======================================
| [   35.631682][  T446] GACT probability NOT on
| [   41.644959][  T503] ------------[ cut here ]------------
| [ 41.645444][ T503] WARNING: CPU: 3 PID: 503 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) 
| [   41.646035][  T503] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
[   41.647227][  T503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.647596][ T503] 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) 
[ 41.647928][ T503] 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
[   41.649023][  T503] RSP: 0018:ffffc90000857140 EFLAGS: 00010246
[   41.649424][  T503] RAX: 0000000000000000 RBX: ffff888007761000 RCX: 0000000000000001
[   41.649858][  T503] RDX: 0000000000000000 RSI: ffffffff9669b939 RDI: ffffffff95e555e0
[   41.650320][  T503] RBP: ffffc90000857230 R08: ffff88800c26e800 R09: 0000000000000000
[   41.650779][  T503] R10: ffffc900008575c8 R11: ffffffff97450668 R12: 1ffff9200010ae2c
[   41.651235][  T503] R13: 00000000000007d0 R14: ffffc90000857880 R15: ffff88800cfab4e0
[   41.651679][  T503] FS:  00007fa7f17ef800(0000) GS:ffff888096e37000(0000) knlGS:0000000000000000
[   41.652209][  T503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.652576][  T503] CR2: 00000000004e5aa0 CR3: 000000000bec6006 CR4: 0000000000772ef0
[   41.653031][  T503] PKRU: 55555554
[   41.653270][  T503] Call Trace:
[   41.653714][  T503]  <TASK>
[ 41.653870][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.654180][ T503] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.654487][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.654791][ T503] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.655092][ T503] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.655408][ T503] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.655710][ T503] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.656018][ T503] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.656403][ T503] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.656701][ T503] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.656988][ T503] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.657301][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.657604][ T503] ? __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) 
[ 41.657899][ T503] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.658281][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.658576][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.658865][ T503] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.659162][ T503] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.659487][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.659781][ T503] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.660067][ T503] ? __create_object (mm/kmemleak.c:771) 
[ 41.660386][ T503] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.660684][ T503] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.660980][ T503] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.661376][ T503] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.661683][ T503] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.661996][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.662320][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.662618][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.662917][ T503] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.663212][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.663505][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.663810][ T503] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.664110][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.664420][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.664713][ T503] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.665007][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.665307][ T503] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.665632][ T503] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.665927][ T503] ? 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) 
[ 41.666237][ T503] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 41.666549][ T503] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.666843][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.667153][ T503] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.667458][ T503] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.667752][ T503] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.668053][ T503] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.668379][ T503] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.668680][ T503] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.669068][ T503] ___sys_sendmsg (net/socket.c:2670) 
[ 41.669379][ T503] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.669675][ T503] ? __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) 
[ 41.670042][ T503] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.670346][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.670643][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.670947][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.671257][ T503] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.671558][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.671864][ T503] __sys_sendmsg (net/socket.c:2700) 
[ 41.672162][ T503] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.672539][ T503] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.672842][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.673137][ T503] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.673444][ T503] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.673807][  T503] RIP: 0033:0x7fa7f19bc1e7
[ 41.674121][ T503] 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)
[   41.675180][  T503] RSP: 002b:00007ffd7aac88f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.675649][  T503] RAX: ffffffffffffffda RBX: 00007ffd7aac9020 RCX: 00007fa7f19bc1e7
[   41.676099][  T503] RDX: 0000000000000000 RSI: 00007ffd7aac8960 RDI: 0000000000000005
[   41.676557][  T503] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.676997][  T503] R10: 00007fa7f18b9ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.677448][  T503] R13: 00000000686e7347 R14: 0000000000499600 R15: 0000000000000000
| [   41.788427][  T504] ------------[ cut here ]------------
| [ 41.788789][ T504] WARNING: CPU: 2 PID: 504 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) 
| [   41.789837][  T504] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   41.791087][  T504] Tainted: [W]=WARN
[   41.791354][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.791729][ T504] 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) 
[ 41.792044][ T504] 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
[   41.793114][  T504] RSP: 0018:ffffc90000867140 EFLAGS: 00010246
[   41.793540][  T504] RAX: 0000000000000000 RBX: ffff888007959000 RCX: 0000000000000001
[   41.793989][  T504] RDX: 0000000000000000 RSI: ffffffff9669b939 RDI: ffffffff95e555e0
[   41.794464][  T504] RBP: ffffc90000867230 R08: ffff88800beae800 R09: 0000000000000000
[   41.794915][  T504] R10: ffffc900008675c8 R11: ffffffff97450668 R12: 1ffff9200010ce2c
[   41.795399][  T504] R13: 00000000000007d0 R14: ffffc90000867880 R15: ffff88800e7cfbe0
[   41.795848][  T504] FS:  00007fdd01cc9800(0000) GS:ffff888096db7000(0000) knlGS:0000000000000000
[   41.796394][  T504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.796771][  T504] CR2: 00000000004e5aa8 CR3: 000000000e643004 CR4: 0000000000772ef0
[   41.797234][  T504] PKRU: 55555554
[   41.797482][  T504] Call Trace:
[   41.797713][  T504]  <TASK>
