======================================
| xx__-> [   14.379834][  T250] ip (250) used greatest stack depth: 24336 bytes left
| [   17.132594][  T299] ------------[ cut here ]------------
| [ 17.133074][ T299] WARNING: CPU: 2 PID: 299 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) 
| [   17.135379][  T299] Modules linked in: vrf veth
[   17.136339][  T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.136719][ T299] 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) 
[ 17.137031][ T299] 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
[   17.138072][  T299] RSP: 0018:ffffc900005c7140 EFLAGS: 00010246
[   17.138448][  T299] RAX: 0000000000000000 RBX: ffff888007f39000 RCX: 0000000000000001
[   17.138914][  T299] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   17.139366][  T299] RBP: ffffc900005c7230 R08: ffff88800bc7a000 R09: 0000000000000000
[   17.139810][  T299] R10: ffffc900005c75c8 R11: ffffffffb5050668 R12: 1ffff920000b8e2c
[   17.140253][  T299] R13: 0000000000002710 R14: ffffc900005c7880 R15: ffff88800b88bbe0
[   17.140680][  T299] FS:  00007f4808460800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[   17.141199][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.141576][  T299] CR2: 00000000004e5aa0 CR3: 0000000005327003 CR4: 0000000000772ef0
[   17.142022][  T299] PKRU: 55555554
[   17.142259][  T299] Call Trace:
[   17.142507][  T299]  <TASK>
[ 17.142664][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.142978][ T299] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.143277][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.143570][ T299] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 17.143871][ T299] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 17.144163][ T299] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.144467][ T299] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 17.144765][ T299] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.145159][ T299] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.145467][ T299] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.145755][ T299] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.146065][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.146370][ T299] ? __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) 
[ 17.146659][ T299] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.147024][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.147329][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.147617][ T299] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.147917][ T299] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.148236][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.148526][ T299] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.148812][ T299] ? __create_object (mm/kmemleak.c:771) 
[ 17.149118][ T299] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.149422][ T299] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.149707][ T299] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.150074][ T299] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.150383][ T299] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.150678][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.151002][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.151314][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.151599][ T299] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.151887][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.152193][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.152498][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.152789][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.153098][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.153405][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.153699][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.153987][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.154319][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.154613][ T299] ? 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) 
[ 17.154906][ T299] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 17.155214][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.155518][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.155814][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.156124][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.156434][ T299] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.156732][ T299] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.157030][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.157366][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.157835][ T299] ___sys_sendmsg (net/socket.c:2670) 
[ 17.158203][ T299] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.158554][ T299] ? __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) 
[ 17.158969][ T299] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.159341][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.159678][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.160017][ T299] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.160374][ T299] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.160724][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.161062][ T299] __sys_sendmsg (net/socket.c:2700) 
[ 17.161405][ T299] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.161809][ T299] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.162151][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.162497][ T299] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.162831][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.163248][  T299] RIP: 0033:0x7f480862d1e7
[ 17.163603][ T299] 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)
[   17.164742][  T299] RSP: 002b:00007ffc82d78d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.165250][  T299] RAX: ffffffffffffffda RBX: 00007ffc82d794a0 RCX: 00007f480862d1e7
[   17.165744][  T299] RDX: 0000000000000000 RSI: 00007ffc82d78de0 RDI: 0000000000000005
[   17.166246][  T299] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   17.166735][  T299] R10: 00007f480852aee8 R11: 0000000000000246 R12: 0000000000000004
[   17.167217][  T299] R13: 00000000686e4627 R14: 0000000000499600 R15: 0000000000000000
| [   19.672781][  T341] ------------[ cut here ]------------
| [ 19.673106][ T341] WARNING: CPU: 3 PID: 341 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   19.673677][  T341] Modules linked in: 8021q vrf veth
| [   19.674541][  T341] Tainted: [W]=WARN
[   19.674754][  T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.675095][ T341] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 19.676448][ T341] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   19.677463][  T341] RSP: 0018:ffffc90000577140 EFLAGS: 00010246
[   19.677839][  T341] RAX: 0000000000000000 RBX: ffff88800a4fc000 RCX: 0000000000000001
[   19.678300][  T341] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   19.678712][  T341] RBP: ffffc90000577230 R08: ffff88800bc7e800 R09: 0000000000000000
[   19.679122][  T341] R10: ffffc900005775c8 R11: ffffffffb5050668 R12: 1ffff920000aee2c
[   19.679542][  T341] R13: 0000000000002710 R14: ffffc90000577880 R15: ffff88800be20060
[   19.679954][  T341] FS:  00007f85a8a06800(0000) GS:ffff888080037000(0000) knlGS:0000000000000000
[   19.680438][  T341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.680784][  T341] CR2: 00000000004e5ab8 CR3: 000000000e3fc003 CR4: 0000000000772ef0
[   19.681196][  T341] PKRU: 55555554
[   19.681410][  T341] Call Trace:
[   19.681617][  T341]  <TASK>
[ 19.681757][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.682037][ T341] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.682318][ T341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.682599][ T341] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.682875][ T341] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.683150][ T341] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.683438][ T341] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.683722][ T341] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.684071][ T341] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.684355][ T341] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.684629][ T341] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.684909][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.685189][ T341] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 19.685473][ T341] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.685817][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.686091][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.686375][ T341] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.686651][ T341] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.686925][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.687200][ T341] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.687482][ T341] ? __create_object (mm/kmemleak.c:771) 
[ 19.687760][ T341] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.688048][ T341] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.688335][ T341] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.688680][ T341] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.688961][ T341] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.689252][ T341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.689526][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.689815][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.690099][ T341] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.690393][ T341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.690677][ T341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.690959][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.691246][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.691525][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.691807][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.692099][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.692397][ T341] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.692694][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.692980][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 19.693277][ T341] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.693562][ T341] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.693854][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.694144][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.694435][ T341] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.694710][ T341] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.694998][ T341] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.695285][ T341] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.695571][ T341] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.695923][ T341] ___sys_sendmsg (net/socket.c:2670) 
[ 19.696194][ T341] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.696484][ T341] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 19.696825][ T341] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.697116][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.697409][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.697710][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.698000][ T341] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.698301][ T341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.698593][ T341] __sys_sendmsg (net/socket.c:2700) 
[ 19.698867][ T341] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.699236][ T341] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.699527][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.699802][ T341] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.700080][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.700460][  T341] RIP: 0033:0x7f85a8bd31e7
[ 19.700746][ T341] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   19.701762][  T341] RSP: 002b:00007fffc160be68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.702182][  T341] RAX: ffffffffffffffda RBX: 00007fffc160c590 RCX: 00007f85a8bd31e7
[   19.702617][  T341] RDX: 0000000000000000 RSI: 00007fffc160bed0 RDI: 0000000000000005
[   19.703037][  T341] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.703456][  T341] R10: 00007f85a8ad0ee8 R11: 0000000000000246 R12: 0000000000000004
[   19.703864][  T341] R13: 00000000686e462a R14: 0000000000499600 R15: 0000000000000000
| [   23.218792][  T400] ------------[ cut here ]------------
| [ 23.219110][ T400] WARNING: CPU: 0 PID: 400 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) 
| [   23.219675][  T400] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   23.220759][  T400] Tainted: [W]=WARN
[   23.220971][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.221327][ T400] 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) 
[ 23.221612][ T400] 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
[   23.222608][  T400] RSP: 0018:ffffc900004c7140 EFLAGS: 00010246
[   23.222966][  T400] RAX: 0000000000000000 RBX: ffff888008c94000 RCX: 0000000000000001
[   23.223391][  T400] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   23.223804][  T400] RBP: ffffc900004c7230 R08: ffff888004ce2000 R09: 0000000000000000
[   23.224229][  T400] R10: ffffc900004c75c8 R11: ffffffffb5050668 R12: 1ffff92000098e2c
