======================================
| [   33.371347][  T417] tc (417) used greatest stack depth: 24152 bytes left
| [   39.081489][  T477] ------------[ cut here ]------------
| [ 39.083156][ T477] WARNING: CPU: 1 PID: 477 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.083733][  T477] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
[   39.084972][  T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.085326][ T477] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.085621][ T477] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   39.086614][  T477] RSP: 0018:ffffc900007e7140 EFLAGS: 00010246
[   39.086974][  T477] RAX: 0000000000000000 RBX: ffff888005444000 RCX: 0000000000000001
[   39.087388][  T477] RDX: 0000000000000000 RSI: ffffffffb789b939 RDI: ffffffffb70555e0
[   39.087804][  T477] RBP: ffffc900007e7230 R08: ffff88800b73e800 R09: 0000000000000000
[   39.088227][  T477] R10: ffffc900007e75c8 R11: ffffffffb8650668 R12: 1ffff920000fce2c
[   39.088638][  T477] R13: 00000000000007d0 R14: ffffc900007e7880 R15: ffff888009615c60
[   39.089063][  T477] FS:  00007fe4296b8800(0000) GS:ffff88807c937000(0000) knlGS:0000000000000000
[   39.089545][  T477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.089899][  T477] CR2: 00000000004e5aa0 CR3: 0000000009ec4003 CR4: 0000000000772ef0
[   39.090311][  T477] PKRU: 55555554
[   39.090518][  T477] Call Trace:
[   39.090727][  T477]  <TASK>
[ 39.090878][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.091179][ T477] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.091451][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.091735][ T477] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.092019][ T477] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.092508][ T477] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.092788][ T477] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.093078][ T477] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.093425][ T477] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.093711][ T477] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.093990][ T477] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.094268][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.094544][ T477] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 39.094819][ T477] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.095166][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.095458][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.095737][ T477] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.096019][ T477] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.096302][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.096576][ T477] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.096862][ T477] ? __create_object (mm/kmemleak.c:771) 
[ 39.097150][ T477] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.097424][ T477] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.097702][ T477] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.098055][ T477] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.098335][ T477] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.098614][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.098894][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.099174][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.099447][ T477] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.099718][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.100006][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.100290][ T477] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.100564][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.100852][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.101129][ T477] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.101411][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.101685][ T477] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.101980][ T477] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.102258][ T477] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.102535][ T477] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.102811][ T477] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.103092][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.103371][ T477] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.103648][ T477] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.103935][ T477] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.104229][ T477] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.104509][ T477] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.104780][ T477] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.105141][ T477] ___sys_sendmsg (net/socket.c:2670) 
[ 39.105427][ T477] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.105703][ T477] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 39.106054][ T477] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.106337][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.106612][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.106916][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.107192][ T477] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.107470][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.107749][ T477] __sys_sendmsg (net/socket.c:2700) 
[ 39.108030][ T477] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.108374][ T477] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.108662][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.108945][ T477] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.109219][ T477] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.109560][  T477] RIP: 0033:0x7fe4298851e7
[ 39.109865][ T477] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.110868][  T477] RSP: 002b:00007fff61710fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.111288][  T477] RAX: ffffffffffffffda RBX: 00007fff61711700 RCX: 00007fe4298851e7
[   39.111704][  T477] RDX: 0000000000000000 RSI: 00007fff61711040 RDI: 0000000000000005
[   39.112127][  T477] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   39.112547][  T477] R10: 00007fe429782ee8 R11: 0000000000000246 R12: 0000000000000004
[   39.112972][  T477] R13: 00000000686e732f R14: 0000000000499600 R15: 0000000000000000
| [   39.221520][  T478] ------------[ cut here ]------------
| [ 39.221864][ T478] WARNING: CPU: 3 PID: 478 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.222414][  T478] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   39.223591][  T478] Tainted: [W]=WARN
[   39.223821][  T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.224175][ T478] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.224471][ T478] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   39.226419][  T478] RSP: 0018:ffffc90000937140 EFLAGS: 00010246
[   39.226771][  T478] RAX: 0000000000000000 RBX: ffff888008499000 RCX: 0000000000000001
[   39.227197][  T478] RDX: 0000000000000000 RSI: ffffffffb789b939 RDI: ffffffffb70555e0
[   39.227611][  T478] RBP: ffffc90000937230 R08: ffff88800b90a000 R09: 0000000000000000
[   39.228030][  T478] R10: ffffc900009375c8 R11: ffffffffb8650668 R12: 1ffff92000126e2c
[   39.228456][  T478] R13: 00000000000007d0 R14: ffffc90000937880 R15: ffff8880096158e0
[   39.228893][  T478] FS:  00007f45b23ff800(0000) GS:ffff88807ca37000(0000) knlGS:0000000000000000
[   39.229387][  T478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.229737][  T478] CR2: 00000000004e5aa8 CR3: 00000000060ee005 CR4: 0000000000772ef0
[   39.230162][  T478] PKRU: 55555554
[   39.230379][  T478] Call Trace:
[   39.230587][  T478]  <TASK>
