   40.927978][  T564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.928359][  T564] CR2: 00000000004e5ac8 CR3: 000000000a993005 CR4: 0000000000772ef0
[   40.928834][  T564] PKRU: 55555554
[   40.929061][  T564] Call Trace:
[   40.929290][  T564]  <TASK>
[ 40.929456][ T564] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.929841][ T564] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 40.930190][ T564] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 40.930502][ T564] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.930803][ T564] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.931111][ T564] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.931425][ T564] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.931729][ T564] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.932033][ T564] ? ___sys_sendmsg (net/socket.c:2670) 
[ 40.932353][ T564] ? __sys_sendmsg (net/socket.c:2700) 
[ 40.932767][ T564] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.933076][ T564] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 40.933467][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.933809][ T564] netif_set_mtu (net/core/dev.c:9652) 
[ 40.934118][ T564] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 40.934452][ T564] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 40.934683][ T564] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 40.935124][ T564] br_del_if (net/bridge/br_if.c:743) bridge 
[ 40.935471][ T564] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 40.935816][ T564] do_set_master (net/core/rtnetlink.c:2932) 
[ 40.936135][ T564] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 40.936474][ T564] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.936878][ T564] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.937195][ T564] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.937513][ T564] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.937833][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.938151][ T564] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.938477][ T564] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.938869][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.939183][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.939502][ T564] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.939808][ T564] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.940129][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.940447][ T564] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.940750][ T564] ? __create_object (mm/kmemleak.c:771) 
[ 40.941087][ T564] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.941403][ T564] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.941707][ T564] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.942099][ T564] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.942420][ T564] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.942730][ T564] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.943046][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.943382][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.943691][ T564] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.943999][ T564] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.944312][ T564] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.944625][ T564] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.944933][ T564] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.945254][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.945576][ T564] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.945886][ T564] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.946204][ T564] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.946529][ T564] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.946833][ T564] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.947164][ T564] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.947482][ T564] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.947787][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.948113][ T564] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.948446][ T564] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.948750][ T564] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.949064][ T564] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.949407][ T564] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.949716][ T564] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.950107][ T564] ___sys_sendmsg (net/socket.c:2670) 
[ 40.950439][ T564] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.950742][ T564] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.951129][ T564] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.951466][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.951775][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.952085][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.952412][ T564] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.952724][ T564] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.953082][ T564] __sys_sendmsg (net/socket.c:2700) 
[ 40.953427][ T564] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.953819][ T564] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.954137][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.954477][ T564] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.954792][ T564] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.955192][  T564] RIP: 0033:0x7fc797f951e7
[ 40.955555][ T564] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.956673][  T564] RSP: 002b:00007ffc4ce67c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.957154][  T564] RAX: ffffffffffffffda RBX: 00007ffc4ce683c0 RCX: 00007fc797f951e7
[   40.957671][  T564] RDX: 0000000000000000 RSI: 00007ffc4ce67d00 RDI: 0000000000000005
[   40.958144][  T564] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   40.958628][  T564] R10: 00007fc797e92ee8 R11: 0000000000000246 R12: 0000000000000002
[   40.959092][  T564] R13: 00000000686e6575 R14: 0000000000499600 R15: 0000000000000000
| [   42.181158][  T579] ------------[ cut here ]------------
| [ 42.181494][ T579] WARNING: CPU: 0 PID: 579 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.182112][  T579] Modules linked in: vrf bridge stp llc veth
| [   42.183175][  T579] Tainted: [W]=WARN
[   42.183418][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.183796][ T579] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.184110][ T579] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.185250][  T579] RSP: 0018:ffffc90000ee6ef0 EFLAGS: 00010246
