======================================
| 0
| xx__-> [   18.565474][  T303] ------------[ cut here ]------------
| [ 18.566014][ T303] WARNING: CPU: 3 PID: 303 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) 
| [   18.566678][  T303] Modules linked in: vrf veth
[   18.568759][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.569168][ T303] 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) 
[ 18.569498][ T303] 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
[   18.570687][  T303] RSP: 0018:ffffc900006a7140 EFLAGS: 00010246
[   18.571126][  T303] RAX: 0000000000000000 RBX: ffff888008179000 RCX: 0000000000000001
[   18.571637][  T303] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   18.572138][  T303] RBP: ffffc900006a7230 R08: ffff88800bb52000 R09: 0000000000000000
[   18.572600][  T303] R10: ffffc900006a75c8 R11: ffffffff9d050668 R12: 1ffff920000d4e2c
[   18.573087][  T303] R13: 0000000000002710 R14: ffffc900006a7880 R15: ffff888005fa3be0
[   18.573617][  T303] FS:  00007f0fcdce8800(0000) GS:ffff888098037000(0000) knlGS:0000000000000000
[   18.574218][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.574667][  T303] CR2: 00000000004e5aa0 CR3: 0000000009154005 CR4: 0000000000772ef0
[   18.575152][  T303] PKRU: 55555554
[   18.575405][  T303] Call Trace:
[   18.575623][  T303]  <TASK>
[ 18.575805][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.576158][ T303] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.576455][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.576771][ T303] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 18.577117][ T303] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 18.577439][ T303] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.577768][ T303] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 18.578423][ T303] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.578813][ T303] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.579101][ T303] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.579400][ T303] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.579696][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.579994][ T303] ? __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) 
[ 18.580308][ T303] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.580720][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.581011][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.581326][ T303] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.581626][ T303] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.581923][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.582257][ T303] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.582554][ T303] ? __create_object (mm/kmemleak.c:771) 
[ 18.582894][ T303] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.583215][ T303] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.583520][ T303] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.583885][ T303] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.584190][ T303] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.584488][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.584803][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.585163][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.585468][ T303] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.585832][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.586156][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.586533][ T303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.586837][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.587173][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.587524][ T303] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.587859][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.588170][ T303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.588474][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.588767][ T303] ? 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) 
[ 18.589078][ T303] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 18.589394][ T303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.589694][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.590031][ T303] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.590349][ T303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.590684][ T303] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.591015][ T303] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.591342][ T303] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.591694][ T303] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.592098][ T303] ___sys_sendmsg (net/socket.c:2670) 
[ 18.592446][ T303] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.592758][ T303] ? __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) 
[ 18.593162][ T303] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.593628][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.593982][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.594347][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.594697][ T303] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.595012][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.595404][ T303] __sys_sendmsg (net/socket.c:2700) 
[ 18.595701][ T303] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.596111][ T303] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.596436][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.596796][ T303] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.597166][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.597529][  T303] RIP: 0033:0x7f0fcdeb51e7
[ 18.597840][ T303] 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)
[   18.598926][  T303] RSP: 002b:00007fffe4681e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.599378][  T303] RAX: ffffffffffffffda RBX: 00007fffe4682550 RCX: 00007f0fcdeb51e7
[   18.599821][  T303] RDX: 0000000000000000 RSI: 00007fffe4681e90 RDI: 0000000000000005
[   18.600294][  T303] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   18.600838][  T303] R10: 00007f0fcddb2ee8 R11: 0000000000000246 R12: 0000000000000004
[   18.601318][  T303] R13: 00000000686e1490 R14: 0000000000499600 R15: 0000000000000000
| [   21.235621][  T345] ------------[ cut here ]------------
| [ 21.236016][ T345] WARNING: CPU: 2 PID: 345 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.236614][  T345] Modules linked in: 8021q vrf veth
| [   21.238786][  T345] Tainted: [W]=WARN
[   21.239027][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.239392][ T345] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.239700][ T345] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.240710][  T345] RSP: 0018:ffffc900005f7140 EFLAGS: 00010246
[   21.241072][  T345] RAX: 0000000000000000 RBX: ffff888004ff4000 RCX: 0000000000000001
[   21.241513][  T345] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   21.242005][  T345] RBP: ffffc900005f7230 R08: ffff88800b96a000 R09: 0000000000000000
[   21.242448][  T345] R10: ffffc900005f75c8 R11: ffffffff9d050668 R12: 1ffff920000bee2c
[   21.242886][  T345] R13: 0000000000002710 R14: ffffc900005f7880 R15: ffff888009856360
[   21.243326][  T345] FS:  00007fd4a9834800(0000) GS:ffff888097fb7000(0000) knlGS:0000000000000000
[   21.243818][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.244200][  T345] CR2: 00000000004e5ab8 CR3: 000000000d04b006 CR4: 0000000000772ef0
[   21.244636][  T345] PKRU: 55555554
[   21.244859][  T345] Call Trace:
[   21.245083][  T345]  <TASK>
[ 21.245251][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.245580][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.245889][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.246195][ T345] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.246493][ T345] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 21.246786][ T345] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 21.247096][ T345] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 21.247402][ T345] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.247769][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.248059][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.248360][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.248658][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.248954][ T345] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.249260][ T345] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.249651][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.249954][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.250256][ T345] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.250547][ T345] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.250842][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.251130][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.251432][ T345] ? __create_object (mm/kmemleak.c:771) 
[ 21.251799][ T345] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.252095][ T345] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.252398][ T345] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.252753][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.253048][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.253373][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.253705][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.254010][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.254310][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.254598][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.254887][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.255182][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.255469][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.255773][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.256066][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.256367][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.256741][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.257275][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.257762][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.258303][ T345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.258827][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.259352][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.259889][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.260432][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.260944][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.261488][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.261858][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.262168][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.262535][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 21.262856][ T345] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.263157][ T345] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.263516][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.263806][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.264100][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.264401][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.264697][ T345] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.264999][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.265320][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 21.265609][ T345] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.265963][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.266271][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.266568][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.266858][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.267221][  T345] RIP: 0033:0x7fd4a9a011e7
[ 21.267525][ T345] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.268527][  T345] RSP: 002b:00007ffe8b14a1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.268958][  T345] RAX: ffffffffffffffda RBX: 00007ffe8b14a900 RCX: 00007fd4a9a011e7
[   21.269486][  T345] RDX: 0000000000000000 RSI: 00007ffe8b14a240 RDI: 0000000000000005
[   21.269912][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   21.270349][  T345] R10: 00007fd4a98feee8 R11: 0000000000000246 R12: 0000000000000004
[   21.270777][  T345] R13: 00000000686e1492 R14: 0000000000499600 R15: 0000000000000000
| [   24.738338][  T403] ------------[ cut here ]------------
| [ 24.738682][ T403] WARNING: CPU: 0 PID: 403 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) 
| [   24.740603][  T403] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   24.741766][  T403] Tainted: [W]=WARN
[   24.741994][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.742375][ T403] 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) 
[ 24.742680][ T403] 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
[   24.743731][  T403] RSP: 0018:ffffc90000627140 EFLAGS: 00010246
[   24.744096][  T403] RAX: 0000000000000000 RBX: ffff888008159000 RCX: 0000000000000001
[   24.744534][  T403] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   24.744968][  T403] RBP: ffffc90000627230 R08: ffff88800bb58800 R09: 0000000000000000
[   24.745416][  T403] R10: ffffc900006275c8 R11: ffffffff9d050668 R12: 1ffff920000c4e2c
[   24.745859][  T403] R13: 0000000000002710 R14: ffffc90000627880 R15: ffff88800a8403e0