[ 39.230728][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.231025][ T478] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.231301][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.231598][ T478] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.231888][ T478] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.232184][ T478] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.232464][ T478] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.232745][ T478] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.233146][ T478] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.233422][ T478] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.233713][ T478] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.234000][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.234279][ T478] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 39.234555][ T478] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.234913][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.235190][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.235481][ T478] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.235755][ T478] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.236081][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.236356][ T478] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.236628][ T478] ? __create_object (mm/kmemleak.c:771) 
[ 39.236959][ T478] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.237243][ T478] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.237524][ T478] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.237872][ T478] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.238155][ T478] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.238435][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.238710][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.239001][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.239277][ T478] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.239552][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.239828][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.240111][ T478] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.240385][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.240663][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.240951][ T478] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.241225][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.241515][ T478] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.241802][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.242083][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.242361][ T478] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.242642][ T478] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.242927][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.243207][ T478] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.243507][ T478] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.243789][ T478] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.244092][ T478] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.244377][ T478] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.244656][ T478] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.245026][ T478] ___sys_sendmsg (net/socket.c:2670) 
[ 39.245316][ T478] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.245614][ T478] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 39.245972][ T478] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.246338][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.246625][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.246923][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.247199][ T478] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.247474][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.247758][ T478] __sys_sendmsg (net/socket.c:2700) 
[ 39.248046][ T478] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.248495][ T478] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.248785][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.249069][ T478] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.249345][ T478] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.249687][  T478] RIP: 0033:0x7f45b25cc1e7
[ 39.249978][ T478] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.250973][  T478] RSP: 002b:00007ffcb835f618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.251391][  T478] RAX: ffffffffffffffda RBX: 00007ffcb835fd40 RCX: 00007f45b25cc1e7
[   39.251806][  T478] RDX: 0000000000000000 RSI: 00007ffcb835f680 RDI: 0000000000000005
[   39.252240][  T478] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   39.252652][  T478] R10: 00007f45b24c9ee8 R11: 0000000000000246 R12: 0000000000000004
[   39.253078][  T478] R13: 00000000686e732f R14: 0000000000499600 R15: 0000000000000000
| [   39.382466][  T479] ------------[ cut here ]------------
| [ 39.382817][ T479] WARNING: CPU: 2 PID: 479 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.383568][  T479] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   39.384755][  T479] Tainted: [W]=WARN
[   39.384995][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.385370][ T479] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.385671][ T479] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   39.386676][  T479] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   39.387054][  T479] RAX: 0000000000000000 RBX: ffff888007f49000 RCX: 0000000000000001
[   39.387481][  T479] RDX: 0000000000000000 RSI: ffffffffb789b939 RDI: ffffffffb70555e0
[   39.387914][  T479] RBP: ffffc90000967230 R08: ffff88800b570800 R09: 0000000000000000
[   39.388340][  T479] R10: ffffc900009675c8 R11: ffffffffb8650668 R12: 1ffff9200012ce2c
[   39.388765][  T479] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800e6974e0
[   39.389202][  T479] FS:  00007f9841e88800(0000) GS:ffff88807c9b7000(0000) knlGS:0000000000000000
[   39.389694][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.390063][  T479] CR2: 00000000004e73b0 CR3: 0000000009981004 CR4: 0000000000772ef0
[   39.390490][  T479] PKRU: 55555554
[   39.390714][  T479] Call Trace:
[   39.390944][  T479]  <TASK>
[ 39.391098][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.391392][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.391679][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.391979][ T479] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.392266][ T479] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.392553][ T479] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.392861][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.393156][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.393516][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.393801][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.394100][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.394389][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.394681][ T479] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 39.394983][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.395349][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.395643][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.395943][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.396227][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.396515][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.396802][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.397108][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 