[   23.224639][  T400] R13: 0000000000002710 R14: ffffc900004c7880 R15: ffff88800b888e60
[   23.225052][  T400] FS:  00007f754db25800(0000) GS:ffff88807feb7000(0000) knlGS:0000000000000000
[   23.225552][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.225908][  T400] CR2: 00000000004e5aa8 CR3: 000000000fa6d001 CR4: 0000000000772ef0
[   23.226348][  T400] PKRU: 55555554
[   23.226556][  T400] Call Trace:
[   23.226762][  T400]  <TASK>
[ 23.226901][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.227183][ T400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.227471][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.227757][ T400] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.228044][ T400] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 23.228330][ T400] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 23.228608][ T400] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 23.228888][ T400] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.229248][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.229529][ T400] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.229804][ T400] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.230083][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.230375][ T400] ? __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) 
[ 23.230653][ T400] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.230996][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.231287][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.231564][ T400] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.231845][ T400] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.232122][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.232406][ T400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.232681][ T400] ? __create_object (mm/kmemleak.c:771) 
[ 23.232960][ T400] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.233244][ T400] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.233521][ T400] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.233868][ T400] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.234148][ T400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.234440][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.234717][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.234999][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.235292][ T400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.235565][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.235845][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.236120][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.236408][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.236689][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.236969][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.237252][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.237529][ T400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.237814][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.238103][ T400] ? 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) 
[ 23.238388][ T400] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.238672][ T400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.238944][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.239239][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.239521][ T400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.239797][ T400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.240082][ T400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.240372][ T400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.240649][ T400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.241004][ T400] ___sys_sendmsg (net/socket.c:2670) 
[ 23.241287][ T400] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.241562][ T400] ? __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) 
[ 23.241907][ T400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.242190][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.242486][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.242770][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.243045][ T400] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.243332][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.243616][ T400] __sys_sendmsg (net/socket.c:2700) 
[ 23.243888][ T400] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.244239][ T400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.244530][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.244805][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.245083][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.245432][  T400] RIP: 0033:0x7f754dcf21e7
[ 23.245716][ T400] 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)
[   23.246716][  T400] RSP: 002b:00007fff1f101168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.247132][  T400] RAX: ffffffffffffffda RBX: 00007fff1f101890 RCX: 00007f754dcf21e7
[   23.247558][  T400] RDX: 0000000000000000 RSI: 00007fff1f1011d0 RDI: 0000000000000005
[   23.247976][  T400] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   23.248405][  T400] R10: 00007f754dbefee8 R11: 0000000000000246 R12: 0000000000000004
[   23.248815][  T400] R13: 00000000686e462e R14: 0000000000499600 R15: 0000000000000000
| [   23.732590][  T412] ------------[ cut here ]------------
| [ 23.732938][ T412] WARNING: CPU: 2 PID: 412 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) 
| [   23.734150][  T412] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   23.735431][  T412] Tainted: [W]=WARN
[   23.735678][  T412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.736074][ T412] 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) 
[ 23.736433][ T412] 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
[   23.737556][  T412] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   23.737961][  T412] RAX: 0000000000000000 RBX: ffff88800ba62000 RCX: 0000000000000001
[   23.738455][  T412] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   23.738935][  T412] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.739422][  T412] R10: ffffc900005d7010 R11: ffffffffb50a8918 R12: 1ffff920000bade2
[   23.739896][  T412] R13: 0000000000002710 R14: ffffc900005d7010 R15: ffff88800ba62f08
[   23.740386][  T412] FS:  00007fec87e01800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[   23.740937][  T412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.741360][  T412] CR2: 00000000004e5410 CR3: 000000000e501005 CR4: 0000000000772ef0
[   23.741835][  T412] PKRU: 55555554
[   23.742078][  T412] Call Trace:
[   23.742339][  T412]  <TASK>
[ 23.742514][ T412] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.742837][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.743165][ T412] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.743524][ T412] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.743938][ T412] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.744272][ T412] netif_set_mtu (net/core/dev.c:9652) 
[ 23.744596][ T412] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.744930][ T412] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.745393][ T412] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.745641][ T412] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.746082][ T412] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.746462][ T412] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.746788][ T412] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.747115][ T412] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.747529][ T412] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.747851][ T412] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.748184][ T412] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.748523][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.748846][ T412] ? __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) 
[ 23.749167][ T412] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.749570][ T412] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.749895][ T412] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.750213][ T412] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.750545][ T412] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.750871][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.751196][ T412] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.751522][ T412] ? __create_object (mm/kmemleak.c:771) 
[ 23.751847][ T412] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.752169][ T412] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.752500][ T412] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.752896][ T412] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.753234][ T412] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.753568][ T412] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.753894][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.754228][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.754552][ T412] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.754868][ T412] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.755234][ T412] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.755554][ T412] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.755877][ T412] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.756240][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.756573][ T412] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.756895][ T412] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.757261][ T412] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.757626][ T412] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.758240][ T412] ? 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) 
[ 23.758567][ T412] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.758898][ T412] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.759215][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.759775][ T412] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.760098][ T412] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.760425][ T412] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.760754][ T412] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.761307][ T412] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.761631][ T412] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.762035][ T412] ___sys_sendmsg (net/socket.c:2670) 
[ 23.762583][ T412] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.762903][ T412] ? __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) 
[ 23.763304][ T412] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.763627][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.764169][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.764505][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.764831][ T412] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.765149][ T412] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.765486][ T412] __sys_sendmsg (net/socket.c:2700) 
[ 23.765802][ T412] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.766215][ T412] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.766567][ T412] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.767112][ T412] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.767450][ T412] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.768073][  T412] RIP: 0033:0x7fec87fce1e7
[ 23.768410][ T412] 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)
[   23.769757][  T412] RSP: 002b:00007ffebab861d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.770477][  T412] RAX: ffffffffffffffda RBX: 00007ffebab86900 RCX: 00007fec87fce1e7
[   23.770970][  T412] RDX: 0000000000000000 RSI: 00007ffebab86240 RDI: 0000000000000005
[   23.771453][  T412] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.772148][  T412] R10: 00000000329f8910 R11: 0000000000000246 R12: 0000000000000004
[   23.772634][  T412] R13: 00000000686e462e R14: 0000000000499600 R15: 0000000000000000
| [   24.418735][  T429] ------------[ cut here ]------------
| [ 24.419121][ T429] WARNING: CPU: 1 PID: 429 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) 
| [   24.419984][  T429] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   24.421559][  T429] Tainted: [W]=WARN
[   24.421810][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.422412][ T429] 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) 
[ 24.422751][ T429] 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
[   24.424044][  T429] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   24.424616][  T429] RAX: 0000000000000000 RBX: ffff888009242000 RCX: 0000000000000001
[   24.425116][  T429] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   24.425806][  T429] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.426437][  T429] R10: ffffc900005a7010 R11: ffffffffb50a8918 R12: 1ffff920000b4de2
[   24.426925][  T429] R13: 0000000000002710 R14: ffffc900005a7010 R15: ffff888009242f08
[   24.427478][  T429] FS:  00007f9839491800(0000) GS:ffff88807ff37000(0000) knlGS:0000000000000000
[   24.428064][  T429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.428473][  T429] CR2: 00000000004e5418 CR3: 0000000004f62001 CR4: 0000000000772ef0
[   24.428952][  T429] PKRU: 55555554
[   24.429190][  T429] Call Trace:
[   24.429439][  T429]  <TASK>