[   24.746296][  T403] FS:  00007f7897ae5800(0000) GS:ffff888097eb7000(0000) knlGS:0000000000000000
[   24.746802][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.747175][  T403] CR2: 00000000004e5aa8 CR3: 000000000d0d0001 CR4: 0000000000772ef0
[   24.747609][  T403] PKRU: 55555554
[   24.747838][  T403] Call Trace:
[   24.748059][  T403]  <TASK>
[ 24.748216][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.748516][ T403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.748807][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.749099][ T403] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.749387][ T403] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 24.749678][ T403] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 24.749983][ T403] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 24.750285][ T403] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.750660][ T403] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.750949][ T403] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.751244][ T403] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.751536][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.751849][ T403] ? __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) 
[ 24.752154][ T403] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.752512][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.752804][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.753092][ T403] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.753390][ T403] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.753685][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.753975][ T403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.754277][ T403] ? __create_object (mm/kmemleak.c:771) 
[ 24.754569][ T403] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.754859][ T403] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.755155][ T403] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.755516][ T403] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.755820][ T403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.756111][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.756409][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.756711][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.757004][ T403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.757298][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.757592][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.757880][ T403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.758177][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.758473][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.758764][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.759062][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.759360][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.759666][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.759953][ T403] ? 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) 
[ 24.760251][ T403] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.760545][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.760835][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.761128][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.761432][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.761735][ T403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.762033][ T403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.762339][ T403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.762627][ T403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.763001][ T403] ___sys_sendmsg (net/socket.c:2670) 
[ 24.763305][ T403] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.763595][ T403] ? __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) 
[ 24.763956][ T403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.764272][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.764563][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.764858][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.765141][ T403] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.765432][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.765713][ T403] __sys_sendmsg (net/socket.c:2700) 
[ 24.765997][ T403] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.766361][ T403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.766661][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.766951][ T403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.767248][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.767615][  T403] RIP: 0033:0x7f7897cb21e7
[ 24.767916][ T403] 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)
[   24.768951][  T403] RSP: 002b:00007ffe58258928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.769398][  T403] RAX: ffffffffffffffda RBX: 00007ffe58259050 RCX: 00007f7897cb21e7
[   24.769839][  T403] RDX: 0000000000000000 RSI: 00007ffe58258990 RDI: 0000000000000005
[   24.770279][  T403] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   24.770708][  T403] R10: 00007f7897bafee8 R11: 0000000000000246 R12: 0000000000000004
[   24.771152][  T403] R13: 00000000686e1496 R14: 0000000000499600 R15: 0000000000000000
| [   25.251970][  T415] ------------[ cut here ]------------
| [ 25.252325][ T415] WARNING: CPU: 0 PID: 415 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) 
| [   25.252974][  T415] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.254259][  T415] Tainted: [W]=WARN
[   25.254497][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.254886][ T415] 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) 
[ 25.255373][ T415] 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
[   25.256653][  T415] RSP: 0018:ffffc900006a6ef0 EFLAGS: 00010246
[   25.257073][  T415] RAX: 0000000000000000 RBX: ffff88800b9d2000 RCX: 0000000000000001
[   25.257557][  T415] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   25.258042][  T415] RBP: ffffc900006a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.258515][  T415] R10: ffffc900006a7010 R11: ffffffff9d0a8918 R12: 1ffff920000d4de2
[   25.258976][  T415] R13: 0000000000002710 R14: ffffc900006a7010 R15: ffff88800b9d2f08
[   25.259447][  T415] FS:  00007fca3966d800(0000) GS:ffff888097eb7000(0000) knlGS:0000000000000000
[   25.260002][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.260421][  T415] CR2: 00000000004e5410 CR3: 000000000a07a005 CR4: 0000000000772ef0
[   25.260919][  T415] PKRU: 55555554
[   25.261169][  T415] Call Trace:
[   25.261410][  T415]  <TASK>
[ 25.261580][ T415] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.261916][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.262245][ T415] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.262562][ T415] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.262968][ T415] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.263325][ T415] netif_set_mtu (net/core/dev.c:9652) 
[ 25.263651][ T415] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.263976][ T415] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.264460][ T415] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.264707][ T415] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.265178][ T415] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.265539][ T415] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.265856][ T415] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.266208][ T415] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.266672][ T415] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.267011][ T415] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.267355][ T415] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.267689][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.268021][ T415] ? __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) 
[ 25.268362][ T415] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.268770][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.269097][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.269433][ T415] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.269765][ T415] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.270094][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.270426][ T415] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.270756][ T415] ? __create_object (mm/kmemleak.c:771) 
[ 25.271084][ T415] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.271418][ T415] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.271763][ T415] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.272179][ T415] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.272527][ T415] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.272857][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.273208][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.273540][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.273866][ T415] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.274200][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.274531][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.274867][ T415] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.275203][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.275529][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.275858][ T415] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.276190][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.276519][ T415] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.276851][ T415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.277178][ T415] ? 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) 
[ 25.277501][ T415] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.277825][ T415] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.278159][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.278509][ T415] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.278833][ T415] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.279165][ T415] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.279500][ T415] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.279847][ T415] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.280179][ T415] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.280597][ T415] ___sys_sendmsg (net/socket.c:2670) 
[ 25.280916][ T415] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.281256][ T415] ? __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) 
[ 25.281699][ T415] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.282025][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.282377][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.282721][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.283061][ T415] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.283407][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.283740][ T415] __sys_sendmsg (net/socket.c:2700) 
[ 25.284356][ T415] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.284765][ T415] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.285104][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.285694][ T415] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.286036][ T415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.286473][  T415] RIP: 0033:0x7fca3983a1e7
[ 25.286801][ T415] 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)
[   25.288477][  T415] RSP: 002b:00007ffe794b9f78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.288964][  T415] RAX: ffffffffffffffda RBX: 00007ffe794ba6a0 RCX: 00007fca3983a1e7
[   25.289481][  T415] RDX: 0000000000000000 RSI: 00007ffe794b9fe0 RDI: 0000000000000005
[   25.289976][  T415] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.290481][  T415] R10: 0000000015798910 R11: 0000000000000246 R12: 0000000000000004
[   25.291232][  T415] R13: 00000000686e1496 R14: 0000000000499600 R15: 0000000000000000
| [   25.973453][  T432] ------------[ cut here ]------------
| [ 25.973802][ T432] WARNING: CPU: 3 PID: 432 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) 
| [   25.974432][  T432] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.975634][  T432] Tainted: [W]=WARN
[   25.975879][  T432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.976274][ T432] 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) 
[ 25.976596][ T432] 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
[   25.977744][  T432] RSP: 0018:ffffc90000816ef0 EFLAGS: 00010246
[   25.978301][  T432] RAX: 0000000000000000 RBX: ffff88800aba2000 RCX: 0000000000000001
[   25.978770][  T432] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   25.979253][  T432] RBP: ffffc90000816fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.979719][  T432] R10: ffffc90000817010 R11: ffffffff9d0a8918 R12: 1ffff92000102de2
[   25.980200][  T432] R13: 0000000000002710 R14: ffffc90000817010 R15: ffff88800aba2f08
[   25.980657][  T432] FS:  00007fa4929e4800(0000) GS:ffff888098037000(0000) knlGS:0000000000000000
[   25.981209][  T432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.981608][  T432] CR2: 00000000004e5418 CR3: 000000000bf9c003 CR4: 0000000000772ef0
[   25.982090][  T432] PKRU: 55555554
[   25.982519][  T432] Call Trace:
[   25.982766][  T432]  <TASK>