39.397399][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.397687][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.397983][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.398337][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.398633][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.398951][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.399237][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.399537][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.399823][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.400126][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.400415][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.400699][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.400999][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.401296][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.401589][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.401899][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.402191][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.402489][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.402776][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.403078][ T479] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.403371][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.403661][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.403965][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.404259][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.404550][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.404858][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.405154][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.405450][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.405817][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 39.406121][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.406408][ T479] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 39.406762][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.407063][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.407352][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.407645][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.407943][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.408234][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.408527][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 39.408811][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.409175][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.409475][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.409763][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.410064][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.410422][  T479] RIP: 0033:0x7f98420551e7
[ 39.410721][ T479] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.411726][  T479] RSP: 002b:00007fffc155dff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.412167][  T479] RAX: ffffffffffffffda RBX: 00007fffc155e720 RCX: 00007f98420551e7
[   39.412597][  T479] RDX: 0000000000000000 RSI: 00007fffc155e060 RDI: 0000000000000005
[   39.413031][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   39.413452][  T479] R10: 00007f9841f52ee8 R11: 0000000000000246 R12: 0000000000000004
[   39.413883][  T479] R13: 00000000686e7330 R14: 0000000000499600 R15: 0000000000000000
| [   39.549968][  T480] ------------[ cut here ]------------
| [ 39.550282][ T480] WARNING: CPU: 1 PID: 480 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.550833][  T480] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   39.551993][  T480] Tainted: [W]=WARN
[   39.552208][  T480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.552547][ T480] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.552831][ T480] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   39.553824][  T480] RSP: 0018:ffffc900009a7140 EFLAGS: 00010246
[   39.554184][  T480] RAX: 0000000000000000 RBX: ffff88800983c000 RCX: 0000000000000001
[   39.554594][  T480] RDX: 0000000000000000 RSI: ffffffffb789b939 RDI: ffffffffb70555e0
[   39.555015][  T480] RBP: ffffc900009a7230 R08: ffff888008c0d000 R09: 0000000000000000
[   39.555435][  T480] R10: ffffc900009a75c8 R11: ffffffffb8650668 R12: 1ffff92000134e2c
[   39.555863][  T480] R13: 00000000000007d0 R14: ffffc900009a7880 R15: ffff88800e694060
[   39.556271][  T480] FS:  00007f02046dc800(0000) GS:ffff88807c937000(0000) knlGS:0000000000000000
[   39.556752][  T480] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.557236][  T480] CR2: 00000000004e5ab0 CR3: 000000000b817004 CR4: 0000000000772ef0
[   39.557654][  T480] PKRU: 55555554
[   39.557985][  T480] Call Trace:
[   39.558190][  T480]  <TASK>
[ 39.558329][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.558607][ T480] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.559004][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.559282][ T480] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.559554][ T480] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.559829][ T480] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.560255][ T480] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.560535][ T480] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.561074][ T480] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.561350][ T480] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.561632][ T480] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.561955][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.562237][ T480] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 39.562511][ T480] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.562864][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.563141][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.563413][ T480] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.563684][ T480] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.563975][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.564248][ T480] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.564524][ T480] ? __create_object (mm/kmemleak.c:771) 
[ 39.564804][ T480] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.565087][ T480] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.565375][ T480] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.565715][ T480] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.566005][ T480] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.566286][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.566561][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.566855][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.567133][ T480] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.567403][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.567681][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.567966][ T480] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.568240][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.568520][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.568809][ T480] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.569091][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.569372][ T480] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.569659][ T480] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.569951][ T480] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.570227][ T480] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.570503][ T480] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.570778][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.571067][ T480] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.571344][ T480] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.571618][ T480] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.571912][ T480] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.572199][ T480] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.572472][ T480] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.572826][ T480] ___sys_sendmsg (net/socket.c:2670) 