[ 41.797870][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.798179][ T504] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.798512][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.798820][ T504] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.799122][ T504] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.799486][ T504] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.799794][ T504] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.800103][ T504] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.800509][ T504] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.800811][ T504] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.801111][ T504] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.801430][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.801754][ T504] ? __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) 
[ 41.802058][ T504] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.802439][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.802760][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.803061][ T504] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.803373][ T504] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.803693][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.803999][ T504] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.804310][ T504] ? __create_object (mm/kmemleak.c:771) 
[ 41.804627][ T504] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.804932][ T504] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.805243][ T504] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.805644][ T504] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.805956][ T504] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.806278][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.806602][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.806917][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.807234][ T504] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.807534][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.807862][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.808165][ T504] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.808478][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.808808][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.809115][ T504] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.809443][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.809765][ T504] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.810083][ T504] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.810393][ T504] ? 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) 
[ 41.810699][ T504] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 41.811026][ T504] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.811356][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.811667][ T504] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.812014][ T504] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.812331][ T504] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.812639][ T504] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.812959][ T504] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.813273][ T504] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.813666][ T504] ___sys_sendmsg (net/socket.c:2670) 
[ 41.813984][ T504] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.814301][ T504] ? __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) 
[ 41.814676][ T504] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.814998][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.815322][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.815633][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.815954][ T504] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.816268][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.816577][ T504] __sys_sendmsg (net/socket.c:2700) 
[ 41.816878][ T504] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.817276][ T504] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.817591][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.817895][ T504] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.818245][ T504] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.818623][  T504] RIP: 0033:0x7fdd01e961e7
[ 41.818940][ T504] 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)
[   41.820050][  T504] RSP: 002b:00007ffc4ae3c6d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.820496][  T504] RAX: ffffffffffffffda RBX: 00007ffc4ae3ce00 RCX: 00007fdd01e961e7
[   41.820918][  T504] RDX: 0000000000000000 RSI: 00007ffc4ae3c740 RDI: 0000000000000005
[   41.821367][  T504] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.821789][  T504] R10: 00007fdd01d93ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.822239][  T504] R13: 00000000686e7347 R14: 0000000000499600 R15: 0000000000000000
| [   41.944897][  T505] ------------[ cut here ]------------
| [ 41.945478][ T505] WARNING: CPU: 2 PID: 505 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) 
| [   41.946059][  T505] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   41.947527][  T505] Tainted: [W]=WARN
[   41.947753][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.948120][ T505] 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) 
[ 41.948438][ T505] 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
[   41.949459][  T505] RSP: 0018:ffffc900007a7140 EFLAGS: 00010246
[   41.949819][  T505] RAX: 0000000000000000 RBX: ffff88800cdb1000 RCX: 0000000000000001
[   41.950274][  T505] RDX: 0000000000000000 RSI: ffffffff9669b939 RDI: ffffffff95e555e0
[   41.950698][  T505] RBP: ffffc900007a7230 R08: ffff8880051f2000 R09: 0000000000000000
[   41.951134][  T505] R10: ffffc900007a75c8 R11: ffffffff97450668 R12: 1ffff920000f4e2c
[   41.951568][  T505] R13: 00000000000007d0 R14: ffffc900007a7880 R15: ffff88800e7cf160
[   41.951995][  T505] FS:  00007f5729b57800(0000) GS:ffff888096db7000(0000) knlGS:0000000000000000
[   41.952510][  T505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.952868][  T505] CR2: 00000000004e73c8 CR3: 000000000a22a006 CR4: 0000000000772ef0
[   41.953336][  T505] PKRU: 55555554
[   41.953558][  T505] Call Trace:
[   41.953775][  T505]  <TASK>
[ 41.953926][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.954253][ T505] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.954539][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.954831][ T505] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.955123][ T505] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.955436][ T505] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.955725][ T505] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.956021][ T505] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.956413][ T505] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.956698][ T505] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.956982][ T505] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.957309][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.957600][ T505] ? __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) 
[ 41.957889][ T505] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.958269][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.958561][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.958845][ T505] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.959129][ T505] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.959492][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.959781][ T505] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.960063][ T505] ? __create_object (mm/kmemleak.c:771) 