[ 25.982928][ T432] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.983449][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.983772][ T432] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.984091][ T432] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.984629][ T432] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.984949][ T432] netif_set_mtu (net/core/dev.c:9652) 
[ 25.985526][ T432] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.985886][ T432] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.986747][ T432] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.986999][ T432] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.987588][ T432] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.987953][ T432] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.988424][ T432] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.988753][ T432] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.989141][ T432] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.989597][ T432] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.989912][ T432] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.990264][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.990581][ T432] ? __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) 
[ 25.990904][ T432] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.991296][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.991617][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.991932][ T432] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.992267][ T432] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.992580][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.992896][ T432] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.993229][ T432] ? __create_object (mm/kmemleak.c:771) 
[ 25.993545][ T432] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.993880][ T432] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.994229][ T432] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.994751][ T432] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.995080][ T432] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.995408][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.995727][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.996099][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.996421][ T432] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.996734][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.997057][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.997378][ T432] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.997702][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.998020][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.998342][ T432] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.998656][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.998976][ T432] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.999314][ T432] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.999623][ T432] ? 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) 
[ 25.999955][ T432] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.000283][ T432] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.000608][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.000936][ T432] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.001261][ T432] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.001606][ T432] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.001960][ T432] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.002293][ T432] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.002759][ T432] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.003186][ T432] ___sys_sendmsg (net/socket.c:2670) 
[ 26.003499][ T432] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.003821][ T432] ? __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) 
[ 26.004222][ T432] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.004545][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.004865][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.005194][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.005511][ T432] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.005827][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.006152][ T432] __sys_sendmsg (net/socket.c:2700) 
[ 26.006464][ T432] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.006856][ T432] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.007195][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.007514][ T432] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.007833][ T432] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.008231][  T432] RIP: 0033:0x7fa492bb11e7
[ 26.008552][ T432] 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)
[   26.009801][  T432] RSP: 002b:00007ffd2e0380a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.010345][  T432] RAX: ffffffffffffffda RBX: 00007ffd2e0387d0 RCX: 00007fa492bb11e7
[   26.010884][  T432] RDX: 0000000000000000 RSI: 00007ffd2e038110 RDI: 0000000000000005
[   26.011360][  T432] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.011857][  T432] R10: 00000000023d0910 R11: 0000000000000246 R12: 0000000000000004
[   26.012331][  T432] R13: 00000000686e1497 R14: 0000000000499600 R15: 0000000000000000
| [   26.642715][  T450] ------------[ cut here ]------------
| [ 26.643110][ T450] WARNING: CPU: 2 PID: 450 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) 
| [   26.643739][  T450] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.645210][  T450] Tainted: [W]=WARN
[   26.645438][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.645807][ T450] 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) 
[ 26.646117][ T450] 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
[   26.647161][  T450] RSP: 0018:ffffc900009e7140 EFLAGS: 00010246
[   26.647530][  T450] RAX: 0000000000000000 RBX: ffff888004ff1000 RCX: 0000000000000001
[   26.647960][  T450] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   26.648401][  T450] RBP: ffffc900009e7230 R08: ffff88800bb1d000 R09: 0000000000000000
[   26.648834][  T450] R10: ffffc900009e75c8 R11: ffffffff9d050668 R12: 1ffff9200013ce2c
[   26.649278][  T450] R13: 0000000000002710 R14: ffffc900009e7880 R15: ffff88800b948e60
[   26.649706][  T450] FS:  00007f7ec983d800(0000) GS:ffff888097fb7000(0000) knlGS:0000000000000000
[   26.650216][  T450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.650582][  T450] CR2: 00000000004e5ab0 CR3: 0000000010319004 CR4: 0000000000772ef0
[   26.651013][  T450] PKRU: 55555554
[   26.651246][  T450] Call Trace:
[   26.651468][  T450]  <TASK>
[ 26.651633][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.651935][ T450] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.652238][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.652531][ T450] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 26.652821][ T450] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 26.653115][ T450] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 26.653418][ T450] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 26.653713][ T450] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.654072][ T450] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.654373][ T450] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.654664][ T450] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.654966][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.655273][ T450] ? __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) 
[ 26.655564][ T450] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.655918][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.656224][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.656510][ T450] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.656800][ T450] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.657093][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.657393][ T450] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.657679][ T450] ? __create_object (mm/kmemleak.c:771) 
[ 26.657975][ T450] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.658279][ T450] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.658571][ T450] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.658922][ T450] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.659232][ T450] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.659528][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.659818][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.660121][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.660428][ T450] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.660715][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.661006][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.661304][ T450] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.661608][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.661910][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.662214][ T450] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.662508][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.662798][ T450] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.663098][ T450] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.663390][ T450] ? 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) 
[ 26.663682][ T450] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.663977][ T450] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.664286][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.664578][ T450] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.664871][ T450] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.665167][ T450] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.665465][ T450] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.665757][ T450] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.666056][ T450] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.666451][ T450] ___sys_sendmsg (net/socket.c:2670) 
[ 26.666738][ T450] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.667026][ T450] ? __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) 
[ 26.667403][ T450] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.667695][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.667987][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.668294][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.668585][ T450] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.668873][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.669177][ T450] __sys_sendmsg (net/socket.c:2700) 
[ 26.669461][ T450] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.669814][ T450] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.670113][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.670419][ T450] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.670711][ T450] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.671067][  T450] RIP: 0033:0x7f7ec9a0a1e7
[ 26.671379][ T450] 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)
[   26.672385][  T450] RSP: 002b:00007fff4e083038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.672818][  T450] RAX: ffffffffffffffda RBX: 00007fff4e083760 RCX: 00007f7ec9a0a1e7
[   26.673255][  T450] RDX: 0000000000000000 RSI: 00007fff4e0830a0 RDI: 0000000000000005
[   26.673678][  T450] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   26.674102][  T450] R10: 00007f7ec9907ee8 R11: 0000000000000246 R12: 0000000000000004
[   26.674577][  T450] R13: 00000000686e1498 R14: 0000000000499600 R15: 0000000000000000
| [   27.161940][  T462] ------------[ cut here ]------------
| [ 27.164120][ T462] WARNING: CPU: 2 PID: 462 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) 
| [   27.164929][  T462] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   27.166174][  T462] Tainted: [W]=WARN
[   27.166441][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.166842][ T462] 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) 
[ 27.167185][ T462] 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
[   27.168313][  T462] RSP: 0018:ffffc90000816ef0 EFLAGS: 00010246
[   27.168727][  T462] RAX: 0000000000000000 RBX: ffff88800b9d2000 RCX: 0000000000000001
[   27.169228][  T462] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   27.169712][  T462] RBP: ffffc90000816fe0 R08: 0000000000000000 R09: 0000000000000000
[   27.170205][  T462] R10: ffffc90000817010 R11: ffffffff9d0a8918 R12: 1ffff92000102de2
[   27.170688][  T462] R13: 0000000000002710 R14: ffffc90000817010 R15: ffff88800b9d2f08
[   27.171174][  T462] FS:  00007f5856fea800(0000) GS:ffff888097fb7000(0000) knlGS:0000000000000000
[   27.171757][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.172167][  T462] CR2: 00000000004e5410 CR3: 000000000f316005 CR4: 0000000000772ef0
[   27.172644][  T462] PKRU: 55555554
[   27.172892][  T462] Call Trace:
[   27.173137][  T462]  <TASK>
[ 27.173339][ T462] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.173695][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.174047][ T462] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 27.174384][ T462] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 27.174785][ T462] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 27.175112][ T462] netif_set_mtu (net/core/dev.c:9652) 