[ 24.429607][ T429] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.429932][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.430266][ T429] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.430586][ T429] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.430988][ T429] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.431320][ T429] netif_set_mtu (net/core/dev.c:9652) 
[ 24.431644][ T429] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.431976][ T429] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.432441][ T429] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.432686][ T429] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.433126][ T429] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.433504][ T429] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.433833][ T429] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.434159][ T429] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.434575][ T429] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.434894][ T429] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.435213][ T429] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.435549][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.435873][ T429] ? __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) 
[ 24.436193][ T429] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.436603][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.436927][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.437256][ T429] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.437578][ T429] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.437901][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.438245][ T429] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.438566][ T429] ? __create_object (mm/kmemleak.c:771) 
[ 24.438891][ T429] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.439212][ T429] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.439553][ T429] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.439977][ T429] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.440319][ T429] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.440649][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.440970][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.441313][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.441637][ T429] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.441957][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.442295][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.442619][ T429] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.442943][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.443279][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.443608][ T429] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.443928][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.444260][ T429] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.444599][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.444919][ T429] ? 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) 
[ 24.445259][ T429] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.445584][ T429] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.445903][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.446241][ T429] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.446567][ T429] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.446894][ T429] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.447240][ T429] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.447588][ T429] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.447913][ T429] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.448348][ T429] ___sys_sendmsg (net/socket.c:2670) 
[ 24.448669][ T429] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.448993][ T429] ? __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) 
[ 24.449416][ T429] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.449740][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.450063][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.450399][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.450719][ T429] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.451045][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.451384][ T429] __sys_sendmsg (net/socket.c:2700) 
[ 24.451708][ T429] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.452107][ T429] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.452450][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.452773][ T429] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.453093][ T429] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.453500][  T429] RIP: 0033:0x7f983965e1e7
[ 24.453833][ T429] 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)
[   24.454992][  T429] RSP: 002b:00007ffcb9ef72b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.455489][  T429] RAX: ffffffffffffffda RBX: 00007ffcb9ef79e0 RCX: 00007f983965e1e7
[   24.455968][  T429] RDX: 0000000000000000 RSI: 00007ffcb9ef7320 RDI: 0000000000000005
[   24.456459][  T429] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.456943][  T429] R10: 000000003551c910 R11: 0000000000000246 R12: 0000000000000004
[   24.457439][  T429] R13: 00000000686e462f R14: 0000000000499600 R15: 0000000000000000
| [   25.076887][  T447] ------------[ cut here ]------------
| [ 25.077283][ T447] WARNING: CPU: 0 PID: 447 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) 
| [   25.077835][  T447] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.078924][  T447] Tainted: [W]=WARN
[   25.079135][  T447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.079491][ T447] 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) 
[ 25.079774][ T447] 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
[   25.080760][  T447] RSP: 0018:ffffc900006b7140 EFLAGS: 00010246
[   25.081108][  T447] RAX: 0000000000000000 RBX: ffff88800bed4000 RCX: 0000000000000001
[   25.081528][  T447] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   25.081936][  T447] RBP: ffffc900006b7230 R08: ffff888009170800 R09: 0000000000000000
[   25.082362][  T447] R10: ffffc900006b75c8 R11: ffffffffb5050668 R12: 1ffff920000d6e2c
[   25.082771][  T447] R13: 0000000000002710 R14: ffffc900006b7880 R15: ffff88800be226e0
[   25.083188][  T447] FS:  00007ff9345f6800(0000) GS:ffff88807feb7000(0000) knlGS:0000000000000000
[   25.083675][  T447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.084020][  T447] CR2: 00000000004e5ab0 CR3: 000000000b636006 CR4: 0000000000772ef0
[   25.084439][  T447] PKRU: 55555554
[   25.084646][  T447] Call Trace:
[   25.084852][  T447]  <TASK>
[ 25.084995][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.085285][ T447] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.085559][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.085835][ T447] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.086109][ T447] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 25.086392][ T447] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 25.086669][ T447] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 25.086950][ T447] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.087306][ T447] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.087580][ T447] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.087854][ T447] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.088137][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.088425][ T447] ? __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) 
[ 25.088701][ T447] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.089047][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.089334][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.089611][ T447] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.089883][ T447] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.090158][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.090440][ T447] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.090713][ T447] ? __create_object (mm/kmemleak.c:771) 
[ 25.090991][ T447] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.091279][ T447] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.091553][ T447] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.091894][ T447] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.092175][ T447] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.092463][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.092737][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.093018][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.093309][ T447] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.093584][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.093860][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.094133][ T447] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.094418][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.094698][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.094976][ T447] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.095257][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.095537][ T447] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.095823][ T447] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.096093][ T447] ? 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) 
[ 25.096394][ T447] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.096674][ T447] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.096948][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.097244][ T447] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.097529][ T447] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.097805][ T447] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.098096][ T447] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.098384][ T447] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.098657][ T447] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.099008][ T447] ___sys_sendmsg (net/socket.c:2670) 
[ 25.099290][ T447] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.099567][ T447] ? __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) 
[ 25.099908][ T447] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.100185][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.100472][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.100753][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.101026][ T447] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.101309][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.101595][ T447] __sys_sendmsg (net/socket.c:2700) 
[ 25.101866][ T447] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.102205][ T447] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.102504][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.102779][ T447] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.103055][ T447] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.103406][  T447] RIP: 0033:0x7ff9347c31e7
[ 25.103693][ T447] 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)
[   25.104682][  T447] RSP: 002b:00007ffc151bd718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.105096][  T447] RAX: ffffffffffffffda RBX: 00007ffc151bde40 RCX: 00007ff9347c31e7
[   25.105526][  T447] RDX: 0000000000000000 RSI: 00007ffc151bd780 RDI: 0000000000000005
[   25.105938][  T447] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   25.106364][  T447] R10: 00007ff9346c0ee8 R11: 0000000000000246 R12: 0000000000000004
[   25.106778][  T447] R13: 00000000686e462f R14: 0000000000499600 R15: 0000000000000000
| [   25.579320][  T459] ------------[ cut here ]------------
| [ 25.579637][ T459] WARNING: CPU: 0 PID: 459 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) 
| [   25.580261][  T459] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.581443][  T459] Tainted: [W]=WARN
[   25.581676][  T459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.582058][ T459] 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) 
[ 25.582387][ T459] 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
[   25.584979][  T459] RSP: 0018:ffffc90000776ef0 EFLAGS: 00010246
[   25.585382][  T459] RAX: 0000000000000000 RBX: ffff88800ba62000 RCX: 0000000000000001
[   25.585842][  T459] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   25.586307][  T459] RBP: ffffc90000776fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.586767][  T459] R10: ffffc90000777010 R11: ffffffffb50a8918 R12: 1ffff920000eede2
[   25.587232][  T459] R13: 0000000000002710 R14: ffffc90000777010 R15: ffff88800ba62f08
[   25.587693][  T459] FS:  00007f9282c3c800(0000) GS:ffff88807feb7000(0000) knlGS:0000000000000000
[   25.588248][  T459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.588635][  T459] CR2: 00000000004e5410 CR3: 000000000a5a9006 CR4: 0000000000772ef0
[   25.589098][  T459] PKRU: 55555554
[   25.589334][  T459] Call Trace:
[   25.589568][  T459]  <TASK>
[ 25.589728][ T459] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.590042][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.590363][ T459] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.590672][ T459] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.591057][ T459] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.591375][ T459] netif_set_mtu (net/core/dev.c:9652) 