[ 41.960381][ T505] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.960673][ T505] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.960961][ T505] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.961336][ T505] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.961632][ T505] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.961921][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.962215][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.962523][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.962810][ T505] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.963096][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.963415][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.963699][ T505] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.963989][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.964289][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.964597][ T505] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.964887][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.965177][ T505] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.965524][ T505] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.965811][ T505] ? 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) 
[ 41.966100][ T505] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 41.966406][ T505] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.966702][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.966995][ T505] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.967306][ T505] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.967603][ T505] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.967896][ T505] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.968184][ T505] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.968493][ T505] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.968856][ T505] ___sys_sendmsg (net/socket.c:2670) 
[ 41.969143][ T505] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.969455][ T505] ? __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) 
[ 41.969824][ T505] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.970113][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.970433][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.970738][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.971025][ T505] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.971318][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.971648][ T505] __sys_sendmsg (net/socket.c:2700) 
[ 41.971941][ T505] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.972305][ T505] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.972620][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.972910][ T505] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.973208][ T505] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.973569][  T505] RIP: 0033:0x7f5729d241e7
[ 41.973867][ T505] 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)
[   41.974898][  T505] RSP: 002b:00007ffd16200238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.975341][  T505] RAX: ffffffffffffffda RBX: 00007ffd16200960 RCX: 00007f5729d241e7
[   41.975776][  T505] RDX: 0000000000000000 RSI: 00007ffd162002a0 RDI: 0000000000000005
[   41.976210][  T505] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.976646][  T505] R10: 00007f5729c21ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.977067][  T505] R13: 00000000686e7347 R14: 0000000000499600 R15: 0000000000000000
| [   42.099478][  T506] ------------[ cut here ]------------
| [ 42.099784][ T506] WARNING: CPU: 3 PID: 506 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.100561][  T506] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.101725][  T506] Tainted: [W]=WARN
[   42.101934][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.102281][ T506] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.102564][ T506] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.103550][  T506] RSP: 0018:ffffc90000877140 EFLAGS: 00010246
[   42.103898][  T506] RAX: 0000000000000000 RBX: ffff88800c13c000 RCX: 0000000000000001
[   42.104317][  T506] RDX: 0000000000000000 RSI: ffffffff9669b939 RDI: ffffffff95e555e0
[   42.104726][  T506] RBP: ffffc90000877230 R08: ffff88800be6b800 R09: 0000000000000000
[   42.105137][  T506] R10: ffffc900008775c8 R11: ffffffff97450668 R12: 1ffff9200010ee2c
[   42.105568][  T506] R13: 00000000000007d0 R14: ffffc90000877880 R15: ffff88800e7ce6e0
[   42.105984][  T506] FS:  00007f8e1ce66800(0000) GS:ffff888096e37000(0000) knlGS:0000000000000000
[   42.106471][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.106820][  T506] CR2: 00000000004e5ab0 CR3: 000000000a304004 CR4: 0000000000772ef0
[   42.107236][  T506] PKRU: 55555554
[   42.107440][  T506] Call Trace:
[   42.107646][  T506]  <TASK>
[ 42.107784][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.108067][ T506] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.108348][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.108628][ T506] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.108907][ T506] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.109181][ T506] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.109481][ T506] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.109764][ T506] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.110111][ T506] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.110393][ T506] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.110665][ T506] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.110957][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.111244][ T506] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.111521][ T506] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.111859][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.112141][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.112422][ T506] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.112696][ T506] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.112976][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.113258][ T506] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.113529][ T506] ? __create_object (mm/kmemleak.c:771) 
[ 42.113803][ T506] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.114080][ T506] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.114363][ T506] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.114703][ T506] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.114988][ T506] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.115276][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.115549][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.115829][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.116109][ T506] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.116390][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.116666][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.116937][ T506] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.117224][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.117501][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.117780][ T506] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.118055][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.118341][ T506] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.118626][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.118897][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.119180][ T506] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.119478][ T506] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.119751][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.120035][ T506] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.120322][ T506] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.120597][ T506] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.120876][ T506] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.121155][ T506] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.121442][ T506] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.121795][ T506] ___sys_sendmsg (net/socket.c:2670) 