[ 27.175445][ T462] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.175781][ T462] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 27.176260][ T462] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.176514][ T462] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 27.176957][ T462] br_add_if (net/bridge/br_if.c:697) bridge 
[ 27.177361][ T462] do_set_master (net/core/rtnetlink.c:2948) 
[ 27.177695][ T462] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 27.178038][ T462] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.178466][ T462] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.178790][ T462] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.179114][ T462] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.179449][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.179772][ T462] ? __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) 
[ 27.180099][ T462] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.180509][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.180848][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.181181][ T462] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.181507][ T462] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.181840][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.182177][ T462] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.182498][ T462] ? __create_object (mm/kmemleak.c:771) 
[ 27.182826][ T462] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.183160][ T462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.183493][ T462] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.183892][ T462] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.184237][ T462] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.184568][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.184900][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.185269][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.185604][ T462] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.185924][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.186269][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.186595][ T462] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.186921][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.187260][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.187613][ T462] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.188007][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.188364][ T462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.188716][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.189042][ T462] ? 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) 
[ 27.189383][ T462] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.189719][ T462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.190046][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.190391][ T462] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.190717][ T462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.191050][ T462] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.191399][ T462] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.191744][ T462] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.192069][ T462] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.192497][ T462] ___sys_sendmsg (net/socket.c:2670) 
[ 27.192824][ T462] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.193164][ T462] ? __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) 
[ 27.193577][ T462] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.193921][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.194258][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.194590][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.194915][ T462] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.195247][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.195580][ T462] __sys_sendmsg (net/socket.c:2700) 
[ 27.195900][ T462] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.196314][ T462] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.196651][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.196973][ T462] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.197534][ T462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.197934][  T462] RIP: 0033:0x7f58571b71e7
[ 27.198516][ T462] 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)
[   27.199881][  T462] RSP: 002b:00007fff1e8a01b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.200377][  T462] RAX: ffffffffffffffda RBX: 00007fff1e8a08e0 RCX: 00007f58571b71e7
[   27.200864][  T462] RDX: 0000000000000000 RSI: 00007fff1e8a0220 RDI: 0000000000000005
[   27.201396][  T462] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.201887][  T462] R10: 00000000317cb910 R11: 0000000000000246 R12: 0000000000000004
[   27.202375][  T462] R13: 00000000686e1498 R14: 0000000000499600 R15: 0000000000000000
| [   27.879350][  T479] ------------[ cut here ]------------
| [ 27.879706][ T479] WARNING: CPU: 2 PID: 479 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) 
| [   27.880349][  T479] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   27.881600][  T479] Tainted: [W]=WARN
[   27.881860][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.882426][ T479] 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) 
[ 27.882842][ T479] 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
[   27.883983][  T479] RSP: 0018:ffffc90000ba6ef0 EFLAGS: 00010246
[   27.884400][  T479] RAX: 0000000000000000 RBX: ffff88800aba2000 RCX: 0000000000000001
[   27.884877][  T479] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   27.885373][  T479] RBP: ffffc90000ba6fe0 R08: 0000000000000000 R09: 0000000000000000
[   27.885855][  T479] R10: ffffc90000ba7010 R11: ffffffff9d0a8918 R12: 1ffff92000174de2
[   27.886339][  T479] R13: 0000000000002710 R14: ffffc90000ba7010 R15: ffff88800aba2f08
[   27.886825][  T479] FS:  00007fa2474cc800(0000) GS:ffff888097fb7000(0000) knlGS:0000000000000000
[   27.887396][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.887805][  T479] CR2: 00000000004e5418 CR3: 000000000fbe6002 CR4: 0000000000772ef0
[   27.888303][  T479] PKRU: 55555554
[   27.888550][  T479] Call Trace:
[   27.888804][  T479]  <TASK>
[ 27.888982][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.889338][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.889673][ T479] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 27.890007][ T479] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 27.890419][ T479] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 27.890756][ T479] netif_set_mtu (net/core/dev.c:9652) 
[ 27.891084][ T479] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.891434][ T479] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 27.891907][ T479] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.892184][ T479] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 27.892629][ T479] br_add_if (net/bridge/br_if.c:697) bridge 
[ 27.893006][ T479] do_set_master (net/core/rtnetlink.c:2948) 
[ 27.893344][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 27.893673][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.894080][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.894417][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.894743][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.895081][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.895421][ T479] ? __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) 
[ 27.895749][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.896175][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.896503][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.896839][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.897175][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.897497][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.897825][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.898140][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 27.898482][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.898807][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.899179][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.899591][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.899925][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.900270][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.900603][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.900938][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.901283][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.901616][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.901951][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.902281][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.902609][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.902946][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.903301][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.903630][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.903957][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.904302][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.904627][ T479] ? 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) 
[ 27.904953][ T479] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.905292][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.905622][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.905953][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.906290][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.906909][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.907257][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.907594][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.907921][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.908345][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 27.908666][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.908994][ T479] ? __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) 
[ 27.909408][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.909737][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.910061][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.910407][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.910738][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.911061][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.911405][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 27.911745][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.912142][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.912488][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.912818][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.913168][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.913564][  T479] RIP: 0033:0x7fa2476991e7
[ 27.913898][ T479] 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)
[   27.915016][  T479] RSP: 002b:00007ffcf201e7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.915517][  T479] RAX: ffffffffffffffda RBX: 00007ffcf201eef0 RCX: 00007fa2476991e7
[   27.916000][  T479] RDX: 0000000000000000 RSI: 00007ffcf201e830 RDI: 0000000000000005
[   27.916489][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.916969][  T479] R10: 00000000032bd910 R11: 0000000000000246 R12: 0000000000000004
[   27.917464][  T479] R13: 00000000686e1499 R14: 0000000000499600 R15: 0000000000000000
| [   57.072604][  T628] ------------[ cut here ]------------
| [ 57.072940][ T628] WARNING: CPU: 3 PID: 628 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) 
| [   57.073915][  T628] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   57.075215][  T628] Tainted: [W]=WARN
[   57.075498][  T628] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.075924][ T628] 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) 
[ 57.076286][ T628] 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
[   57.077478][  T628] RSP: 0018:ffffc90000816f70 EFLAGS: 00010246
[   57.077900][  T628] RAX: 0000000000000000 RBX: ffff88800aba2000 RCX: 0000000000000001
[   57.078398][  T628] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   57.078863][  T628] RBP: ffffc90000817058 R08: 0000000000000000 R09: 0000000000000000
[   57.079339][  T628] R10: ffffc90000817088 R11: ffffffff98600130 R12: 1ffff92000102df2
[   57.079803][  T628] R13: 0000000000002710 R14: ffffc90000817088 R15: ffff88800aba2f08
[   57.080294][  T628] FS:  00007fe24e4fe800(0000) GS:ffff888098037000(0000) knlGS:0000000000000000
[   57.080848][  T628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.081251][  T628] CR2: 00000000004e5630 CR3: 000000000a963004 CR4: 0000000000772ef0
[   57.081741][  T628] PKRU: 55555554
[   57.081977][  T628] Call Trace:
[   57.082222][  T628]  <TASK>
[ 57.082393][ T628] ? __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) 
[ 57.082779][ T628] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 57.083138][ T628] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 57.083464][ T628] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.083771][ T628] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.084075][ T628] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 57.084407][ T628] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.084729][ T628] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.085035][ T628] ? ___sys_sendmsg (net/socket.c:2670) 