[ 25.591685][ T459] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.592008][ T459] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.592459][ T459] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.592694][ T459] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.593118][ T459] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.593482][ T459] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.593795][ T459] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.594107][ T459] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.594510][ T459] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.594819][ T459] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.595124][ T459] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.595462][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.595772][ T459] ? __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) 
[ 25.596084][ T459] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.596477][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.596803][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.597118][ T459] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.597439][ T459] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.597755][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.598075][ T459] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.598387][ T459] ? __create_object (mm/kmemleak.c:771) 
[ 25.598698][ T459] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.599005][ T459] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.599324][ T459] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.599707][ T459] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.600021][ T459] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.600343][ T459] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.600649][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.600962][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.601278][ T459] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.601583][ T459] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.601897][ T459] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.602203][ T459] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.602520][ T459] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.602832][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.603377][ T459] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.603686][ T459] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.603993][ T459] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.604325][ T459] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.604630][ T459] ? 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) 
[ 25.604937][ T459] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.605255][ T459] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.605560][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.605870][ T459] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.606413][ T459] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.606724][ T459] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.607269][ T459] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.607580][ T459] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.607885][ T459] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.608304][ T459] ___sys_sendmsg (net/socket.c:2670) 
[ 25.608613][ T459] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.608917][ T459] ? __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) 
[ 25.609315][ T459] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.609626][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.610166][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.610487][ T459] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.610793][ T459] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.611099][ T459] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.611421][ T459] __sys_sendmsg (net/socket.c:2700) 
[ 25.611727][ T459] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.612344][ T459] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.612668][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.612978][ T459] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.613294][ T459] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.613673][  T459] RIP: 0033:0x7f9282e091e7
[ 25.614215][ T459] 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)
[   25.615332][  T459] RSP: 002b:00007fff249803e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.616030][  T459] RAX: ffffffffffffffda RBX: 00007fff24980b10 RCX: 00007f9282e091e7
[   25.616499][  T459] RDX: 0000000000000000 RSI: 00007fff24980450 RDI: 0000000000000005
[   25.617415][  T459] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.617882][  T459] R10: 0000000021e50910 R11: 0000000000000246 R12: 0000000000000004
[   25.618364][  T459] R13: 00000000686e4630 R14: 0000000000499600 R15: 0000000000000000
| [   26.222366][  T476] ------------[ cut here ]------------
| [ 26.222701][ T476] WARNING: CPU: 2 PID: 476 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) 
| [   26.223339][  T476] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.224778][  T476] Tainted: [W]=WARN
[   26.225028][  T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.225433][ T476] 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) 
[ 26.225760][ T476] 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
[   26.226874][  T476] RSP: 0018:ffffc90000a06ef0 EFLAGS: 00010246
[   26.227284][  T476] RAX: 0000000000000000 RBX: ffff888009242000 RCX: 0000000000000001
[   26.227758][  T476] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   26.228254][  T476] RBP: ffffc90000a06fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.228726][  T476] R10: ffffc90000a07010 R11: ffffffffb50a8918 R12: 1ffff92000140de2
[   26.229194][  T476] R13: 0000000000002710 R14: ffffc90000a07010 R15: ffff888009242f08
[   26.229671][  T476] FS:  00007f9f666d8800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[   26.230227][  T476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.230623][  T476] CR2: 00000000004e5418 CR3: 000000000e3c3004 CR4: 0000000000772ef0
[   26.231102][  T476] PKRU: 55555554
[   26.231356][  T476] Call Trace:
[   26.231601][  T476]  <TASK>
[ 26.231772][ T476] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.232094][ T476] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.232428][ T476] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.232748][ T476] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.233140][ T476] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.233471][ T476] netif_set_mtu (net/core/dev.c:9652) 
[ 26.233790][ T476] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.234121][ T476] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.234592][ T476] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.234839][ T476] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.235293][ T476] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.235667][ T476] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.235992][ T476] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.236325][ T476] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.236727][ T476] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.237049][ T476] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.237375][ T476] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.237701][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.238036][ T476] ? __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) 
[ 26.238368][ T476] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.238764][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.239088][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.239417][ T476] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.239744][ T476] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.240065][ T476] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.240395][ T476] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.240710][ T476] ? __create_object (mm/kmemleak.c:771) 
[ 26.241034][ T476] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.241361][ T476] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.241686][ T476] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.242083][ T476] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.242423][ T476] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.242745][ T476] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.243063][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.243397][ T476] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.243716][ T476] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.244032][ T476] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.244361][ T476] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.244690][ T476] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.245010][ T476] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.245339][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.245663][ T476] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.245979][ T476] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.246306][ T476] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.246635][ T476] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.246957][ T476] ? 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) 
[ 26.247286][ T476] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.247610][ T476] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.247927][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.248275][ T476] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.248601][ T476] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.248919][ T476] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.249261][ T476] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.249586][ T476] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.249900][ T476] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.250314][ T476] ___sys_sendmsg (net/socket.c:2670) 
[ 26.250629][ T476] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.250951][ T476] ? __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) 
[ 26.251356][ T476] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.251685][ T476] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.252009][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.252342][ T476] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.252663][ T476] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.252979][ T476] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.253315][ T476] __sys_sendmsg (net/socket.c:2700) 
[ 26.253631][ T476] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.254024][ T476] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.254371][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.254695][ T476] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.255015][ T476] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.255417][  T476] RIP: 0033:0x7f9f668a51e7
[ 26.255755][ T476] 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)
[   26.256863][  T476] RSP: 002b:00007ffc8e9a25f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.257343][  T476] RAX: ffffffffffffffda RBX: 00007ffc8e9a2d20 RCX: 00007f9f668a51e7
[   26.257817][  T476] RDX: 0000000000000000 RSI: 00007ffc8e9a2660 RDI: 0000000000000005
[   26.258328][  T476] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.258798][  T476] R10: 00000000322d1910 R11: 0000000000000246 R12: 0000000000000004
[   26.259281][  T476] R13: 00000000686e4631 R14: 0000000000499600 R15: 0000000000000000
| [  110.980658][  T846] ------------[ cut here ]------------
| [ 110.980980][ T846] WARNING: CPU: 1 PID: 846 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  110.981632][  T846] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  110.982907][  T846] Tainted: [W]=WARN
[  110.983140][  T846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.983534][ T846] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 110.983851][ T846] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  110.984955][  T846] RSP: 0018:ffffc9000117ef70 EFLAGS: 00010246
[  110.985350][  T846] RAX: 0000000000000000 RBX: ffff888009242000 RCX: 0000000000000001
[  110.985807][  T846] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[  110.986283][  T846] RBP: ffffc9000117f058 R08: 0000000000000000 R09: 0000000000000000
[  110.986745][  T846] R10: ffffc9000117f088 R11: ffffffffb0600130 R12: 1ffff9200022fdf2
[  110.987199][  T846] R13: 0000000000002710 R14: ffffc9000117f088 R15: ffff888009242f08
[  110.988553][  T846] FS:  00007f5c8f7b1800(0000) GS:ffff88807ff37000(0000) knlGS:0000000000000000
[  110.989088][  T846] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.989488][  T846] CR2: 00000000004e5630 CR3: 0000000008f18005 CR4: 0000000000772ef0
[  110.989944][  T846] PKRU: 55555554
[  110.990174][  T846] Call Trace:
[  110.990422][  T846]  <TASK>
[ 110.990577][ T846] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 110.990966][ T846] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 110.991326][ T846] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 110.991646][ T846] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 110.991946][ T846] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.992255][ T846] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.992562][ T846] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.992863][ T846] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.993171][ T846] ? ___sys_sendmsg (net/socket.c:2670) 