[ 42.122065][ T506] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.122348][ T506] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.122689][ T506] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.122963][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.123253][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.123535][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.123808][ T506] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.124083][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.124372][ T506] __sys_sendmsg (net/socket.c:2700) 
[ 42.124643][ T506] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.124981][ T506] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.125274][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.125554][ T506] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.125829][ T506] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.126193][  T506] RIP: 0033:0x7f8e1d0331e7
[ 42.126503][ T506] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.127493][  T506] RSP: 002b:00007ffd5d560ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.127905][  T506] RAX: ffffffffffffffda RBX: 00007ffd5d5611e0 RCX: 00007f8e1d0331e7
[   42.128350][  T506] RDX: 0000000000000000 RSI: 00007ffd5d560b20 RDI: 0000000000000005
[   42.128759][  T506] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.129178][  T506] R10: 00007f8e1cf30ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.129608][  T506] R13: 00000000686e7347 R14: 0000000000499600 R15: 0000000000000000
| [   42.235184][  T507] ------------[ cut here ]------------
| [ 42.235546][ T507] WARNING: CPU: 2 PID: 507 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.236122][  T507] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.237339][  T507] Tainted: [W]=WARN
[   42.237563][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.237917][ T507] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.238244][ T507] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.239262][  T507] RSP: 0018:ffffc90000887140 EFLAGS: 00010246
[   42.239653][  T507] RAX: 0000000000000000 RBX: ffff888002119000 RCX: 0000000000000001
[   42.240076][  T507] RDX: 0000000000000000 RSI: ffffffff9669b939 RDI: ffffffff95e555e0
[   42.240526][  T507] RBP: ffffc90000887230 R08: ffff88800534a000 R09: 0000000000000000
[   42.240952][  T507] R10: ffffc900008875c8 R11: ffffffff97450668 R12: 1ffff92000110e2c
[   42.241555][  T507] R13: 00000000000007d0 R14: ffffc90000887880 R15: ffff88800e7cdc60
[   42.242156][  T507] FS:  00007fb2bfc99800(0000) GS:ffff888096db7000(0000) knlGS:0000000000000000
[   42.242782][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.243140][  T507] CR2: 00000000004e55b8 CR3: 000000000e4f5002 CR4: 0000000000772ef0
[   42.243597][  T507] PKRU: 55555554
[   42.243817][  T507] Call Trace:
[   42.244033][  T507]  <TASK>
[ 42.244186][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.244511][ T507] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.244799][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.245091][ T507] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.245409][ T507] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.245705][ T507] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.245994][ T507] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.246312][ T507] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.246682][ T507] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.246969][ T507] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.247267][ T507] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.247602][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.247894][ T507] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.248183][ T507] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.248574][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.248868][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.249151][ T507] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.249482][ T507] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.249779][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.250068][ T507] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.250366][ T507] ? __create_object (mm/kmemleak.c:771) 
[ 42.250671][ T507] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.250958][ T507] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.251256][ T507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.251626][ T507] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.251922][ T507] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.252237][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.252545][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.252840][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.253127][ T507] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.253423][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.253746][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.254032][ T507] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.254334][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.254650][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.254943][ T507] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.255240][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.255542][ T507] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.255840][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.256125][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.256433][ T507] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.256749][ T507] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.257066][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.257374][ T507] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.257678][ T507] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.257965][ T507] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.258271][ T507] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.258566][ T507] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.258871][ T507] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.259247][ T507] ___sys_sendmsg (net/socket.c:2670) 
[ 42.259547][ T507] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.259870][ T507] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.260240][ T507] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.260532][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.260840][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.261138][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.261435][ T507] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.261737][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.262031][ T507] __sys_sendmsg (net/socket.c:2700) 
[ 42.262338][ T507] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.262701][ T507] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.263003][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.263309][ T507] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.263601][ T507] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.263967][  T507] RIP: 0033:0x7fb2bfe661e7
[ 42.264278][ T507] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.265292][  T507] RSP: 002b:00007ffd48a2e648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.265723][  T507] RAX: ffffffffffffffda RBX: 00007ffd48a2ed70 RCX: 00007fb2bfe661e7
[   42.266178][  T507] RDX: 0000000000000000 RSI: 00007ffd48a2e6b0 RDI: 0000000000000005
[   42.266617][  T507] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.267054][  T507] R10: 00007fb2bfd63ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.267495][  T507] R13: 00000000686e7348 R14: 0000000000499600 R15: 0000000000000000
| [   42.383591][  T508] ------------[ cut here ]------------
| [ 42.383901][ T508] WARNING: CPU: 3 PID: 508 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.384466][  T508] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.385612][  T508] Tainted: [W]=WARN
[   42.385819][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.386169][ T508] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.386461][ T508] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.387452][  T508] RSP: 0018:ffffc90000927140 EFLAGS: 00010246
[   42.387798][  T508] RAX: 0000000000000000 RBX: ffff88800befc000 RCX: 0000000000000001
[   42.388217][  T508] RDX: 0000000000000000 RSI: ffffffff9669b939 RDI: ffffffff95e555e0
[   42.388627][  T508] RBP: ffffc90000927230 R08: ffff88800c2a3800 R09: 0000000000000000
[   42.389037][  T508] R10: ffffc900009275c8 R11: ffffffff97450668 R12: 1ffff92000124e2c
[   42.389594][  T508] R13: 00000000000007d0 R14: ffffc90000927880 R15: ffff88800e7cd1e0
[   42.390010][  T508] FS:  00007f4472f22800(0000) GS:ffff888096e37000(0000) knlGS:0000000000000000
[   42.390616][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.390968][  T508] CR2: 00000000004e5ac8 CR3: 0000000005958001 CR4: 0000000000772ef0
[   42.391547][  T508] PKRU: 55555554
[   42.391754][  T508] Call Trace:
[   42.391960][  T508]  <TASK>
[ 42.392100][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.392544][ T508] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.392824][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.393103][ T508] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.393391][ T508] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.393665][ T508] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.393949][ T508] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.394238][ T508] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.394586][ T508] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.394863][ T508] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.395136][ T508] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.395420][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.395697][ T508] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.395978][ T508] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.396325][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.396602][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.396886][ T508] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.397171][ T508] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.397456][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.397731][ T508] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.398006][ T508] ? __create_object (mm/kmemleak.c:771) 
[ 42.398289][ T508] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.398565][ T508] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.398840][ T508] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.399187][ T508] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.399485][ T508] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.399763][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.400041][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.400327][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.400601][ T508] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.400905][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.401190][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.401476][ T508] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.401754][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.402033][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.402320][ T508] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.402593][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.402896][ T508] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.403182][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.403470][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.403747][ T508] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.404027][ T508] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.404306][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.404584][ T508] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.404862][ T508] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.405138][ T508] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.405435][ T508] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.405723][ T508] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.405996][ T508] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.406355][ T508] ___sys_sendmsg (net/socket.c:2670) 
[ 42.406627][ T508] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.406915][ T508] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.407290][ T508] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.407576][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.407854][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.408135][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.408417][ T508] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.408692][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.408975][ T508] __sys_sendmsg (net/socket.c:2700) 
[ 42.409265][ T508] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.409619][ T508] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.409908][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.410184][ T508] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.410469][ T508] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.410808][  T508] RIP: 0033:0x7f44730ef1e7
[ 42.411099][ T508] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.412092][  T508] RSP: 002b:00007fff407ddb58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.412515][  T508] RAX: ffffffffffffffda RBX: 00007fff407de280 RCX: 00007f44730ef1e7
[   42.412927][  T508] RDX: 0000000000000000 RSI: 00007fff407ddbc0 RDI: 0000000000000005
[   42.413354][  T508] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.413762][  T508] R10: 00007f4472fecee8 R11: 0000000000000246 R12: 0000000000000004
[   42.414172][  T508] R13: 00000000686e7348 R14: 0000000000499600 R15: 0000000000000000
| [   42.534820][  T509] ------------[ cut here ]------------
| [ 42.535126][ T509] WARNING: CPU: 1 PID: 509 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.535967][  T509] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.537117][  T509] Tainted: [W]=WARN
[   42.537335][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.537678][ T509] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.537962][ T509] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.538958][  T509] RSP: 0018:ffffc90000927140 EFLAGS: 00010246
[   42.539313][  T509] RAX: 0000000000000000 RBX: ffff88800bef9000 RCX: 0000000000000001
[   42.539772][  T509] RDX: 0000000000000000 RSI: ffffffff9669b939 RDI: ffffffff95e555e0
[   42.540184][  T509] RBP: ffffc90000927230 R08: ffff88800ce78800 R09: 0000000000000000
[   42.540601][  T509] R10: ffffc900009275c8 R11: ffffffff97450668 R12: 1ffff92000124e2c
[   42.541018][  T509] R13: 00000000000007d0 R14: ffffc90000927880 R15: ffff88800e7cc760
[   42.541445][  T509] FS:  00007f3f484bc800(0000) GS:ffff888096d37000(0000) knlGS:0000000000000000
[   42.541924][  T509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.542278][  T509] CR2: 00000000004e5ac0 CR3: 000000000e5a6001 CR4: 0000000000772ef0
[   42.542697][  T509] PKRU: 55555554
[   42.542902][  T509] Call Trace:
[   42.543106][  T509]  <TASK>
[ 42.543258][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.543545][ T509] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.543818][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.544099][ T509] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.544380][ T509] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.544661][ T509] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.544939][ T509] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.545230][ T509] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.545580][ T509] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.545851][ T509] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.546123][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.546409][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.546694][ T509] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.546967][ T509] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.547316][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.547595][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.547869][ T509] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.548143][ T509] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.548432][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.548712][ T509] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.548984][ T509] ? __create_object (mm/kmemleak.c:771) 
[ 42.549266][ T509] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.549553][ T509] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.549825][ T509] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.550166][ T509] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.550455][ T509] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.550734][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.551014][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.551304][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.551581][ T509] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.551851][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.552125][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.552421][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.552696][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.552980][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.553266][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.553541][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.553816][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.554102][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.554384][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.554660][ T509] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.554944][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.555230][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.555511][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.555789][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.556064][ T509] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.556354][ T509] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.556631][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.556903][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.557268][ T509] ___sys_sendmsg (net/socket.c:2670) 
[ 42.557540][ T509] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.557814][ T509] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.558154][ T509] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.558441][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.558717][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.558996][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.559286][ T509] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.559567][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.559852][ T509] __sys_sendmsg (net/socket.c:2700) 
[ 42.560133][ T509] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.560486][ T509] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.560773][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.561047][ T509] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.561338][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.561675][  T509] RIP: 0033:0x7f3f486891e7
[ 42.561956][ T509] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.562940][  T509] RSP: 002b:00007ffd6529f088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.563369][  T509] RAX: ffffffffffffffda RBX: 00007ffd6529f7b0 RCX: 00007f3f486891e7
[   42.563780][  T509] RDX: 0000000000000000 RSI: 00007ffd6529f0f0 RDI: 0000000000000005
[   42.564186][  T509] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.564608][  T509] R10: 00007f3f48586ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.565024][  T509] R13: 00000000686e7348 R14: 0000000000499600 R15: 0000000000000000
| [   42.685333][  T510] ------------[ cut here ]------------
| [ 42.685638][ T510] WARNING: CPU: 3 PID: 510 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.686209][  T510] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.687363][  T510] Tainted: [W]=WARN
[   42.687592][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.687941][ T510] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.688236][ T510] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.689872][  T510] RSP: 0018:ffffc90000937140 EFLAGS: 00010246
[   42.690243][  T510] RAX: 0000000000000000 RBX: ffff88800eecc000 RCX: 0000000000000001
[   42.690664][  T510] RDX: 0000000000000000 RSI: ffffffff9669b939 RDI: ffffffff95e555e0
[   42.691082][  T510] RBP: ffffc90000937230 R08: ffff88800ade5000 R09: 0000000000000000
[   42.691515][  T510] R10: ffffc900009375c8 R11: ffffffff97450668 R12: 1ffff92000126e2c
[   42.691942][  T510] R13: 00000000000007d0 R14: ffffc90000937880 R15: ffff88800bef3be0
[   42.692359][  T510] FS:  00007f0f7fc30800(0000) GS:ffff888096e37000(0000) knlGS:0000000000000000
[   42.692838][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.693183][  T510] CR2: 00000000004e73f0 CR3: 000000000ed70005 CR4: 0000000000772ef0
[   42.693610][  T510] PKRU: 55555554
[   42.693817][  T510] Call Trace:
[   42.694021][  T510]  <TASK>
[ 42.694159][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.694447][ T510] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.694719][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.694996][ T510] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.695276][ T510] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.695550][ T510] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.695832][ T510] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.696111][ T510] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.696467][ T510] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.696739][ T510] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.697020][ T510] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.697304][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.697587][ T510] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.697876][ T510] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.698240][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.698517][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.698798][ T510] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.699071][ T510] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.699367][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.699645][ T510] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.699919][ T510] ? __create_object (mm/kmemleak.c:771) 