[ 57.085347][ T628] ? __sys_sendmsg (net/socket.c:2700) 
[ 57.085650][ T628] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.085957][ T628] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 57.086344][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.086660][ T628] netif_set_mtu (net/core/dev.c:9652) 
[ 57.086969][ T628] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 57.087313][ T628] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 57.087548][ T628] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 57.087969][ T628] br_del_if (net/bridge/br_if.c:743) bridge 
[ 57.088332][ T628] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 57.088644][ T628] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 57.088961][ T628] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.089282][ T628] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.089679][ T628] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.089985][ T628] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.090302][ T628] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.090609][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.090918][ T628] ? __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) 
[ 57.091255][ T628] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.091643][ T628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.091965][ T628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.092292][ T628] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.092597][ T628] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.092905][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.093217][ T628] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.093522][ T628] ? __create_object (mm/kmemleak.c:771) 
[ 57.093828][ T628] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.094132][ T628] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.094452][ T628] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.094833][ T628] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.095141][ T628] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.095464][ T628] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.095769][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.096077][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.096404][ T628] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.096724][ T628] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.097034][ T628] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.097348][ T628] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.097657][ T628] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.097966][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.098286][ T628] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.098593][ T628] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.098899][ T628] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.099229][ T628] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.099534][ T628] ? 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) 
[ 57.099843][ T628] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 57.100172][ T628] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.100474][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.100782][ T628] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.101089][ T628] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.101410][ T628] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.101744][ T628] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.102052][ T628] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.102366][ T628] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.102756][ T628] ___sys_sendmsg (net/socket.c:2670) 
[ 57.103057][ T628] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.103368][ T628] ? __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) 
[ 57.103757][ T628] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.104066][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.104393][ T628] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.104702][ T628] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.105006][ T628] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 57.105321][ T628] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.105636][ T628] __sys_sendmsg (net/socket.c:2700) 
[ 57.105978][ T628] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 57.106366][ T628] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.106682][ T628] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.106992][ T628] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.107311][ T628] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.107695][  T628] RIP: 0033:0x7fe24e6cb1e7
[ 57.108015][ T628] 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)
[   57.109156][  T628] RSP: 002b:00007ffca038df98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.109621][  T628] RAX: ffffffffffffffda RBX: 00007ffca038e6c0 RCX: 00007fe24e6cb1e7
[   57.110076][  T628] RDX: 0000000000000000 RSI: 00007ffca038e000 RDI: 0000000000000005
[   57.110549][  T628] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   57.111004][  T628] R10: 00007fe24e5c8ee8 R11: 0000000000000246 R12: 0000000000000003
[   57.111467][  T628] R13: 00000000686e14b6 R14: 0000000000499600 R15: 0000000000000000
| [   57.546919][  T636] ------------[ cut here ]------------
| [ 57.547261][ T636] WARNING: CPU: 3 PID: 636 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) 
| [   57.547882][  T636] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   57.549159][  T636] Tainted: [W]=WARN
[   57.549403][  T636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.549795][ T636] 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) 
[ 57.550111][ T636] 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
[   57.551208][  T636] RSP: 0018:ffffc900009a6f70 EFLAGS: 00010246
[   57.551615][  T636] RAX: 0000000000000000 RBX: ffff88800b9d2000 RCX: 0000000000000001
[   57.552074][  T636] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   57.552543][  T636] RBP: ffffc900009a7058 R08: 0000000000000000 R09: 0000000000000000
[   57.552998][  T636] R10: ffffc900009a7088 R11: ffffffff9c779160 R12: 1ffff92000134df2
[   57.553615][  T636] R13: 0000000000002710 R14: ffffc900009a7088 R15: ffff88800b9d2f08
[   57.554082][  T636] FS:  00007f875cf54800(0000) GS:ffff888098037000(0000) knlGS:0000000000000000
[   57.554859][  T636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.555479][  T636] CR2: 00000000004e5628 CR3: 0000000009baa002 CR4: 0000000000772ef0
[   57.555944][  T636] PKRU: 55555554
[   57.556321][  T636] Call Trace:
[   57.556568][  T636]  <TASK>
[ 57.556723][ T636] ? __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) 
[ 57.557107][ T636] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 57.557501][ T636] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 57.557807][ T636] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.558113][ T636] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.558429][ T636] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 57.558740][ T636] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.559044][ T636] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.559366][ T636] ? ___sys_sendmsg (net/socket.c:2670) 
[ 57.559671][ T636] ? __sys_sendmsg (net/socket.c:2700) 
[ 57.560010][ T636] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.560324][ T636] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 57.560704][ T636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.561053][ T636] netif_set_mtu (net/core/dev.c:9652) 
[ 57.561386][ T636] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 57.561733][ T636] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 57.561967][ T636] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 57.562410][ T636] br_del_if (net/bridge/br_if.c:743) bridge 
[ 57.562753][ T636] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 57.563060][ T636] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 57.563384][ T636] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.563695][ T636] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.564091][ T636] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.564407][ T636] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.564716][ T636] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.565025][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.565346][ T636] ? __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) 
[ 57.565654][ T636] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.566042][ T636] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.566365][ T636] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.566674][ T636] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.566981][ T636] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.567297][ T636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.567604][ T636] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.567912][ T636] ? __create_object (mm/kmemleak.c:771) 
[ 57.568231][ T636] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.568549][ T636] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.568854][ T636] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.569248][ T636] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.569559][ T636] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.569871][ T636] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.570189][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.570502][ T636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.570809][ T636] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.571119][ T636] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.571437][ T636] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.571755][ T636] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.572063][ T636] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.572385][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.572720][ T636] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.573032][ T636] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.573367][ T636] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.573685][ T636] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.573989][ T636] ? 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) 
[ 57.574308][ T636] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 57.574618][ T636] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.574924][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.575249][ T636] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.575567][ T636] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.575882][ T636] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.576208][ T636] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.576519][ T636] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.576824][ T636] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.577252][ T636] ___sys_sendmsg (net/socket.c:2670) 
[ 57.577561][ T636] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.577877][ T636] ? __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) 
[ 57.578276][ T636] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.578584][ T636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.578894][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.579220][ T636] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.579526][ T636] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 57.579833][ T636] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.580165][ T636] __sys_sendmsg (net/socket.c:2700) 
[ 57.580480][ T636] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 57.580863][ T636] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.581197][ T636] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.581509][ T636] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.581831][ T636] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.582226][  T636] RIP: 0033:0x7f875d1211e7
[ 57.582545][ T636] 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)
[   57.583663][  T636] RSP: 002b:00007fffceabd018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.584130][  T636] RAX: ffffffffffffffda RBX: 00007fffceabd740 RCX: 00007f875d1211e7
[   57.584600][  T636] RDX: 0000000000000000 RSI: 00007fffceabd080 RDI: 0000000000000005
[   57.585067][  T636] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   57.585549][  T636] R10: 00007f875d01eee8 R11: 0000000000000246 R12: 0000000000000003
[   57.586013][  T636] R13: 00000000686e14b7 R14: 0000000000499600 R15: 0000000000000000
| [   57.903371][  T640] ------------[ cut here ]------------
| [ 57.903778][ T640] WARNING: CPU: 3 PID: 640 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) 
| [   57.904346][  T640] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   57.905999][  T640] Tainted: [W]=WARN
[   57.906221][  T640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.906567][ T640] 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) 
[ 57.906851][ T640] 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
[   57.907843][  T640] RSP: 0018:ffffc900009e7140 EFLAGS: 00010246
[   57.908199][  T640] RAX: 0000000000000000 RBX: ffff888004ff1000 RCX: 0000000000000001
[   57.908617][  T640] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   57.909033][  T640] RBP: ffffc900009e7230 R08: ffff88800d365000 R09: 0000000000000000
[   57.909464][  T640] R10: ffffc900009e75c8 R11: ffffffff9d050668 R12: 1ffff9200013ce2c
[   57.909879][  T640] R13: 00000000000005dc R14: ffffc900009e7880 R15: ffff88800f514ae0
[   57.910305][  T640] FS:  00007efd017dc800(0000) GS:ffff888098037000(0000) knlGS:0000000000000000
[   57.910792][  T640] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.911158][  T640] CR2: 00000000004e5ab0 CR3: 000000000fbbf004 CR4: 0000000000772ef0
[   57.911577][  T640] PKRU: 55555554
[   57.911799][  T640] Call Trace:
[   57.912008][  T640]  <TASK>
[ 57.912163][ T640] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.912448][ T640] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.912727][ T640] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.913016][ T640] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 57.913317][ T640] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 57.913600][ T640] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 57.913888][ T640] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 57.914179][ T640] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.914534][ T640] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.914809][ T640] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.915085][ T640] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.915384][ T640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.915667][ T640] ? __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) 
[ 57.915943][ T640] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.916298][ T640] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.916577][ T640] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.916852][ T640] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.917129][ T640] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.917430][ T640] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.917706][ T640] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.917987][ T640] ? __create_object (mm/kmemleak.c:771) 
[ 57.918280][ T640] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.918562][ T640] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.918840][ T640] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.919199][ T640] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.919493][ T640] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.919776][ T640] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.920051][ T640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.920346][ T640] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.920622][ T640] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.920897][ T640] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.921192][ T640] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.921468][ T640] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.921766][ T640] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.922045][ T640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.922342][ T640] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.922620][ T640] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.922896][ T640] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.923190][ T640] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.923466][ T640] ? 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) 
[ 57.923747][ T640] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 57.924028][ T640] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.924313][ T640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.924594][ T640] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.924878][ T640] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.925183][ T640] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.925471][ T640] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.925752][ T640] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.926030][ T640] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.926499][ T640] ___sys_sendmsg (net/socket.c:2670) 
[ 57.926779][ T640] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.927055][ T640] ? __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) 
[ 57.927413][ T640] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.927691][ T640] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.927977][ T640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.928269][ T640] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.928550][ T640] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 57.928827][ T640] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.929108][ T640] __sys_sendmsg (net/socket.c:2700) 
[ 57.929409][ T640] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 57.929785][ T640] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.930092][ T640] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.930398][ T640] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.930679][ T640] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.931021][  T640] RIP: 0033:0x7efd019a91e7
[ 57.931325][ T640] 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)
[   57.932359][  T640] RSP: 002b:00007ffce1a1fad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.932779][  T640] RAX: ffffffffffffffda RBX: 00007ffce1a20200 RCX: 00007efd019a91e7
[   57.933206][  T640] RDX: 0000000000000000 RSI: 00007ffce1a1fb40 RDI: 0000000000000005
[   57.933621][  T640] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   57.934040][  T640] R10: 00007efd018a6ee8 R11: 0000000000000246 R12: 0000000000000004
[   57.934467][  T640] R13: 00000000686e14b7 R14: 0000000000499600 R15: 0000000000000000
| [   58.356179][  T647] ------------[ cut here ]------------
| [ 58.356510][ T647] WARNING: CPU: 3 PID: 647 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) 
| [   58.357116][  T647] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   58.358422][  T647] Tainted: [W]=WARN
[   58.358660][  T647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 58.359047][ T647] 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) 
[ 58.360543][ T647] 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
[   58.361667][  T647] RSP: 0018:ffffc90000ab6f70 EFLAGS: 00010246
[   58.362057][  T647] RAX: 0000000000000000 RBX: ffff88800aba2000 RCX: 0000000000000001
[   58.362523][  T647] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   58.362979][  T647] RBP: ffffc90000ab7058 R08: 0000000000000000 R09: 0000000000000000
[   58.363469][  T647] R10: ffffc90000ab7088 R11: ffffffff9c779160 R12: 1ffff92000156df2
[   58.363927][  T647] R13: 00000000000005dc R14: ffffc90000ab7088 R15: ffff88800aba2f08
[   58.364393][  T647] FS:  00007f706d3ec800(0000) GS:ffff888098037000(0000) knlGS:0000000000000000
[   58.364937][  T647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.365339][  T647] CR2: 00000000004e73c0 CR3: 0000000008ec5006 CR4: 0000000000772ef0
[   58.365800][  T647] PKRU: 55555554
[   58.366030][  T647] Call Trace:
[   58.366273][  T647]  <TASK>
[ 58.366430][ T647] ? __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) 
[ 58.366822][ T647] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 58.367203][ T647] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 58.367522][ T647] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 58.367828][ T647] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 58.368132][ T647] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 58.368459][ T647] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 58.368766][ T647] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 58.369104][ T647] ? ___sys_sendmsg (net/socket.c:2670) 
[ 58.369424][ T647] ? __sys_sendmsg (net/socket.c:2700) 
[ 58.369729][ T647] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 58.370045][ T647] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 58.370435][ T647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.370750][ T647] netif_set_mtu (net/core/dev.c:9652) 
[ 58.371057][ T647] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 58.371413][ T647] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 58.371653][ T647] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 58.372083][ T647] br_del_if (net/bridge/br_if.c:743) bridge 
[ 58.372442][ T647] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 58.372751][ T647] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 58.373059][ T647] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 58.373399][ T647] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 58.373785][ T647] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 58.374090][ T647] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 58.374408][ T647] ? __kernel_text_address (kernel/extable.c:79) 
[ 58.374730][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.375040][ T647] ? __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) 
[ 58.375371][ T647] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 58.375751][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.376059][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.376370][ T647] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 58.376677][ T647] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 58.376982][ T647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.377300][ T647] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 58.377601][ T647] ? __create_object (mm/kmemleak.c:771) 
[ 58.377909][ T647] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 58.378225][ T647] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 58.378533][ T647] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 58.378916][ T647] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 58.379247][ T647] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 58.379577][ T647] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.379889][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.380208][ T647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.380515][ T647] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 58.380814][ T647] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.381119][ T647] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.381429][ T647] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 58.381747][ T647] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.382064][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.382384][ T647] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 58.382695][ T647] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.383000][ T647] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 58.383342][ T647] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 58.383653][ T647] ? 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) 
[ 58.383959][ T647] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 58.384279][ T647] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 58.384582][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.384895][ T647] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 58.385212][ T647] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 58.385518][ T647] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 58.385832][ T647] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 58.386140][ T647] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 58.386462][ T647] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 58.386849][ T647] ___sys_sendmsg (net/socket.c:2670) 
[ 58.387173][ T647] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 58.387481][ T647] ? __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) 
[ 58.387863][ T647] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 58.388180][ T647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.388488][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.388801][ T647] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.389104][ T647] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 58.389416][ T647] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.389726][ T647] __sys_sendmsg (net/socket.c:2700) 
[ 58.390029][ T647] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 58.390413][ T647] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 58.390733][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.391040][ T647] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 58.391371][ T647] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   58.391755][  T647] RIP: 0033:0x7f706d5b91e7
[ 58.392070][ T647] 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)
[   58.393162][  T647] RSP: 002b:00007ffd03c082c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   58.393628][  T647] RAX: ffffffffffffffda RBX: 00007ffd03c089f0 RCX: 00007f706d5b91e7
[   58.394084][  T647] RDX: 0000000000000000 RSI: 00007ffd03c08330 RDI: 0000000000000005
[   58.394551][  T647] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   58.395012][  T647] R10: 00007f706d4b6ee8 R11: 0000000000000246 R12: 0000000000000003
[   58.395488][  T647] R13: 00000000686e14b8 R14: 0000000000499600 R15: 0000000000000000
| [   58.833626][  T653] ------------[ cut here ]------------