[ 110.993482][ T846] ? __sys_sendmsg (net/socket.c:2700) 
[ 110.993785][ T846] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.994104][ T846] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 110.994501][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.994815][ T846] netif_set_mtu (net/core/dev.c:9652) 
[ 110.995117][ T846] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.995443][ T846] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.995672][ T846] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.996091][ T846] br_del_if (net/bridge/br_if.c:743) bridge 
[ 110.996444][ T846] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 110.996748][ T846] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 110.997054][ T846] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 110.997368][ T846] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 110.997750][ T846] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 110.998054][ T846] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 110.998384][ T846] ? __kernel_text_address (kernel/extable.c:79) 
[ 110.998701][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.999007][ T846] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 110.999334][ T846] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 110.999708][ T846] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.000014][ T846] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.000324][ T846] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 111.000626][ T846] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 111.000932][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.001245][ T846] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.001544][ T846] ? __create_object (mm/kmemleak.c:771) 
[ 111.001859][ T846] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 111.002166][ T846] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 111.002489][ T846] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 111.002866][ T846] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 111.003175][ T846] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.003499][ T846] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.003807][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.004118][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.004436][ T846] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.004737][ T846] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.005041][ T846] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.005350][ T846] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.005657][ T846] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.005968][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.006294][ T846] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.006597][ T846] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.006901][ T846] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.007214][ T846] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.007526][ T846] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.007831][ T846] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.008153][ T846] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.008462][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.008771][ T846] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.009078][ T846] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.009391][ T846] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.009706][ T846] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.010014][ T846] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.010337][ T846] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.010726][ T846] ___sys_sendmsg (net/socket.c:2670) 
[ 111.011031][ T846] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 111.011342][ T846] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 111.011723][ T846] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.012028][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.012343][ T846] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.012655][ T846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.012958][ T846] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 111.013271][ T846] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.013584][ T846] __sys_sendmsg (net/socket.c:2700) 
[ 111.013883][ T846] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 111.014274][ T846] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.014590][ T846] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.014897][ T846] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.015199][ T846] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.015580][  T846] RIP: 0033:0x7f5c8f97e1e7
[ 111.015891][ T846] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.016973][  T846] RSP: 002b:00007fff6635fcd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.017445][  T846] RAX: ffffffffffffffda RBX: 00007fff66360400 RCX: 00007f5c8f97e1e7
[  111.017902][  T846] RDX: 0000000000000000 RSI: 00007fff6635fd40 RDI: 0000000000000005
[  111.018390][  T846] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  111.018845][  T846] R10: 00007f5c8f87bee8 R11: 0000000000000246 R12: 0000000000000003
[  111.019312][  T846] R13: 00000000686e4685 R14: 0000000000499600 R15: 0000000000000000
| [  111.490112][  T854] ------------[ cut here ]------------
| [ 111.491848][ T854] WARNING: CPU: 2 PID: 854 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.492476][  T854] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  111.493760][  T854] Tainted: [W]=WARN
[  111.494003][  T854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.494524][ T854] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.494854][ T854] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.495964][  T854] RSP: 0018:ffffc9000119ef70 EFLAGS: 00010246
[  111.496370][  T854] RAX: 0000000000000000 RBX: ffff88800ba62000 RCX: 0000000000000001
[  111.496867][  T854] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[  111.497357][  T854] RBP: ffffc9000119f058 R08: 0000000000000000 R09: 0000000000000000
[  111.497826][  T854] R10: ffffc9000119f088 R11: ffffffffb4779160 R12: 1ffff92000233df2
[  111.498318][  T854] R13: 0000000000002710 R14: ffffc9000119f088 R15: ffff88800ba62f08
[  111.498784][  T854] FS:  00007fb574a45800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[  111.499341][  T854] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.499739][  T854] CR2: 00000000004e5628 CR3: 0000000008cd7005 CR4: 0000000000772ef0
[  111.500208][  T854] PKRU: 55555554
[  111.500463][  T854] Call Trace:
[  111.500703][  T854]  <TASK>
[ 111.500869][ T854] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 111.501274][ T854] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 111.501659][ T854] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 111.501977][ T854] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 111.502309][ T854] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.502625][ T854] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.502941][ T854] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.503264][ T854] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.503580][ T854] ? ___sys_sendmsg (net/socket.c:2670) 
[ 111.503896][ T854] ? __sys_sendmsg (net/socket.c:2700) 
[ 111.504212][ T854] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.504541][ T854] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 111.504927][ T854] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.505265][ T854] netif_set_mtu (net/core/dev.c:9652) 
[ 111.505581][ T854] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.505914][ T854] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.506156][ T854] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.506609][ T854] br_del_if (net/bridge/br_if.c:743) bridge 
[ 111.506960][ T854] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 111.507306][ T854] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 111.507627][ T854] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 111.507949][ T854] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 111.508363][ T854] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 111.508679][ T854] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 111.508993][ T854] ? __kernel_text_address (kernel/extable.c:79) 
[ 111.509334][ T854] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.509652][ T854] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 111.509971][ T854] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 111.510371][ T854] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.510688][ T854] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.511002][ T854] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 111.511331][ T854] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 111.511652][ T854] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.511969][ T854] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.512290][ T854] ? __create_object (mm/kmemleak.c:771) 
[ 111.512613][ T854] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 111.512940][ T854] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 111.513266][ T854] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 111.513662][ T854] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 111.513994][ T854] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.514327][ T854] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.514644][ T854] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.514965][ T854] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.515293][ T854] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.515608][ T854] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.515929][ T854] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.516254][ T854] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.516577][ T854] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.516898][ T854] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.517217][ T854] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.517546][ T854] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.517862][ T854] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.518204][ T854] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.518529][ T854] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.518859][ T854] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.519174][ T854] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.519502][ T854] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.519822][ T854] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.520144][ T854] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.520472][ T854] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.520797][ T854] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.521119][ T854] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.521452][ T854] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.521852][ T854] ___sys_sendmsg (net/socket.c:2670) 
[ 111.522168][ T854] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 111.522491][ T854] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 111.522885][ T854] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.523205][ T854] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.523541][ T854] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.523864][ T854] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.524185][ T854] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 111.524538][ T854] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.524870][ T854] __sys_sendmsg (net/socket.c:2700) 
[ 111.525184][ T854] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 111.525586][ T854] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.525916][ T854] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.526251][ T854] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.526569][ T854] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.526960][  T854] RIP: 0033:0x7fb574c121e7
[ 111.527297][ T854] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.528412][  T854] RSP: 002b:00007ffd159762d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.528886][  T854] RAX: ffffffffffffffda RBX: 00007ffd15976a00 RCX: 00007fb574c121e7
[  111.529364][  T854] RDX: 0000000000000000 RSI: 00007ffd15976340 RDI: 0000000000000005
[  111.529828][  T854] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  111.530311][  T854] R10: 00007fb574b0fee8 R11: 0000000000000246 R12: 0000000000000003
[  111.530777][  T854] R13: 00000000686e4686 R14: 0000000000499600 R15: 0000000000000000
| [  111.822823][  T858] ------------[ cut here ]------------
| [ 111.823170][ T858] WARNING: CPU: 2 PID: 858 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  111.823768][  T858] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  111.826695][  T858] Tainted: [W]=WARN
[  111.827040][  T858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.827512][ T858] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 111.827812][ T858] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  111.828817][  T858] RSP: 0018:ffffc90000faf140 EFLAGS: 00010246