[ 39.573110][ T480] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.573384][ T480] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 39.573725][ T480] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.574012][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.574291][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.574569][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.574864][ T480] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.575140][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.575437][ T480] __sys_sendmsg (net/socket.c:2700) 
[ 39.575709][ T480] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.576063][ T480] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.576349][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.576625][ T480] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.576910][ T480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.577254][  T480] RIP: 0033:0x7f02048a91e7
[ 39.577540][ T480] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.578539][  T480] RSP: 002b:00007ffe68559038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.578975][  T480] RAX: ffffffffffffffda RBX: 00007ffe68559760 RCX: 00007f02048a91e7
[   39.579387][  T480] RDX: 0000000000000000 RSI: 00007ffe685590a0 RDI: 0000000000000005
[   39.579794][  T480] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   39.580210][  T480] R10: 00007f02047a6ee8 R11: 0000000000000246 R12: 0000000000000004
[   39.580620][  T480] R13: 00000000686e7330 R14: 0000000000499600 R15: 0000000000000000
| [   39.701002][  T481] ------------[ cut here ]------------
| [ 39.701318][ T481] WARNING: CPU: 3 PID: 481 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.701878][  T481] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   39.703031][  T481] Tainted: [W]=WARN
[   39.703250][  T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.703598][ T481] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.703895][ T481] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   39.704897][  T481] RSP: 0018:ffffc900009b7140 EFLAGS: 00010246
[   39.705243][  T481] RAX: 0000000000000000 RBX: ffff8880076a1000 RCX: 0000000000000001
[   39.705670][  T481] RDX: 0000000000000000 RSI: ffffffffb789b939 RDI: ffffffffb70555e0
[   39.706520][  T481] RBP: ffffc900009b7230 R08: ffff888008d2e800 R09: 0000000000000000
[   39.706945][  T481] R10: ffffc900009b75c8 R11: ffffffffb8650668 R12: 1ffff92000136e2c
[   39.707471][  T481] R13: 00000000000007d0 R14: ffffc900009b7880 R15: ffff88800e694ae0
[   39.707896][  T481] FS:  00007f50e74a1800(0000) GS:ffff88807ca37000(0000) knlGS:0000000000000000
[   39.708375][  T481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.708720][  T481] CR2: 00000000004e55b8 CR3: 000000000a992004 CR4: 0000000000772ef0
[   39.709142][  T481] PKRU: 55555554
[   39.709347][  T481] Call Trace:
[   39.709551][  T481]  <TASK>
[ 39.709691][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.709978][ T481] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.710252][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.710529][ T481] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.710803][ T481] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.711094][ T481] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.711372][ T481] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.711654][ T481] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.712008][ T481] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.712281][ T481] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.712556][ T481] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.712833][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.713124][ T481] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 39.713401][ T481] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.713742][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.714027][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.714301][ T481] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.714576][ T481] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.714859][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.715142][ T481] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.715442][ T481] ? __create_object (mm/kmemleak.c:771) 
[ 39.715720][ T481] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.716019][ T481] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.716295][ T481] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.716637][ T481] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.716928][ T481] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.717207][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.717484][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.717765][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.718047][ T481] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.718320][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.718598][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.718881][ T481] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.719156][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.719435][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.719718][ T481] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.720006][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.720282][ T481] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.720568][ T481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.720849][ T481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.721126][ T481] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.721412][ T481] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.721688][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.721976][ T481] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.722256][ T481] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.722529][ T481] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.722808][ T481] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.723093][ T481] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.723368][ T481] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.723722][ T481] ___sys_sendmsg (net/socket.c:2670) 
[ 39.724005][ T481] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.724279][ T481] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 39.724621][ T481] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.724907][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.725184][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.725479][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.725755][ T481] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.726036][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.726318][ T481] __sys_sendmsg (net/socket.c:2700) 
[ 39.726589][ T481] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.726936][ T481] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.727224][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.727500][ T481] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.727777][ T481] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.728123][  T481] RIP: 0033:0x7f50e766e1e7
[ 39.728409][ T481] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.729400][  T481] RSP: 002b:00007ffe99df70d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.729820][  T481] RAX: ffffffffffffffda RBX: 00007ffe99df7800 RCX: 00007f50e766e1e7
[   39.730243][  T481] RDX: 0000000000000000 RSI: 00007ffe99df7140 RDI: 0000000000000005
[   39.730651][  T481] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   39.731066][  T481] R10: 00007f50e756bee8 R11: 0000000000000246 R12: 0000000000000004
[   39.731482][  T481] R13: 00000000686e7330 R14: 0000000000499600 R15: 0000000000000000
| [   39.833263][  T482] ------------[ cut here ]------------