| [ 58.834004][ T653] WARNING: CPU: 2 PID: 653 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) 
| [   58.835196][  T653] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   58.836491][  T653] Tainted: [W]=WARN
[   58.836748][  T653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 58.837173][ T653] 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) 
[ 58.837508][ T653] 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
[   58.838632][  T653] RSP: 0018:ffffc90000b26f70 EFLAGS: 00010246
[   58.839039][  T653] RAX: 0000000000000000 RBX: ffff88800b9d2000 RCX: 0000000000000001
[   58.839527][  T653] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   58.839995][  T653] RBP: ffffc90000b27058 R08: 0000000000000000 R09: 0000000000000000
[   58.840483][  T653] R10: ffffc90000b27088 R11: ffffffff9c779160 R12: 1ffff92000164df2
[   58.840962][  T653] R13: 00000000000005dc R14: ffffc90000b27088 R15: ffff88800b9d2f08
[   58.841463][  T653] FS:  00007f0553a33800(0000) GS:ffff888097fb7000(0000) knlGS:0000000000000000
[   58.842025][  T653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.842442][  T653] CR2: 00000000004e73b8 CR3: 000000000bde8003 CR4: 0000000000772ef0
[   58.842918][  T653] PKRU: 55555554
[   58.843179][  T653] Call Trace:
[   58.843425][  T653]  <TASK>
[ 58.843594][ T653] ? __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) 
[ 58.843997][ T653] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 58.844380][ T653] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 58.844703][ T653] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 58.845024][ T653] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 58.845372][ T653] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 58.845706][ T653] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 58.846023][ T653] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 58.846356][ T653] ? ___sys_sendmsg (net/socket.c:2670) 
[ 58.846679][ T653] ? __sys_sendmsg (net/socket.c:2700) 
[ 58.846993][ T653] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 58.847322][ T653] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 58.847711][ T653] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.848038][ T653] netif_set_mtu (net/core/dev.c:9652) 
[ 58.848386][ T653] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 58.848720][ T653] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 58.848968][ T653] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 58.849432][ T653] br_del_if (net/bridge/br_if.c:743) bridge 
[ 58.849792][ T653] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 58.850111][ T653] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 58.850447][ T653] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 58.850773][ T653] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 58.851181][ T653] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 58.851498][ T653] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 58.851823][ T653] ? __kernel_text_address (kernel/extable.c:79) 
[ 58.852156][ T653] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.852478][ T653] ? __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) 
[ 58.852794][ T653] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 58.853218][ T653] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.853550][ T653] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.853866][ T653] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 58.854193][ T653] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 58.854512][ T653] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.854833][ T653] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 58.855158][ T653] ? __create_object (mm/kmemleak.c:771) 
[ 58.855484][ T653] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 58.855813][ T653] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 58.856128][ T653] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 58.856536][ T653] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 58.856860][ T653] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 58.857206][ T653] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.857532][ T653] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.857857][ T653] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.858191][ T653] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 58.858507][ T653] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.858834][ T653] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.859165][ T653] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 58.859485][ T653] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.859806][ T653] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.860126][ T653] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 58.860478][ T653] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.860805][ T653] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 58.861139][ T653] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 58.861477][ T653] ? 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) 
[ 58.861806][ T653] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 58.862124][ T653] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 58.862456][ T653] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.862777][ T653] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 58.863105][ T653] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 58.863432][ T653] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 58.863759][ T653] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 58.864080][ T653] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 58.864407][ T653] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 58.864806][ T653] ___sys_sendmsg (net/socket.c:2670) 
[ 58.865126][ T653] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 58.865475][ T653] ? __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) 
[ 58.865872][ T653] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 58.866200][ T653] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.866523][ T653] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.866845][ T653] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.867173][ T653] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 58.867490][ T653] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.867821][ T653] __sys_sendmsg (net/socket.c:2700) 
[ 58.868133][ T653] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 58.868535][ T653] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 58.868862][ T653] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.869207][ T653] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 58.869528][ T653] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   58.869917][  T653] RIP: 0033:0x7f0553c001e7
[ 58.870260][ T653] 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)
[   58.871373][  T653] RSP: 002b:00007ffea4132c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   58.871863][  T653] RAX: ffffffffffffffda RBX: 00007ffea4133380 RCX: 00007f0553c001e7
[   58.872350][  T653] RDX: 0000000000000000 RSI: 00007ffea4132cc0 RDI: 0000000000000005
[   58.872819][  T653] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   58.873317][  T653] R10: 00007f0553afdee8 R11: 0000000000000246 R12: 0000000000000003
[   58.873792][  T653] R13: 00000000686e14b8 R14: 0000000000499600 R15: 0000000000000000
| [   59.196029][  T657] ------------[ cut here ]------------
| [ 59.196423][ T657] WARNING: CPU: 2 PID: 657 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) 
| [   59.197369][  T657] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   59.200117][  T657] Tainted: [W]=WARN
[   59.200385][  T657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.200826][ T657] 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) 
[ 59.201163][ T657] 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
[   59.202267][  T657] RSP: 0018:ffffc90000b87140 EFLAGS: 00010246
[   59.202693][  T657] RAX: 0000000000000000 RBX: ffff888008159000 RCX: 0000000000000001
[   59.203140][  T657] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   59.203644][  T657] RBP: ffffc90000b87230 R08: ffff88800b958800 R09: 0000000000000000
[   59.204093][  T657] R10: ffffc90000b875c8 R11: ffffffff9d050668 R12: 1ffff92000170e2c
[   59.204562][  T657] R13: 00000000000005dc R14: ffffc90000b87880 R15: ffff88800ff98ae0
[   59.205030][  T657] FS:  00007f6044177800(0000) GS:ffff888097fb7000(0000) knlGS:0000000000000000
[   59.205568][  T657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.206216][  T657] CR2: 00000000004e5aa8 CR3: 000000000fcb1006 CR4: 0000000000772ef0
[   59.206968][  T657] PKRU: 55555554
[   59.207387][  T657] Call Trace:
[   59.207786][  T657]  <TASK>
[ 59.208065][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.208619][ T657] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 59.208959][ T657] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.209279][ T657] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 59.209612][ T657] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 59.209913][ T657] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 59.210236][ T657] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 59.210555][ T657] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 59.210931][ T657] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 59.211248][ T657] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 59.211565][ T657] ? __kernel_text_address (kernel/extable.c:79) 
[ 59.211880][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.212194][ T657] ? __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) 
[ 59.212508][ T657] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 59.212904][ T657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.213217][ T657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.213511][ T657] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 59.213823][ T657] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 59.214124][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.214435][ T657] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 59.214759][ T657] ? __create_object (mm/kmemleak.c:771) 
[ 59.215068][ T657] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 59.215383][ T657] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 59.215720][ T657] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 59.216083][ T657] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 59.216401][ T657] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 59.216719][ T657] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.217012][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.217329][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.217650][ T657] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 59.217949][ T657] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.218259][ T657] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.218572][ T657] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 59.218882][ T657] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.219197][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.219498][ T657] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 59.219988][ T657] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.220529][ T657] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 59.221064][ T657] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 59.221595][ T657] ? 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) 
[ 59.222113][ T657] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 59.222661][ T657] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 59.223191][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.223734][ T657] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.224299][ T657] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 59.224826][ T657] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 59.225369][ T657] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.225877][ T657] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 59.226395][ T657] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 59.227035][ T657] ___sys_sendmsg (net/socket.c:2670) 
[ 59.227581][ T657] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 59.228096][ T657] ? __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) 
[ 59.228714][ T657] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 59.229022][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.229334][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.229660][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.229956][ T657] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 59.230275][ T657] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.230591][ T657] __sys_sendmsg (net/socket.c:2700) 
[ 59.230887][ T657] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 59.231266][ T657] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 59.231589][ T657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.231910][ T657] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.232226][ T657] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.232608][  T657] RIP: 0033:0x7f60443441e7
[ 59.232931][ T657] 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)
[   59.233968][  T657] RSP: 002b:00007ffe6639f0a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   59.234417][  T657] RAX: ffffffffffffffda RBX: 00007ffe6639f7d0 RCX: 00007f60443441e7
[   59.235100][  T657] RDX: 0000000000000000 RSI: 00007ffe6639f110 RDI: 0000000000000005
[   59.235880][  T657] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   59.236660][  T657] R10: 00007f6044241ee8 R11: 0000000000000246 R12: 0000000000000004
[   59.237449][  T657] R13: 00000000686e14b8 R14: 0000000000499600 R15: 0000000000000000
| [   60.525363][  T671] ------------[ cut here ]------------
| [ 60.525696][ T671] WARNING: CPU: 3 PID: 671 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) 
| [   60.526902][  T671] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   60.528058][  T671] Tainted: [W]=WARN
[   60.528281][  T671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.528625][ T671] 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) 
[ 60.528908][ T671] 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
[   60.529897][  T671] RSP: 0018:ffffc90000657140 EFLAGS: 00010246
[   60.530259][  T671] RAX: 0000000000000000 RBX: ffff888004ff4000 RCX: 0000000000000001
[   60.530684][  T671] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   60.531104][  T671] RBP: ffffc90000657230 R08: ffff8880052d0800 R09: 0000000000000000
[   60.531531][  T671] R10: ffffc900006575c8 R11: ffffffff9d050668 R12: 1ffff920000cae2c
[   60.531961][  T671] R13: 00000000000005dc R14: ffffc90000657880 R15: ffff88800f366a60
[   60.532392][  T671] FS:  00007fe842fef800(0000) GS:ffff888098037000(0000) knlGS:0000000000000000
[   60.532870][  T671] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.533230][  T671] CR2: 00000000004e5ab8 CR3: 0000000004f29006 CR4: 0000000000772ef0
[   60.533648][  T671] PKRU: 55555554
[   60.533863][  T671] Call Trace:
[   60.534079][  T671]  <TASK>
[ 60.534232][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.534520][ T671] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.534800][ T671] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.535081][ T671] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 60.535370][ T671] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 60.535651][ T671] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 60.535935][ T671] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 60.536228][ T671] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 60.536577][ T671] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.536853][ T671] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 60.537126][ T671] ? __kernel_text_address (kernel/extable.c:79) 
[ 60.537416][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.537701][ T671] ? __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) 
[ 60.537981][ T671] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 60.538347][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.538654][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.538931][ T671] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 60.539217][ T671] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 60.539496][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.539769][ T671] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.540042][ T671] ? __create_object (mm/kmemleak.c:771) 
[ 60.540335][ T671] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 60.540611][ T671] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 60.540883][ T671] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 60.541240][ T671] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 60.541520][ T671] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.541809][ T671] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.542086][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.542377][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.542662][ T671] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.542933][ T671] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.543218][ T671] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.543492][ T671] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.543769][ T671] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.544049][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.544341][ T671] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.544624][ T671] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.544909][ T671] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.545207][ T671] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.545481][ T671] ? 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) 
[ 60.545757][ T671] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.546036][ T671] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.546318][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.546599][ T671] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.546881][ T671] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.547171][ T671] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.547453][ T671] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.547731][ T671] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.548003][ T671] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.548363][ T671] ___sys_sendmsg (net/socket.c:2670) 
[ 60.548637][ T671] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.548919][ T671] ? __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) 
[ 60.549272][ T671] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.549549][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.549825][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.550105][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.550392][ T671] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 60.550667][ T671] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.550952][ T671] __sys_sendmsg (net/socket.c:2700) 
[ 60.551234][ T671] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 60.551570][ T671] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.551866][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.552143][ T671] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.552452][ T671] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.552789][  T671] RIP: 0033:0x7fe8431bc1e7
[ 60.553084][ T671] 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)
[   60.554077][  T671] RSP: 002b:00007ffdcd3731f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.554509][  T671] RAX: ffffffffffffffda RBX: 00007ffdcd373920 RCX: 00007fe8431bc1e7
[   60.554931][  T671] RDX: 0000000000000000 RSI: 00007ffdcd373260 RDI: 0000000000000005
[   60.555350][  T671] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   60.555764][  T671] R10: 00007fe8430b9ee8 R11: 0000000000000246 R12: 0000000000000004
[   60.556182][  T671] R13: 00000000686e14ba R14: 0000000000499600 R15: 0000000000000000
| [   61.760963][  T683] ------------[ cut here ]------------
| [ 61.761370][ T683] WARNING: CPU: 2 PID: 683 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) 
| [   61.761991][  T683] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   61.763575][  T683] Tainted: [W]=WARN
[   61.763824][  T683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.764217][ T683] 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) 
[ 61.764534][ T683] 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
[   61.765634][  T683] RSP: 0018:ffffc90000d17140 EFLAGS: 00010246
[   61.766022][  T683] RAX: 0000000000000000 RBX: ffff888008179000 RCX: 0000000000000001
[   61.766498][  T683] RDX: 0000000000000000 RSI: ffffffff9c29b941 RDI: ffffffff9ba555e0
[   61.766963][  T683] RBP: ffffc90000d17230 R08: ffff88800f4fd000 R09: 0000000000000000
[   61.767428][  T683] R10: ffffc90000d175c8 R11: ffffffff9d050668 R12: 1ffff920001a2e2c
[   61.767899][  T683] R13: 00000000000005dc R14: ffffc90000d17880 R15: ffff88800f1a0e60
[   61.768368][  T683] FS:  00007f6c4b65d800(0000) GS:ffff888097fb7000(0000) knlGS:0000000000000000
[   61.768897][  T683] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.769294][  T683] CR2: 00000000004e5aa0 CR3: 000000000a9f9001 CR4: 0000000000772ef0
[   61.769747][  T683] PKRU: 55555554
[   61.769976][  T683] Call Trace:
[   61.770220][  T683]  <TASK>
[ 61.770382][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.770697][ T683] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 61.771002][ T683] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.771331][ T683] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 61.771646][ T683] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 61.771955][ T683] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 61.772275][ T683] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 61.772596][ T683] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 61.772993][ T683] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 61.773314][ T683] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 61.773617][ T683] ? __kernel_text_address (kernel/extable.c:79) 
[ 61.773923][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.774249][ T683] ? __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) 
[ 61.774562][ T683] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 61.774947][ T683] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.775272][ T683] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.775577][ T683] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 61.775887][ T683] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 61.776203][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.776508][ T683] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 61.776815][ T683] ? __create_object (mm/kmemleak.c:771) 
[ 61.777124][ T683] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 61.777458][ T683] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 61.777768][ T683] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 61.778141][ T683] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 61.778469][ T683] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 61.778783][ T683] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.779093][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.779419][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.779728][ T683] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 61.780033][ T683] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.780354][ T683] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.780673][ T683] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 61.780979][ T683] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.781299][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.781612][ T683] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 61.781925][ T683] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.782247][ T683] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 61.782570][ T683] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 61.782895][ T683] ? 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) 
[ 61.783214][ T683] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 61.783524][ T683] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 61.783830][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.784137][ T683] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.784460][ T683] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 61.784764][ T683] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 61.785080][ T683] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.785443][ T683] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 61.785759][ T683] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 61.786161][ T683] ___sys_sendmsg (net/socket.c:2670) 
[ 61.786463][ T683] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 61.786764][ T683] ? __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) 
[ 61.787155][ T683] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 61.787465][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.787769][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.788074][ T683] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.788392][ T683] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 61.788695][ T683] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.789008][ T683] __sys_sendmsg (net/socket.c:2700) 
[ 61.789322][ T683] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 61.789695][ T683] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 61.790020][ T683] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.790337][ T683] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.790651][ T683] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   61.791025][  T683] RIP: 0033:0x7f6c4b82a1e7
[ 61.791352][ T683] 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)
[   61.792432][  T683] RSP: 002b:00007ffc66dcfa28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.792891][  T683] RAX: ffffffffffffffda RBX: 00007ffc66dd0150 RCX: 00007f6c4b82a1e7
[   61.793354][  T683] RDX: 0000000000000000 RSI: 00007ffc66dcfa90 RDI: 0000000000000005
[   61.793803][  T683] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   61.794267][  T683] R10: 00007f6c4b727ee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if