[  111.829183][  T858] RAX: 0000000000000000 RBX: ffff88800bed4000 RCX: 0000000000000001
[  111.829614][  T858] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[  111.830035][  T858] RBP: ffffc90000faf230 R08: ffff888009116800 R09: 0000000000000000
[  111.830467][  T858] R10: ffffc90000faf5c8 R11: ffffffffb5050668 R12: 1ffff920001f5e2c
[  111.830895][  T858] R13: 00000000000005dc R14: ffffc90000faf880 R15: ffff88800b618e60
[  111.831323][  T858] FS:  00007f58f3e3d800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[  111.831813][  T858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.832168][  T858] CR2: 00000000004e5ab0 CR3: 000000000f98e005 CR4: 0000000000772ef0
[  111.832598][  T858] PKRU: 55555554
[  111.832823][  T858] Call Trace:
[  111.833039][  T858]  <TASK>
[ 111.833190][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.833496][ T858] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.833782][ T858] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.834072][ T858] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 111.834368][ T858] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 111.834656][ T858] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 111.834950][ T858] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 111.835259][ T858] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 111.835619][ T858] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 111.835903][ T858] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 111.836185][ T858] ? __kernel_text_address (kernel/extable.c:79) 
[ 111.836484][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.836772][ T858] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 111.837065][ T858] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 111.837430][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.837721][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.838003][ T858] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 111.838307][ T858] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 111.838592][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.838880][ T858] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.839165][ T858] ? __create_object (mm/kmemleak.c:771) 
[ 111.839462][ T858] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 111.839747][ T858] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 111.840032][ T858] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 111.840393][ T858] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 111.840687][ T858] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.840985][ T858] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.841283][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.841581][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.841869][ T858] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.842153][ T858] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.842457][ T858] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.842740][ T858] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.843029][ T858] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.843327][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.843618][ T858] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.843908][ T858] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.844196][ T858] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.844502][ T858] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.844788][ T858] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 111.845076][ T858] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.845377][ T858] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.845666][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.845957][ T858] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.846258][ T858] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.846547][ T858] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.846839][ T858] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.847127][ T858] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.847423][ T858] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.847789][ T858] ___sys_sendmsg (net/socket.c:2670) 
[ 111.848076][ T858] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 111.848384][ T858] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 111.848740][ T858] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.849030][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.849330][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.849624][ T858] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.849909][ T858] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 111.850201][ T858] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.850507][ T858] __sys_sendmsg (net/socket.c:2700) 
[ 111.850793][ T858] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 111.851144][ T858] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.851453][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.851741][ T858] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.852025][ T858] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.852393][  T858] RIP: 0033:0x7f58f400a1e7
[ 111.852689][ T858] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  111.853685][  T858] RSP: 002b:00007ffcfc6ce0e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.854139][  T858] RAX: ffffffffffffffda RBX: 00007ffcfc6ce810 RCX: 00007f58f400a1e7
[  111.854588][  T858] RDX: 0000000000000000 RSI: 00007ffcfc6ce150 RDI: 0000000000000005
[  111.855011][  T858] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  111.855440][  T858] R10: 00007f58f3f07ee8 R11: 0000000000000246 R12: 0000000000000004
[  111.855860][  T858] R13: 00000000686e4686 R14: 0000000000499600 R15: 0000000000000000
| [  112.256400][  T865] ------------[ cut here ]------------
| [ 112.256913][ T865] WARNING: CPU: 2 PID: 865 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.257660][  T865] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  112.258948][  T865] Tainted: [W]=WARN
[  112.259188][  T865] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.259612][ T865] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.259941][ T865] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.261034][  T865] RSP: 0018:ffffc900011eef70 EFLAGS: 00010246
[  112.261436][  T865] RAX: 0000000000000000 RBX: ffff888009242000 RCX: 0000000000000001
[  112.261907][  T865] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[  112.262386][  T865] RBP: ffffc900011ef058 R08: 0000000000000000 R09: 0000000000000000
[  112.262850][  T865] R10: ffffc900011ef088 R11: ffffffffb4779160 R12: 1ffff9200023ddf2
[  112.263338][  T865] R13: 00000000000005dc R14: ffffc900011ef088 R15: ffff888009242f08
[  112.263813][  T865] FS:  00007f271d8b6800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[  112.264364][  T865] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.264758][  T865] CR2: 00000000004e73c0 CR3: 000000000bb77003 CR4: 0000000000772ef0
[  112.265234][  T865] PKRU: 55555554
[  112.265474][  T865] Call Trace:
[  112.265743][  T865]  <TASK>
[ 112.265917][ T865] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 112.266326][ T865] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 112.266693][ T865] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.267008][ T865] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.267348][ T865] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.267669][ T865] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.267986][ T865] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.268326][ T865] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.268643][ T865] ? ___sys_sendmsg (net/socket.c:2670) 
[ 112.268955][ T865] ? __sys_sendmsg (net/socket.c:2700) 
[ 112.269279][ T865] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.269591][ T865] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 112.269979][ T865] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.270315][ T865] netif_set_mtu (net/core/dev.c:9652) 
[ 112.270639][ T865] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.270974][ T865] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.271242][ T865] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.271684][ T865] br_del_if (net/bridge/br_if.c:743) bridge 
[ 112.272034][ T865] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 112.272366][ T865] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.272685][ T865] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.273003][ T865] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 112.273415][ T865] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 112.273730][ T865] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 112.274045][ T865] ? __kernel_text_address (kernel/extable.c:79) 
[ 112.274375][ T865] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.274695][ T865] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 112.275014][ T865] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 112.275424][ T865] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.275755][ T865] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.276069][ T865] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 112.276393][ T865] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 112.276709][ T865] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.277023][ T865] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.277345][ T865] ? __create_object (mm/kmemleak.c:771) 
[ 112.277662][ T865] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 112.277980][ T865] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 112.278326][ T865] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 112.278714][ T865] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 112.279035][ T865] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.279393][ T865] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.279718][ T865] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.280043][ T865] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.280370][ T865] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.280689][ T865] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.281006][ T865] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.281333][ T865] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.281652][ T865] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.281970][ T865] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.282310][ T865] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.282630][ T865] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.282946][ T865] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.283299][ T865] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.283613][ T865] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.283931][ T865] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.284260][ T865] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.284577][ T865] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.284896][ T865] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.285215][ T865] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.285543][ T865] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.285865][ T865] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.286181][ T865] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.286508][ T865] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.286905][ T865] ___sys_sendmsg (net/socket.c:2670) 
[ 112.287217][ T865] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 112.287554][ T865] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 112.287951][ T865] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.288289][ T865] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.288609][ T865] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.288929][ T865] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.289258][ T865] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 112.289571][ T865] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.289895][ T865] __sys_sendmsg (net/socket.c:2700) 
[ 112.290213][ T865] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 112.290616][ T865] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.290943][ T865] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.291281][ T865] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.291601][ T865] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.291991][  T865] RIP: 0033:0x7f271da831e7
[ 112.292328][ T865] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.293464][  T865] RSP: 002b:00007ffdfe576f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.293936][  T865] RAX: ffffffffffffffda RBX: 00007ffdfe577670 RCX: 00007f271da831e7
[  112.294415][  T865] RDX: 0000000000000000 RSI: 00007ffdfe576fb0 RDI: 0000000000000005
[  112.294887][  T865] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  112.295377][  T865] R10: 00007f271d980ee8 R11: 0000000000000246 R12: 0000000000000003
[  112.295850][  T865] R13: 00000000686e4687 R14: 0000000000499600 R15: 0000000000000000
| [  112.722091][  T871] ------------[ cut here ]------------