| [ 39.833605][ T482] WARNING: CPU: 2 PID: 482 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.834185][  T482] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   39.835365][  T482] Tainted: [W]=WARN
[   39.835589][  T482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.835952][ T482] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.836248][ T482] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   39.837248][  T482] RSP: 0018:ffffc900009c7140 EFLAGS: 00010246
[   39.837610][  T482] RAX: 0000000000000000 RBX: ffff888002781000 RCX: 0000000000000001
[   39.838041][  T482] RDX: 0000000000000000 RSI: ffffffffb789b939 RDI: ffffffffb70555e0
[   39.838463][  T482] RBP: ffffc900009c7230 R08: ffff88800c843800 R09: 0000000000000000
[   39.838893][  T482] R10: ffffc900009c75c8 R11: ffffffffb8650668 R12: 1ffff92000138e2c
[   39.839320][  T482] R13: 00000000000007d0 R14: ffffc900009c7880 R15: ffff88800cb1b860
[   39.839740][  T482] FS:  00007f9ecb590800(0000) GS:ffff88807c9b7000(0000) knlGS:0000000000000000
[   39.840375][  T482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.840928][  T482] CR2: 00000000004e5ac8 CR3: 000000000ca43006 CR4: 0000000000772ef0
[   39.841502][  T482] PKRU: 55555554
[   39.841782][  T482] Call Trace:
[   39.842011][  T482]  <TASK>
[ 39.842163][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.842455][ T482] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.842737][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.843043][ T482] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.843329][ T482] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.843617][ T482] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.843916][ T482] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.844211][ T482] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.844570][ T482] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.844866][ T482] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.845153][ T482] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.845456][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.845745][ T482] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 39.846043][ T482] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.846395][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.846683][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.846977][ T482] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.847270][ T482] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.847559][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.847857][ T482] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.848142][ T482] ? __create_object (mm/kmemleak.c:771) 
[ 39.848432][ T482] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.848718][ T482] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.849012][ T482] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.849369][ T482] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.849662][ T482] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.849964][ T482] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.850251][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.850541][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.850828][ T482] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.851123][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.851413][ T482] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.851701][ T482] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.851999][ T482] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.852329][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.852621][ T482] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.852920][ T482] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.853208][ T482] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.853511][ T482] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.853797][ T482] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.854094][ T482] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.854381][ T482] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.854667][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.854972][ T482] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.855267][ T482] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.855567][ T482] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.855871][ T482] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.856164][ T482] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.856450][ T482] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.856812][ T482] ___sys_sendmsg (net/socket.c:2670) 
[ 39.857106][ T482] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.857390][ T482] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 39.857798][ T482] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.858103][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.858396][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.858688][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.858989][ T482] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.859278][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.859574][ T482] __sys_sendmsg (net/socket.c:2700) 
[ 39.859866][ T482] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.860223][ T482] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.860527][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.860818][ T482] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.861118][ T482] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.861470][  T482] RIP: 0033:0x7f9ecb75d1e7
[ 39.861763][ T482] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.862768][  T482] RSP: 002b:00007fff3bd25fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.863210][  T482] RAX: ffffffffffffffda RBX: 00007fff3bd26710 RCX: 00007f9ecb75d1e7
[   39.863634][  T482] RDX: 0000000000000000 RSI: 00007fff3bd26050 RDI: 0000000000000005
[   39.864078][  T482] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   39.864504][  T482] R10: 00007f9ecb65aee8 R11: 0000000000000246 R12: 0000000000000004
[   39.864943][  T482] R13: 00000000686e7330 R14: 0000000000499600 R15: 0000000000000000
| [   39.981218][  T483] ------------[ cut here ]------------
| [ 39.981539][ T483] WARNING: CPU: 3 PID: 483 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.982096][  T483] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   39.984707][  T483] Tainted: [W]=WARN
[   39.984938][  T483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.985290][ T483] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.985589][ T483] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   39.986574][  T483] RSP: 0018:ffffc900009e7140 EFLAGS: 00010246
[   39.986935][  T483] RAX: 0000000000000000 RBX: ffff888002784000 RCX: 0000000000000001
[   39.987352][  T483] RDX: 0000000000000000 RSI: ffffffffb789b939 RDI: ffffffffb70555e0
[   39.987760][  T483] RBP: ffffc900009e7230 R08: ffff888009000800 R09: 0000000000000000
[   39.988177][  T483] R10: ffffc900009e75c8 R11: ffffffffb8650668 R12: 1ffff9200013ce2c
[   39.988586][  T483] R13: 00000000000007d0 R14: ffffc900009e7880 R15: ffff88800cb1ade0
[   39.989004][  T483] FS:  00007f6aaa57f800(0000) GS:ffff88807ca37000(0000) knlGS:0000000000000000
[   39.989482][  T483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.989827][  T483] CR2: 00000000004e5ac0 CR3: 000000000c229006 CR4: 0000000000772ef0
[   39.990247][  T483] PKRU: 55555554
[   39.990452][  T483] Call Trace:
[   39.990665][  T483]  <TASK>