[   42.185645][  T579] RAX: 0000000000000000 RBX: ffff8880025e2000 RCX: 0000000000000001
[   42.186114][  T579] RDX: 0000000000000000 RSI: ffffffff9249b939 RDI: ffffffff91c555e0
[   42.186595][  T579] RBP: ffffc90000ee6fe0 R08: 0000000000000000 R09: 0000000000000000
[   42.187103][  T579] R10: ffffc90000ee7010 R11: ffffffff932a8918 R12: 1ffff920001dcde2
[   42.187582][  T579] R13: 00000000000005dc R14: ffffc90000ee7010 R15: ffff8880025e2f08
[   42.188092][  T579] FS:  00007f49d4155800(0000) GS:ffff8880a1cb7000(0000) knlGS:0000000000000000
[   42.188664][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.189073][  T579] CR2: 00000000004e5ac8 CR3: 0000000009a19005 CR4: 0000000000772ef0
[   42.189545][  T579] PKRU: 55555554
[   42.189789][  T579] Call Trace:
[   42.190041][  T579]  <TASK>
[ 42.190202][ T579] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.190539][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.190864][ T579] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 42.191180][ T579] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 42.191576][ T579] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 42.191885][ T579] netif_set_mtu (net/core/dev.c:9652) 
[ 42.192190][ T579] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.192519][ T579] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 42.192968][ T579] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.193223][ T579] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 42.193668][ T579] br_add_if (net/bridge/br_if.c:697) bridge 
[ 42.194049][ T579] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 42.194359][ T579] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 42.194679][ T579] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.195092][ T579] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.195422][ T579] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.195751][ T579] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.196076][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.196394][ T579] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.196701][ T579] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.197096][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.197430][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.197744][ T579] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.198064][ T579] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.198393][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.198710][ T579] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.199023][ T579] ? __create_object (mm/kmemleak.c:771) 
[ 42.199332][ T579] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.199651][ T579] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.199956][ T579] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.200350][ T579] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.200670][ T579] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.200995][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.201300][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.201638][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.201957][ T579] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.202269][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.202600][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.202918][ T579] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.203236][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.203573][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.203898][ T579] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.204206][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.204529][ T579] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.204855][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.205167][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.205507][ T579] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.205844][ T579] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.206146][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.206469][ T579] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.206795][ T579] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.207120][ T579] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.207466][ T579] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.207780][ T579] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.208084][ T579] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.208489][ T579] ___sys_sendmsg (net/socket.c:2670) 
[ 42.208807][ T579] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.209127][ T579] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.209575][ T579] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.209895][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.210201][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.210538][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.210857][ T579] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.211174][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.211509][ T579] __sys_sendmsg (net/socket.c:2700) 
[ 42.211813][ T579] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.212213][ T579] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.212549][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.212865][ T579] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.213199][ T579] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.213587][  T579] RIP: 0033:0x7f49d43221e7
[ 42.213902][ T579] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.215012][  T579] RSP: 002b:00007ffc75900208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.215493][  T579] RAX: ffffffffffffffda RBX: 00007ffc75900930 RCX: 00007f49d43221e7
[   42.215951][  T579] RDX: 0000000000000000 RSI: 00007ffc75900270 RDI: 0000000000000005
[   42.216413][  T579] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   42.216887][  T579] R10: 0000000026eb5910 R11: 0000000000000246 R12: 0000000000000003
[   42.217378][  T579] R13: 00000000686e6576 R14: 0000000000499600 R15: 0000000000000000
| [   42.494687][  T584] ------------[ cut here ]------------
| [ 42.495229][ T584] WARNING: CPU: 3 PID: 584 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.496285][  T584] Modules linked in: vrf bridge stp llc veth
| [   42.498096][  T584] Tainted: [W]=WARN
[   42.498516][  T584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.499188][ T584] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.500023][ T584] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.501942][  T584] RSP: 0018:ffffc90000f16f70 EFLAGS: 00010246
[   42.502632][  T584] RAX: 0000000000000000 RBX: ffff8880025e2000 RCX: 0000000000000001