| [ 112.722666][ T871] WARNING: CPU: 3 PID: 871 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  112.723519][  T871] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  112.724956][  T871] Tainted: [W]=WARN
[  112.725186][  T871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.725784][ T871] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 112.726104][ T871] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  112.727471][  T871] RSP: 0018:ffffc9000124ef70 EFLAGS: 00010246
[  112.727854][  T871] RAX: 0000000000000000 RBX: ffff88800ba62000 RCX: 0000000000000001
[  112.728534][  T871] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[  112.728994][  T871] RBP: ffffc9000124f058 R08: 0000000000000000 R09: 0000000000000000
[  112.729593][  T871] R10: ffffc9000124f088 R11: ffffffffb4779160 R12: 1ffff92000249df2
[  112.730054][  T871] R13: 00000000000005dc R14: ffffc9000124f088 R15: ffff88800ba62f08
[  112.730664][  T871] FS:  00007ff4c1cb4800(0000) GS:ffff888080037000(0000) knlGS:0000000000000000
[  112.731196][  T871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.731727][  T871] CR2: 00000000004e73b8 CR3: 000000000e685003 CR4: 0000000000772ef0
[  112.732191][  T871] PKRU: 55555554
[  112.732564][  T871] Call Trace:
[  112.732792][  T871]  <TASK>
[ 112.732949][ T871] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 112.733338][ T871] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 112.733688][ T871] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.733990][ T871] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.734299][ T871] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.734601][ T871] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.734907][ T871] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.735206][ T871] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.735519][ T871] ? ___sys_sendmsg (net/socket.c:2670) 
[ 112.735823][ T871] ? __sys_sendmsg (net/socket.c:2700) 
[ 112.736124][ T871] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.736434][ T871] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 112.736813][ T871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.737128][ T871] netif_set_mtu (net/core/dev.c:9652) 
[ 112.737449][ T871] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.737770][ T871] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.737999][ T871] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 112.738447][ T871] br_del_if (net/bridge/br_if.c:743) bridge 
[ 112.738787][ T871] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 112.739089][ T871] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.739409][ T871] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.739722][ T871] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 112.740111][ T871] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 112.740421][ T871] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 112.740727][ T871] ? __kernel_text_address (kernel/extable.c:79) 
[ 112.741035][ T871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.741351][ T871] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 112.741653][ T871] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 112.742036][ T871] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.742352][ T871] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.742656][ T871] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 112.742957][ T871] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 112.743271][ T871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.743583][ T871] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.743899][ T871] ? __create_object (mm/kmemleak.c:771) 
[ 112.744206][ T871] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 112.744527][ T871] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 112.744853][ T871] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 112.745245][ T871] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 112.745558][ T871] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.745866][ T871] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.746170][ T871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.746491][ T871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.746802][ T871] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.747101][ T871] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.747418][ T871] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.747729][ T871] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.748035][ T871] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.748363][ T871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.748673][ T871] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.748980][ T871] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.749299][ T871] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.749615][ T871] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.749917][ T871] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 112.750231][ T871] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 112.750541][ T871] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.750843][ T871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.751151][ T871] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.751473][ T871] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.751777][ T871] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.752086][ T871] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.752402][ T871] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.752704][ T871] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.753089][ T871] ___sys_sendmsg (net/socket.c:2670) 
[ 112.753394][ T871] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 112.753700][ T871] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 112.754078][ T871] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.754389][ T871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.754698][ T871] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.755005][ T871] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.755317][ T871] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 112.755620][ T871] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.755935][ T871] __sys_sendmsg (net/socket.c:2700) 
[ 112.756245][ T871] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 112.756620][ T871] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.756935][ T871] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.757247][ T871] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.757551][ T871] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.757925][  T871] RIP: 0033:0x7ff4c1e811e7
[ 112.758257][ T871] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  112.759371][  T871] RSP: 002b:00007ffc037ad108 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.760131][  T871] RAX: ffffffffffffffda RBX: 00007ffc037ad830 RCX: 00007ff4c1e811e7
[  112.760909][  T871] RDX: 0000000000000000 RSI: 00007ffc037ad170 RDI: 0000000000000005
[  112.761693][  T871] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  112.762519][  T871] R10: 00007ff4c1d7eee8 R11: 0000000000000246 R12: 0000000000000003
[  112.763340][  T871] R13: 00000000686e4687 R14: 0000000000499600 R15: 0000000000000000
| [  113.082635][  T875] ------------[ cut here ]------------
| [ 113.082978][ T875] WARNING: CPU: 2 PID: 875 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) 
| [  113.083960][  T875] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  113.085136][  T875] Tainted: [W]=WARN
[  113.085367][  T875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.085723][ T875] 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) 
[ 113.086025][ T875] 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
[  113.087030][  T875] RSP: 0018:ffffc9000128f140 EFLAGS: 00010246
[  113.087403][  T875] RAX: 0000000000000000 RBX: ffff888008c94000 RCX: 0000000000000001
[  113.087834][  T875] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[  113.088274][  T875] RBP: ffffc9000128f230 R08: ffff888009176800 R09: 0000000000000000
[  113.088695][  T875] R10: ffffc9000128f5c8 R11: ffffffffb5050668 R12: 1ffff92000251e2c
[  113.089115][  T875] R13: 00000000000005dc R14: ffffc9000128f880 R15: ffff88800e7f18e0
[  113.089555][  T875] FS:  00007fe44042d800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[  113.090068][  T875] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.090434][  T875] CR2: 00000000004e5aa8 CR3: 000000000b794004 CR4: 0000000000772ef0
[  113.090857][  T875] PKRU: 55555554
[  113.091075][  T875] Call Trace:
[  113.091308][  T875]  <TASK>
[ 113.091460][ T875] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.091758][ T875] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.092041][ T875] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.092338][ T875] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 113.092624][ T875] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 113.092912][ T875] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 113.093199][ T875] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 113.093505][ T875] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.093863][ T875] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.094148][ T875] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.094440][ T875] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.094728][ T875] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.095018][ T875] ? __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) 
[ 113.095319][ T875] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.095678][ T875] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.095967][ T875] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.096261][ T875] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.096545][ T875] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.096832][ T875] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.097119][ T875] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.097413][ T875] ? __create_object (mm/kmemleak.c:771) 
[ 113.097701][ T875] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.097995][ T875] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.098305][ T875] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.098661][ T875] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.098954][ T875] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.099254][ T875] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.099539][ T875] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.099834][ T875] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.100122][ T875] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.100424][ T875] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.100713][ T875] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.101026][ T875] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.101323][ T875] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.101613][ T875] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.101903][ T875] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.102188][ T875] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.102489][ T875] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.102788][ T875] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.103070][ T875] ? 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) 
[ 113.103366][ T875] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 113.103654][ T875] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.103936][ T875] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.104239][ T875] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.104534][ T875] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.104819][ T875] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.105110][ T875] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.105408][ T875] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.105689][ T875] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.106053][ T875] ___sys_sendmsg (net/socket.c:2670) 
[ 113.106342][ T875] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.106635][ T875] ? __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) 
[ 113.106988][ T875] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.107287][ T875] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.107575][ T875] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.107867][ T875] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.108168][ T875] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.108476][ T875] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.108775][ T875] __sys_sendmsg (net/socket.c:2700) 
[ 113.109064][ T875] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.109425][ T875] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.109724][ T875] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.110010][ T875] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.110307][ T875] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.110655][  T875] RIP: 0033:0x7fe4405fa1e7
[ 113.110954][ T875] 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)
[  113.111953][  T875] RSP: 002b:00007ffdf04bcfb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.112387][  T875] RAX: ffffffffffffffda RBX: 00007ffdf04bd6e0 RCX: 00007fe4405fa1e7
[  113.112815][  T875] RDX: 0000000000000000 RSI: 00007ffdf04bd020 RDI: 0000000000000005
[  113.113244][  T875] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  113.113665][  T875] R10: 00007fe4404f7ee8 R11: 0000000000000246 R12: 0000000000000004
[  113.114089][  T875] R13: 00000000686e4687 R14: 0000000000499600 R15: 0000000000000000
| [  114.300093][  T889] ------------[ cut here ]------------
| [ 114.300761][ T889] WARNING: CPU: 2 PID: 889 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) 
| [  114.301427][  T889] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  114.302760][  T889] Tainted: [W]=WARN
[  114.303021][  T889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 114.303457][ T889] 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) 
[ 114.303800][ T889] 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
[  114.304942][  T889] RSP: 0018:ffffc900012df140 EFLAGS: 00010246
[  114.305372][  T889] RAX: 0000000000000000 RBX: ffff88800a4fc000 RCX: 0000000000000001
[  114.305864][  T889] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[  114.306361][  T889] RBP: ffffc900012df230 R08: ffff888005065000 R09: 0000000000000000
[  114.306844][  T889] R10: ffffc900012df5c8 R11: ffffffffb5050668 R12: 1ffff9200025be2c
[  114.307341][  T889] R13: 00000000000005dc R14: ffffc900012df880 R15: ffff88800e03e360
[  114.307833][  T889] FS:  00007fd471694800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[  114.308423][  T889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.308833][  T889] CR2: 00000000004e5ab8 CR3: 0000000009637006 CR4: 0000000000772ef0
[  114.309330][  T889] PKRU: 55555554
[  114.309580][  T889] Call Trace:
[  114.309830][  T889]  <TASK>
[ 114.310012][ T889] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.310358][ T889] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 114.310687][ T889] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.311015][ T889] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 114.311354][ T889] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 114.311682][ T889] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 114.312014][ T889] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 114.312366][ T889] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 114.312782][ T889] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 114.313107][ T889] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 114.313447][ T889] ? __kernel_text_address (kernel/extable.c:79) 
[ 114.313779][ T889] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.314111][ T889] ? __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) 
[ 114.314451][ T889] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 114.314862][ T889] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.315195][ T889] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.315538][ T889] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 114.315865][ T889] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 114.316194][ T889] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.316550][ T889] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 114.316879][ T889] ? __create_object (mm/kmemleak.c:771) 
[ 114.317215][ T889] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 114.317562][ T889] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 114.317890][ T889] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 114.318324][ T889] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 114.318663][ T889] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 114.318996][ T889] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.319338][ T889] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.319677][ T889] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.320013][ T889] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 114.320352][ T889] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.320683][ T889] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 114.321009][ T889] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 114.321351][ T889] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.321681][ T889] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.322014][ T889] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 114.322353][ T889] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 114.322691][ T889] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 114.323028][ T889] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 114.323367][ T889] ? 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) 
[ 114.323698][ T889] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 114.324029][ T889] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 114.324368][ T889] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.324710][ T889] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 114.325039][ T889] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 114.325381][ T889] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 114.325717][ T889] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 114.326052][ T889] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 114.326391][ T889] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 114.326806][ T889] ___sys_sendmsg (net/socket.c:2670) 
[ 114.327132][ T889] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 114.327481][ T889] ? __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) 
[ 114.327887][ T889] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 114.328249][ T889] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.328585][ T889] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 114.328921][ T889] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 114.329267][ T889] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 114.329599][ T889] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 114.329942][ T889] __sys_sendmsg (net/socket.c:2700) 
[ 114.330283][ T889] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 114.330689][ T889] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 114.331031][ T889] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 114.331379][ T889] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 114.331716][ T889] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  114.332119][  T889] RIP: 0033:0x7fd4718611e7
[ 114.332481][ T889] 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)
[  114.333621][  T889] RSP: 002b:00007ffef0845ed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  114.334111][  T889] RAX: ffffffffffffffda RBX: 00007ffef0846600 RCX: 00007fd4718611e7
[  114.334633][  T889] RDX: 0000000000000000 RSI: 00007ffef0845f40 RDI: 0000000000000005
[  114.335119][  T889] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  114.335614][  T889] R10: 00007fd47175eee8 R11: 0000000000000246 R12: 0000000000000004
[  114.336096][  T889] R13: 00000000686e4689 R14: 0000000000499600 R15: 0000000000000000
| [  115.495148][  T901] ------------[ cut here ]------------
| [ 115.495477][ T901] WARNING: CPU: 1 PID: 901 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) 
| [  115.496037][  T901] Modules linked in: sch_tbf sch_prio bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [  115.497166][  T901] Tainted: [W]=WARN
[  115.497384][  T901] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 115.497732][ T901] 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) 
[ 115.498018][ T901] 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
[  115.499047][  T901] RSP: 0018:ffffc9000133f140 EFLAGS: 00010246
[  115.500153][  T901] RAX: 0000000000000000 RBX: ffff888007f39000 RCX: 0000000000000001
[  115.500669][  T901] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[  115.501097][  T901] RBP: ffffc9000133f230 R08: ffff8880027ab800 R09: 0000000000000000
[  115.501512][  T901] R10: ffffc9000133f5c8 R11: ffffffffb5050668 R12: 1ffff92000267e2c
[  115.501930][  T901] R13: 00000000000005dc R14: ffffc9000133f880 R15: ffff888008be8ae0
[  115.502357][  T901] FS:  00007ff16ef0b800(0000) GS:ffff88807ff37000(0000) knlGS:0000000000000000
[  115.502842][  T901] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  115.503184][  T901] CR2: 00000000004e5aa0 CR3: 000000000e52d002 CR4: 0000000000772ef0
[  115.503612][  T901] PKRU: 55555554
[  115.503819][  T901] Call Trace:
[  115.504026][  T901]  <TASK>
[ 115.504165][ T901] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.504452][ T901] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 115.504726][ T901] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.505004][ T901] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 115.505287][ T901] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 115.505564][ T901] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 115.505844][ T901] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 115.506123][ T901] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 115.506489][ T901] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 115.506765][ T901] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 115.507038][ T901] ? __kernel_text_address (kernel/extable.c:79) 
[ 115.507370][ T901] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.507668][ T901] ? __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) 
[ 115.507960][ T901] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 115.508346][ T901] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.508645][ T901] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.508936][ T901] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 115.509241][ T901] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 115.509538][ T901] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.509832][ T901] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 115.510128][ T901] ? __create_object (mm/kmemleak.c:771) 
[ 115.510449][ T901] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 115.510744][ T901] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 115.511035][ T901] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 115.511407][ T901] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 115.511714][ T901] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 115.512009][ T901] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.512308][ T901] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.512606][ T901] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.512901][ T901] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 115.513193][ T901] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.513500][ T901] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 115.513792][ T901] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 115.514085][ T901] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.514403][ T901] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.514705][ T901] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 115.514997][ T901] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 115.515298][ T901] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 115.515601][ T901] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 115.515892][ T901] ? 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) 
[ 115.516184][ T901] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 115.516491][ T901] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 115.516783][ T901] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.517081][ T901] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 115.517382][ T901] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 115.517674][ T901] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 115.517972][ T901] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 115.518298][ T901] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 115.518591][ T901] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 115.518967][ T901] ___sys_sendmsg (net/socket.c:2670) 
[ 115.519265][ T901] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 115.519563][ T901] ? __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) 
[ 115.519929][ T901] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 115.520236][ T901] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.520535][ T901] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 115.520836][ T901] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 115.521120][ T901] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 115.521435][ T901] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 115.521748][ T901] __sys_sendmsg (net/socket.c:2700) 
[ 115.522038][ T901] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 115.522412][ T901] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 115.522715][ T901] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 115.523007][ T901] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 115.523305][ T901] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  115.523666][  T901] RIP: 0033:0x7ff16f0d81e7
[ 115.523969][ T901] 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)
[  115.525004][  T901] RSP: 002b:00007ffd2dd5a4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  115.525455][  T901] RAX: ffffffffffffffda RBX: 00007ffd2dd5ac20 RCX: 00007ff16f0d81e7
[  115.525900][  T901] RDX: 0000000000000000 RSI: 00007ffd2dd5a560 RDI: 0000000000000005
[  115.526351][  T901] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  115.526785][  T901] R10: 00007ff16efd5ee8 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