[ 39.990804][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.991096][ T483] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.991369][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.991649][ T483] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.991932][ T483] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.992207][ T483] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.992484][ T483] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.992771][ T483] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.993130][ T483] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.993404][ T483] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.993679][ T483] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.993964][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.994241][ T483] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 39.994516][ T483] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.994866][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.995144][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.995430][ T483] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.995703][ T483] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.995989][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.996262][ T483] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.996532][ T483] ? __create_object (mm/kmemleak.c:771) 
[ 39.996812][ T483] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.997110][ T483] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.997383][ T483] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.997722][ T483] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.998008][ T483] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.998288][ T483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.998562][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.998853][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.999131][ T483] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.999402][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.999676][ T483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.999958][ T483] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.000233][ T483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.000510][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.000788][ T483] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.001072][ T483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.001346][ T483] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.001630][ T483] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.001912][ T483] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.002189][ T483] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.002465][ T483] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.002740][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.003031][ T483] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.003310][ T483] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.003585][ T483] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.003874][ T483] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.004151][ T483] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.004424][ T483] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.004785][ T483] ___sys_sendmsg (net/socket.c:2670) 
[ 40.005069][ T483] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.005354][ T483] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.005700][ T483] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.005986][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.006265][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.006546][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.006818][ T483] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.007107][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.007388][ T483] __sys_sendmsg (net/socket.c:2700) 
[ 40.007662][ T483] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.008008][ T483] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.008295][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.008569][ T483] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.008854][ T483] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.009192][  T483] RIP: 0033:0x7f6aaa74c1e7
[ 40.009479][ T483] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.010460][  T483] RSP: 002b:00007fff51f37288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.010882][  T483] RAX: ffffffffffffffda RBX: 00007fff51f379b0 RCX: 00007f6aaa74c1e7
[   40.011296][  T483] RDX: 0000000000000000 RSI: 00007fff51f372f0 RDI: 0000000000000005
[   40.011705][  T483] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.012120][  T483] R10: 00007f6aaa649ee8 R11: 0000000000000246 R12: 0000000000000004
[   40.012531][  T483] R13: 00000000686e7330 R14: 0000000000499600 R15: 0000000000000000
| [   40.122721][  T484] ------------[ cut here ]------------
| [ 40.123088][ T484] WARNING: CPU: 2 PID: 484 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.123645][  T484] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.124825][  T484] Tainted: [W]=WARN
[   40.125057][  T484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.125428][ T484] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.125726][ T484] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.127957][  T484] RSP: 0018:ffffc90000a57140 EFLAGS: 00010246
[   40.128488][  T484] RAX: 0000000000000000 RBX: ffff8880051d4000 RCX: 0000000000000001
[   40.129047][  T484] RDX: 0000000000000000 RSI: ffffffffb789b939 RDI: ffffffffb70555e0
[   40.129593][  T484] RBP: ffffc90000a57230 R08: ffff8880051fb800 R09: 0000000000000000
[   40.130150][  T484] R10: ffffc90000a575c8 R11: ffffffffb8650668 R12: 1ffff9200014ae2c
[   40.130695][  T484] R13: 00000000000007d0 R14: ffffc90000a57880 R15: ffff88800cb1a360
[   40.131190][  T484] FS:  00007fa942310800(0000) GS:ffff88807c9b7000(0000) knlGS:0000000000000000
[   40.131678][  T484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.132050][  T484] CR2: 00000000004e73c8 CR3: 000000000e553001 CR4: 0000000000772ef0
[   40.132473][  T484] PKRU: 55555554
[   40.132690][  T484] Call Trace:
[   40.132922][  T484]  <TASK>
[ 40.133082][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.133376][ T484] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.133663][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.133963][ T484] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.134258][ T484] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.134544][ T484] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.134847][ T484] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.135141][ T484] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.135524][ T484] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.135815][ T484] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.136119][ T484] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.136408][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.136697][ T484] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.136996][ T484] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.137352][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.137639][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.137933][ T484] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.138225][ T484] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.138514][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.138799][ T484] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.139092][ T484] ? __create_object (mm/kmemleak.c:771) 