[   42.503465][  T584] RDX: 0000000000000000 RSI: ffffffff9249b939 RDI: ffffffff91c555e0
[   42.504294][  T584] RBP: ffffc90000f17058 R08: 0000000000000000 R09: 0000000000000000
[   42.505123][  T584] R10: ffffc90000f17088 R11: ffffffff92979160 R12: 1ffff920001e2df2
[   42.505993][  T584] R13: 00000000000005dc R14: ffffc90000f17088 R15: ffff8880025e2f08
[   42.506823][  T584] FS:  00007fef0c2f3800(0000) GS:ffff8880a1e37000(0000) knlGS:0000000000000000
[   42.507423][  T584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.507812][  T584] CR2: 00000000004e5ac8 CR3: 000000000c9c9006 CR4: 0000000000772ef0
[   42.508285][  T584] PKRU: 55555554
[   42.508526][  T584] Call Trace:
[   42.508758][  T584]  <TASK>
[ 42.508915][ T584] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.509323][ T584] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 42.509685][ T584] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 42.509996][ T584] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 42.510314][ T584] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.510629][ T584] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.510936][ T584] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.511317][ T584] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.511765][ T584] ? ___sys_sendmsg (net/socket.c:2670) 
[ 42.512083][ T584] ? __sys_sendmsg (net/socket.c:2700) 
[ 42.512412][ T584] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.512784][ T584] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 42.513177][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.513506][ T584] netif_set_mtu (net/core/dev.c:9652) 
[ 42.513816][ T584] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.514231][ T584] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.514514][ T584] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 42.515032][ T584] br_del_if (net/bridge/br_if.c:743) bridge 
[ 42.515511][ T584] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 42.515950][ T584] do_set_master (net/core/rtnetlink.c:2932) 
[ 42.516275][ T584] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 42.516628][ T584] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.517172][ T584] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.517743][ T584] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.518124][ T584] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.518543][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.518901][ T584] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.519270][ T584] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.519662][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.520007][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.520436][ T584] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.520802][ T584] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.521180][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.521587][ T584] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.521890][ T584] ? __create_object (mm/kmemleak.c:771) 
[ 42.522238][ T584] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.522803][ T584] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.523219][ T584] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.523622][ T584] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.523937][ T584] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.524312][ T584] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.524672][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.524986][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.525392][ T584] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.525836][ T584] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.526202][ T584] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.526595][ T584] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.526918][ T584] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.527462][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.527939][ T584] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.528259][ T584] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.528578][ T584] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.528894][ T584] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.529334][ T584] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.529659][ T584] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.530143][ T584] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.530475][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.530788][ T584] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.531171][ T584] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.531646][ T584] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.531970][ T584] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.532293][ T584] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.532609][ T584] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.533000][ T584] ___sys_sendmsg (net/socket.c:2670) 
[ 42.533315][ T584] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.533629][ T584] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.534009][ T584] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.534443][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.534754][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.535066][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.535572][ T584] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.535986][ T584] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.536311][ T584] __sys_sendmsg (net/socket.c:2700) 
[ 42.536624][ T584] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.537013][ T584] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.537348][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.537667][ T584] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.537976][ T584] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.538378][  T584] RIP: 0033:0x7fef0c4c01e7
[ 42.538704][ T584] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.539807][  T584] RSP: 002b:00007ffc30ffc748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.540384][  T584] RAX: ffffffffffffffda RBX: 00007ffc30ffce70 RCX: 00007fef0c4c01e7
[   42.540852][  T584] RDX: 0000000000000000 RSI: 00007ffc30ffc7b0 RDI: 0000000000000005
[   42.541319][  T584] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   42.541788][  T584] R10: 00007fef0c3bdee8 R11: 0000000000000246 R12: 0000000000000002
[   42.542251][  T584] R13: 00000000686e6577 R14: 0000000000499600 R15: 0000000000000000
| [  105.533252][ T1324] ------------[ cut here ]------------
| [ 105.533598][ T1324] WARNING: CPU: 2 PID: 1324 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  105.534230][ T1324] Modules linked in: vrf bridge stp llc veth
| [  105.535294][ T1324] Tainted: [W]=WARN
[  105.535554][ T1324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 105.535951][ T1324] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 105.536286][ T1324] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[  105.537441][ T1324] RSP: 0018:ffffc90001ff6ef0 EFLAGS: 00010246
[  105.537847][ T1324] RAX: 0000000000000000 RBX: ffff8880025e2000 RCX: 0000000000000001
[  105.538322][ T1324] RDX: 0000000000000000 RSI: ffffffff9249b939 RDI: ffffffff91c555e0
[  105.538808][ T1324] RBP: ffffc90001ff6fe0 R08: 0000000000000000 R09: 0000000000000000
[  105.539289][ T1324] R10: ffffc90001ff7010 R11: ffffffff932a8918 R12: 1ffff920003fede2
[  105.539784][ T1324] R13: 00000000000005dc R14: ffffc90001ff7010 R15: ffff8880025e2f08
[  105.540258][ T1324] FS:  00007f81d415c800(0000) GS:ffff8880a1db7000(0000) knlGS:0000000000000000
[  105.540819][ T1324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.541223][ T1324] CR2: 00000000004e5ac8 CR3: 000000000f3b0004 CR4: 0000000000772ef0
[  105.541708][ T1324] PKRU: 55555554
[  105.541957][ T1324] Call Trace:
[  105.542206][ T1324]  <TASK>
[ 105.542387][ T1324] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 105.542718][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.543046][ T1324] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 105.543395][ T1324] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 105.543794][ T1324] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 105.544117][ T1324] netif_set_mtu (net/core/dev.c:9652) 
[ 105.544449][ T1324] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 105.544783][ T1324] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 105.545231][ T1324] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 105.545488][ T1324] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 105.545934][ T1324] br_add_if (net/bridge/br_if.c:697) bridge 
[ 105.546298][ T1324] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 105.546641][ T1324] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 105.546963][ T1324] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 105.547407][ T1324] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 105.547736][ T1324] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 105.548053][ T1324] ? __kernel_text_address (kernel/extable.c:79) 
[ 105.548396][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.548720][ T1324] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 105.549043][ T1324] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 105.549452][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.549778][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.550096][ T1324] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 105.550426][ T1324] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 105.550756][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.551076][ T1324] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 105.551406][ T1324] ? __create_object (mm/kmemleak.c:771) 
[ 105.551731][ T1324] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 105.552051][ T1324] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 105.552379][ T1324] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 105.552771][ T1324] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 105.553104][ T1324] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 105.553442][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.553758][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.554086][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.554414][ T1324] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 105.554733][ T1324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.555050][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.555376][ T1324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 105.555709][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.556033][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.556354][ T1324] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 105.556682][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.557017][ T1324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 105.557352][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 105.557679][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 105.558007][ T1324] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 105.558332][ T1324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 105.558662][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.558987][ T1324] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 105.559312][ T1324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 105.559641][ T1324] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 105.559978][ T1324] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 105.560339][ T1324] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 105.560678][ T1324] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 105.561080][ T1324] ___sys_sendmsg (net/socket.c:2670) 
[ 105.561406][ T1324] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 105.561741][ T1324] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 105.562134][ T1324] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 105.562465][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.562797][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.563118][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.563456][ T1324] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 105.563777][ T1324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.564104][ T1324] __sys_sendmsg (net/socket.c:2700) 
[ 105.564434][ T1324] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 105.564829][ T1324] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 105.565158][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.565499][ T1324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 105.565819][ T1324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  105.566213][ T1324] RIP: 0033:0x7f81d43291e7
[ 105.566557][ T1324] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  105.567689][ T1324] RSP: 002b:00007ffc664547b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  105.568167][ T1324] RAX: ffffffffffffffda RBX: 00007ffc66454ee0 RCX: 00007f81d43291e7
[  105.568649][ T1324] RDX: 0000000000000000 RSI: 00007ffc66454820 RDI: 0000000000000005
[  105.569117][ T1324] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  105.569608][ T1324] R10: 0000000004c12910 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