[ 42.700220][ T510] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.700496][ T510] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.700769][ T510] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.701109][ T510] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.701396][ T510] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.701674][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.701957][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.702245][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.702520][ T510] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.702810][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.703088][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.703369][ T510] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.703644][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.703920][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.704215][ T510] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.704497][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.704794][ T510] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.705081][ T510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.705361][ T510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.705635][ T510] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.705932][ T510] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.706224][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.706503][ T510] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.706779][ T510] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.707053][ T510] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.707341][ T510] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.707617][ T510] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.707889][ T510] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.708272][ T510] ___sys_sendmsg (net/socket.c:2670) 
[ 42.708547][ T510] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.708817][ T510] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.709159][ T510] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.709460][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.709737][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.710029][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.710320][ T510] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.710591][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.710869][ T510] __sys_sendmsg (net/socket.c:2700) 
[ 42.711140][ T510] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.711486][ T510] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.711771][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.712046][ T510] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.712327][ T510] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.712671][  T510] RIP: 0033:0x7f0f7fdfd1e7
[ 42.712954][ T510] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.713939][  T510] RSP: 002b:00007ffdf1737e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.714365][  T510] RAX: ffffffffffffffda RBX: 00007ffdf1738580 RCX: 00007f0f7fdfd1e7
[   42.714788][  T510] RDX: 0000000000000000 RSI: 00007ffdf1737ec0 RDI: 0000000000000005
[   42.715206][  T510] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.715627][  T510] R10: 00007f0f7fcfaee8 R11: 0000000000000246 R12: 0000000000000004
[   42.716039][  T510] R13: 00000000686e7348 R14: 0000000000499600 R15: 0000000000000000
| [   42.818656][  T511] ------------[ cut here ]------------
| [ 42.818992][ T511] WARNING: CPU: 2 PID: 511 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.819594][  T511] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.820783][  T511] Tainted: [W]=WARN
[   42.821012][  T511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.821376][ T511] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.821692][ T511] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.822716][  T511] RSP: 0018:ffffc90000937140 EFLAGS: 00010246
[   42.823078][  T511] RAX: 0000000000000000 RBX: ffff88800a249000 RCX: 0000000000000001
[   42.823511][  T511] RDX: 0000000000000000 RSI: ffffffff9669b939 RDI: ffffffff95e555e0
[   42.823965][  T511] RBP: ffffc90000937230 R08: ffff88800cf63800 R09: 0000000000000000
[   42.824401][  T511] R10: ffffc900009375c8 R11: ffffffff97450668 R12: 1ffff92000126e2c
[   42.824846][  T511] R13: 00000000000007d0 R14: ffffc90000937880 R15: ffff88800bef3160
[   42.825280][  T511] FS:  00007f8b2cf3f800(0000) GS:ffff888096db7000(0000) knlGS:0000000000000000
[   42.825780][  T511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.826135][  T511] CR2: 00000000004e5ab8 CR3: 0000000002ab2006 CR4: 0000000000772ef0
[   42.826578][  T511] PKRU: 55555554
[   42.826809][  T511] Call Trace:
[   42.827027][  T511]  <TASK>
[ 42.827179][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.827487][ T511] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.827790][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.828082][ T511] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.828378][ T511] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.828678][ T511] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.828972][ T511] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.829278][ T511] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.829653][ T511] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.829972][ T511] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.830277][ T511] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.830570][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.830884][ T511] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.831171][ T511] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.831534][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.831840][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.832123][ T511] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.832421][ T511] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.832707][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.833015][ T511] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.833310][ T511] ? __create_object (mm/kmemleak.c:771) 
[ 42.833601][ T511] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.833901][ T511] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.834188][ T511] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.834551][ T511] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.834857][ T511] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.835150][ T511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.835453][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.835745][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.836066][ T511] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.836365][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.836656][ T511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.836960][ T511] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.837262][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.837551][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.837845][ T511] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.838147][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.838446][ T511] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.838746][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.839040][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.839350][ T511] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.839649][ T511] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.839942][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.840265][ T511] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.840561][ T511] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.840848][ T511] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.841156][ T511] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.841459][ T511] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.841745][ T511] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.842145][ T511] ___sys_sendmsg (net/socket.c:2670) 
[ 42.842444][ T511] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.842729][ T511] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.843104][ T511] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.843409][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.843700][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.843989][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.844309][ T511] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.844594][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.844887][ T511] __sys_sendmsg (net/socket.c:2700) 
[ 42.845182][ T511] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.845548][ T511] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.845846][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.846147][ T511] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.846455][ T511] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.846808][  T511] RIP: 0033:0x7f8b2d10c1e7
[ 42.847108][ T511] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.848137][  T511] RSP: 002b:00007ffe1ecb5d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.848620][  T511] RAX: ffffffffffffffda RBX: 00007ffe1ecb64c0 RCX: 00007f8b2d10c1e7
[   42.849043][  T511] RDX: 0000000000000000 RSI: 00007ffe1ecb5e00 RDI: 0000000000000005
[   42.849502][  T511] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.849925][  T511] R10: 00007f8b2d009ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.850378][  T511] R13: 00000000686e7348 R14: 0000000000499600 R15: 0000000000000000
| [   42.966783][  T512] ------------[ cut here ]------------
| [ 42.967085][ T512] WARNING: CPU: 3 PID: 512 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.967645][  T512] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.969022][  T512] Tainted: [W]=WARN
[   42.969239][  T512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.969600][ T512] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.969883][ T512] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.970866][  T512] RSP: 0018:ffffc90000947140 EFLAGS: 00010246
[   42.971227][  T512] RAX: 0000000000000000 RBX: ffff8880091d9000 RCX: 0000000000000001
[   42.971644][  T512] RDX: 0000000000000000 RSI: ffffffff9669b939 RDI: ffffffff95e555e0
[   42.972053][  T512] RBP: ffffc90000947230 R08: ffff88800bc5d000 R09: 0000000000000000
[   42.972477][  T512] R10: ffffc900009475c8 R11: ffffffff97450668 R12: 1ffff92000128e2c
[   42.972884][  T512] R13: 00000000000007d0 R14: ffffc90000947880 R15: ffff88800bef26e0
[   42.973305][  T512] FS:  00007f059b21d800(0000) GS:ffff888096e37000(0000) knlGS:0000000000000000
[   42.973784][  T512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.974128][  T512] CR2: 00000000004e59c0 CR3: 000000000a311002 CR4: 0000000000772ef0
[   42.974547][  T512] PKRU: 55555554
[   42.974753][  T512] Call Trace:
[   42.974963][  T512]  <TASK>
[ 42.975104][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.975392][ T512] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.975665][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.975942][ T512] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.976225][ T512] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.976500][ T512] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.976781][ T512] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.977067][ T512] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.977450][ T512] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.977728][ T512] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.978000][ T512] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.978285][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.978567][ T512] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.978847][ T512] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.979187][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.979528][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.979806][ T512] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.980079][ T512] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.980364][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.980639][ T512] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.980911][ T512] ? __create_object (mm/kmemleak.c:771) 
[ 42.981209][ T512] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.981486][ T512] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.981761][ T512] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.982103][ T512] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.982395][ T512] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.982674][ T512] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.982946][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.983247][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.983529][ T512] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.983798][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.984080][ T512] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.984361][ T512] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.984671][ T512] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.984952][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.985237][ T512] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.985517][ T512] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.985792][ T512] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.986078][ T512] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.986359][ T512] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.986640][ T512] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.986917][ T512] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.987188][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.987488][ T512] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.987764][ T512] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.988037][ T512] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.988328][ T512] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.988612][ T512] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.988886][ T512] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.989247][ T512] ___sys_sendmsg (net/socket.c:2670) 
[ 42.989538][ T512] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.989811][ T512] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.990153][ T512] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.990445][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.990729][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.991010][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.991298][ T512] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.991581][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.991864][ T512] __sys_sendmsg (net/socket.c:2700) 
[ 42.992136][ T512] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.992490][ T512] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.992777][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.993051][ T512] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.993336][ T512] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.993677][  T512] RIP: 0033:0x7f059b3ea1e7
[ 42.993967][ T512] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.994949][  T512] RSP: 002b:00007ffed5783db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.995372][  T512] RAX: ffffffffffffffda RBX: 00007ffed57844e0 RCX: 00007f059b3ea1e7
[   42.995787][  T512] RDX: 0000000000000000 RSI: 00007ffed5783e20 RDI: 0000000000000005
[   42.996206][  T512] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.996614][  T512] R10: 00007f059b2e7ee8 R11: 0000000000000246 R12: 0000000000000004


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