[ 40.139378][ T484] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.139666][ T484] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.139961][ T484] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.140316][ T484] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.140614][ T484] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.140919][ T484] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.141209][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.141503][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.141787][ T484] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.142078][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.142366][ T484] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.142650][ T484] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.142952][ T484] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.143241][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.143535][ T484] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.143824][ T484] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.144122][ T484] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.144418][ T484] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.144704][ T484] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.145007][ T484] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.145311][ T484] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.145598][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.145900][ T484] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.146193][ T484] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.146481][ T484] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.146772][ T484] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.147077][ T484] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.147360][ T484] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.147724][ T484] ___sys_sendmsg (net/socket.c:2670) 
[ 40.148015][ T484] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.148301][ T484] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.148652][ T484] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.148952][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.149246][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.149538][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.149821][ T484] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.150122][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.150414][ T484] __sys_sendmsg (net/socket.c:2700) 
[ 40.150697][ T484] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.151057][ T484] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.151360][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.151648][ T484] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.151945][ T484] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.152295][  T484] RIP: 0033:0x7fa9424dd1e7
[ 40.152590][ T484] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.153592][  T484] RSP: 002b:00007ffc61e4bc98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.154028][  T484] RAX: ffffffffffffffda RBX: 00007ffc61e4c3c0 RCX: 00007fa9424dd1e7
[   40.154448][  T484] RDX: 0000000000000000 RSI: 00007ffc61e4bd00 RDI: 0000000000000005
[   40.154877][  T484] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.155310][  T484] R10: 00007fa9423daee8 R11: 0000000000000246 R12: 0000000000000004
[   40.155736][  T484] R13: 00000000686e7330 R14: 0000000000499600 R15: 0000000000000000
| [   40.274400][  T485] ------------[ cut here ]------------
| [ 40.274834][ T485] WARNING: CPU: 2 PID: 485 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.275423][  T485] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.276597][  T485] Tainted: [W]=WARN
[   40.276820][  T485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.277184][ T485] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.277482][ T485] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.278490][  T485] RSP: 0018:ffffc90000baf140 EFLAGS: 00010246
[   40.278861][  T485] RAX: 0000000000000000 RBX: ffff88800ba99000 RCX: 0000000000000001
[   40.279284][  T485] RDX: 0000000000000000 RSI: ffffffffb789b939 RDI: ffffffffb70555e0
[   40.279705][  T485] RBP: ffffc90000baf230 R08: ffff88800a092000 R09: 0000000000000000
[   40.280142][  T485] R10: ffffc90000baf5c8 R11: ffffffffb8650668 R12: 1ffff92000175e2c
[   40.280563][  T485] R13: 00000000000007d0 R14: ffffc90000baf880 R15: ffff88800cb198e0
[   40.280993][  T485] FS:  00007fd33f5d3800(0000) GS:ffff88807c9b7000(0000) knlGS:0000000000000000
[   40.281485][  T485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.281860][  T485] CR2: 00000000004e5ab8 CR3: 000000000979c003 CR4: 0000000000772ef0
[   40.282286][  T485] PKRU: 55555554
[   40.282508][  T485] Call Trace:
[   40.282725][  T485]  <TASK>
[ 40.282887][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.283178][ T485] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.283463][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.283751][ T485] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.284054][ T485] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.284343][ T485] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.284631][ T485] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.284939][ T485] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.285298][ T485] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.285597][ T485] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.285901][ T485] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.286191][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.286479][ T485] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.286766][ T485] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.287132][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.287427][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.287711][ T485] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.288013][ T485] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.288301][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.288589][ T485] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.288879][ T485] ? __create_object (mm/kmemleak.c:771) 
[ 40.289167][ T485] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.289453][ T485] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.289747][ T485] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.290110][ T485] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.290408][ T485] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.290698][ T485] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.290996][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.291287][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.291575][ T485] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.291868][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.292158][ T485] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.292441][ T485] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.292741][ T485] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.293044][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.293336][ T485] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.293623][ T485] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.293925][ T485] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.294223][ T485] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.294507][ T485] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.294803][ T485] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.295102][ T485] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.295400][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.295693][ T485] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.296001][ T485] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.296289][ T485] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.296585][ T485] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.296889][ T485] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.297177][ T485] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.297540][ T485] ___sys_sendmsg (net/socket.c:2670) 
[ 40.297825][ T485] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.298119][ T485] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.298479][ T485] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.298770][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.299080][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.299372][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.299661][ T485] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.299972][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.300268][ T485] __sys_sendmsg (net/socket.c:2700) 
[ 40.300551][ T485] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.300913][ T485] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.301219][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.301508][ T485] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.301797][ T485] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.302160][  T485] RIP: 0033:0x7fd33f7a01e7
[ 40.302457][ T485] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.303460][  T485] RSP: 002b:00007ffe0c3654b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.303899][  T485] RAX: ffffffffffffffda RBX: 00007ffe0c365be0 RCX: 00007fd33f7a01e7
[   40.304323][  T485] RDX: 0000000000000000 RSI: 00007ffe0c365520 RDI: 0000000000000005
[   40.304744][  T485] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.305180][  T485] R10: 00007fd33f69dee8 R11: 0000000000000246 R12: 0000000000000004
[   40.305614][  T485] R13: 00000000686e7330 R14: 0000000000499600 R15: 0000000000000000
| [   40.406534][  T486] ------------[ cut here ]------------
| [ 40.406875][ T486] WARNING: CPU: 1 PID: 486 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.407418][  T486] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.409181][  T486] Tainted: [W]=WARN
[   40.409396][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.409740][ T486] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.410036][ T486] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.411054][  T486] RSP: 0018:ffffc90000bbf140 EFLAGS: 00010246
[   40.411413][  T486] RAX: 0000000000000000 RBX: ffff88800961c000 RCX: 0000000000000001
[   40.411829][  T486] RDX: 0000000000000000 RSI: ffffffffb789b939 RDI: ffffffffb70555e0
[   40.412253][  T486] RBP: ffffc90000bbf230 R08: ffff8880090dd000 R09: 0000000000000000
[   40.412687][  T486] R10: ffffc90000bbf5c8 R11: ffffffffb8650668 R12: 1ffff92000177e2c
[   40.413139][  T486] R13: 00000000000007d0 R14: ffffc90000bbf880 R15: ffff88800cb18e60
[   40.413551][  T486] FS:  00007f48c5b81800(0000) GS:ffff88807c937000(0000) knlGS:0000000000000000
[   40.414039][  T486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.414391][  T486] CR2: 00000000004e59c0 CR3: 00000000056b9001 CR4: 0000000000772ef0
[   40.414844][  T486] PKRU: 55555554
[   40.415050][  T486] Call Trace:
[   40.415283][  T486]  <TASK>
[ 40.415471][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.415757][ T486] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.416055][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.416345][ T486] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.416621][ T486] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.416911][ T486] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.417194][ T486] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.417476][ T486] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.417825][ T486] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.418110][ T486] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.418394][ T486] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.418676][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.418962][ T486] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.419238][ T486] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.419581][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.419882][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.420157][ T486] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.420436][ T486] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.420710][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.420993][ T486] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.421266][ T486] ? __create_object (mm/kmemleak.c:771) 
[ 40.421542][ T486] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.421816][ T486] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.422097][ T486] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.422442][ T486] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.422723][ T486] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.423009][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.423284][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.423562][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.423835][ T486] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.424126][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.424401][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.424677][ T486] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.424963][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.425244][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.425538][ T486] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.425857][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.426137][ T486] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.426422][ T486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.426701][ T486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.427033][ T486] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.427316][ T486] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.427591][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.427887][ T486] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.428209][ T486] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.428482][ T486] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.428763][ T486] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.429056][ T486] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.429332][ T486] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.429684][ T486] ___sys_sendmsg (net/socket.c:2670) 
[ 40.429963][ T486] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.430236][ T486] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.430602][ T486] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.430897][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.431175][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.431454][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.431777][ T486] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.432073][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.432355][ T486] __sys_sendmsg (net/socket.c:2700) 
[ 40.432625][ T486] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.433021][ T486] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.433313][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.433587][ T486] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.433869][ T486] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.434227][  T486] RIP: 0033:0x7f48c5d4e1e7
[ 40.434532][ T486] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.435593][  T486] RSP: 002b:00007ffd56c6fcb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.436052][  T486] RAX: ffffffffffffffda RBX: 00007ffd56c703e0 RCX: 00007f48c5d4e1e7
[   40.436463][  T486] RDX: 0000000000000000 RSI: 00007ffd56c6fd20 RDI: 0000000000000005
[   40.436882][  T486] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.437300][  T486] R10: 00007f48c5c4bee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast