======================================
| [   34.557281][  T419] tc (419) used greatest stack depth: 23904 bytes left
| [   40.440464][  T479] ------------[ cut here ]------------
| [ 40.441043][ T479] WARNING: CPU: 2 PID: 479 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.441676][  T479] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
[   40.443161][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.443555][ T479] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.443899][ T479] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.444998][  T479] RSP: 0018:ffffc90000557140 EFLAGS: 00010246
[   40.445385][  T479] RAX: 0000000000000000 RBX: ffff888008be4000 RCX: 0000000000000001
[   40.445857][  T479] RDX: 0000000000000000 RSI: ffffffff88c9b941 RDI: ffffffff884555e0
[   40.446309][  T479] RBP: ffffc90000557230 R08: ffff88800bbda000 R09: 0000000000000000
[   40.446773][  T479] R10: ffffc900005575c8 R11: ffffffff89a50668 R12: 1ffff920000aae2c
[   40.447222][  T479] R13: 00000000000007d0 R14: ffffc90000557880 R15: ffff88800a382de0
[   40.447679][  T479] FS:  00007f378c281800(0000) GS:ffff8880ab5b7000(0000) knlGS:0000000000000000
[   40.448215][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.448607][  T479] CR2: 00000000004e5aa0 CR3: 000000000a3f5005 CR4: 0000000000772ef0
[   40.449075][  T479] PKRU: 55555554
[   40.449313][  T479] Call Trace:
[   40.449550][  T479]  <TASK>
[ 40.449716][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.450051][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.450708][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.451040][ T479] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.451348][ T479] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.451653][ T479] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.451987][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.452310][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.452706][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.453022][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.453332][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.453636][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.453960][ T479] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.454270][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.454649][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.454970][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.455276][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.455581][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.455903][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.456222][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.456525][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 40.456846][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.457162][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.457473][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.457866][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.458179][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.458488][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.458799][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.459117][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.459424][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.459730][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.460051][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.460371][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.460677][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.461000][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.461313][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.461621][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.461945][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.462262][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.462562][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.462881][ T479] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.463205][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.463513][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.463835][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.464154][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.464459][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.464838][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.465154][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.465457][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.465855][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 40.466159][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.466468][ T479] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.466858][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.467165][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.467478][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.467801][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.468116][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.468420][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.468733][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 40.469055][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.469429][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.469754][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.470064][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.470379][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.470769][  T479] RIP: 0033:0x7f378c44e1e7
[ 40.471093][ T479] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.472202][  T479] RSP: 002b:00007ffd42144188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.472667][  T479] RAX: ffffffffffffffda RBX: 00007ffd421448b0 RCX: 00007f378c44e1e7
[   40.473134][  T479] RDX: 0000000000000000 RSI: 00007ffd421441f0 RDI: 0000000000000005
[   40.473596][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.474060][  T479] R10: 00007f378c34bee8 R11: 0000000000000246 R12: 0000000000000004
[   40.474511][  T479] R13: 00000000686e3e13 R14: 0000000000499600 R15: 0000000000000000
| [   40.616900][  T480] ------------[ cut here ]------------
| [ 40.617282][ T480] WARNING: CPU: 2 PID: 480 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.617888][  T480] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.619134][  T480] Tainted: [W]=WARN
[   40.619388][  T480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.619775][ T480] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.620095][ T480] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.621174][  T480] RSP: 0018:ffffc9000089f140 EFLAGS: 00010246
[   40.621568][  T480] RAX: 0000000000000000 RBX: ffff8880080c9000 RCX: 0000000000000001
[   40.622030][  T480] RDX: 0000000000000000 RSI: ffffffff88c9b941 RDI: ffffffff884555e0
[   40.622493][  T480] RBP: ffffc9000089f230 R08: ffff88800b4ed000 R09: 0000000000000000
[   40.622954][  T480] R10: ffffc9000089f5c8 R11: ffffffff89a50668 R12: 1ffff92000113e2c
[   40.623412][  T480] R13: 00000000000007d0 R14: ffffc9000089f880 R15: ffff88800a3834e0
[   40.623874][  T480] FS:  00007f84c673d800(0000) GS:ffff8880ab5b7000(0000) knlGS:0000000000000000
[   40.624394][  T480] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.624786][  T480] CR2: 00000000004e5aa8 CR3: 000000000bdfb002 CR4: 0000000000772ef0
[   40.625252][  T480] PKRU: 55555554
[   40.625487][  T480] Call Trace:
[   40.625721][  T480]  <TASK>
[ 40.625895][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.626210][ T480] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.626517][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.626864][ T480] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.627176][ T480] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.627485][ T480] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.627819][ T480] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.628134][ T480] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.628519][ T480] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.628836][ T480] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.629144][ T480] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.629461][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.629815][ T480] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.630122][ T480] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.630511][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.630848][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.631151][ T480] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.631455][ T480] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.631777][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.632085][ T480] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.632395][ T480] ? __create_object (mm/kmemleak.c:771) 
[ 40.632699][ T480] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.633015][ T480] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.633317][ T480] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.633692][ T480] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.634013][ T480] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.634326][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.634636][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.634963][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.635267][ T480] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.635570][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.635894][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.636196][ T480] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.636501][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.636821][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.637171][ T480] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.637477][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.637798][ T480] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.638112][ T480] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.638416][ T480] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.638722][ T480] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.639046][ T480] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.639355][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.639667][ T480] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.639989][ T480] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.640305][ T480] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.640620][ T480] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.640946][ T480] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.641251][ T480] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.641648][ T480] ___sys_sendmsg (net/socket.c:2670) 
[ 40.641966][ T480] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.642274][ T480] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.642660][ T480] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.642987][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.643301][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.643610][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.643935][ T480] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.644243][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.644554][ T480] __sys_sendmsg (net/socket.c:2700) 
[ 40.644869][ T480] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.645246][ T480] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.645565][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.645884][ T480] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.646199][ T480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.646587][  T480] RIP: 0033:0x7f84c690a1e7
[ 40.646925][ T480] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.648001][  T480] RSP: 002b:00007ffe20e2a438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.648466][  T480] RAX: ffffffffffffffda RBX: 00007ffe20e2ab60 RCX: 00007f84c690a1e7
[   40.648928][  T480] RDX: 0000000000000000 RSI: 00007ffe20e2a4a0 RDI: 0000000000000005
[   40.649384][  T480] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.649852][  T480] R10: 00007f84c6807ee8 R11: 0000000000000246 R12: 0000000000000004
[   40.650320][  T480] R13: 00000000686e3e13 R14: 0000000000499600 R15: 0000000000000000
| [   40.762037][  T481] ------------[ cut here ]------------
| [ 40.762430][ T481] WARNING: CPU: 2 PID: 481 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.763054][  T481] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.764353][  T481] Tainted: [W]=WARN
[   40.764589][  T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.765235][ T481] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.765564][ T481] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.766631][  T481] RSP: 0018:ffffc90000537140 EFLAGS: 00010246
[   40.767066][  T481] RAX: 0000000000000000 RBX: ffff888007781000 RCX: 0000000000000001
[   40.767527][  T481] RDX: 0000000000000000 RSI: ffffffff88c9b941 RDI: ffffffff884555e0
[   40.767990][  T481] RBP: ffffc90000537230 R08: ffff888002a72000 R09: 0000000000000000
[   40.768452][  T481] R10: ffffc900005375c8 R11: ffffffff89a50668 R12: 1ffff920000a6e2c
[   40.768917][  T481] R13: 00000000000007d0 R14: ffffc90000537880 R15: ffff88800a381c60
[   40.769376][  T481] FS:  00007fc44e406800(0000) GS:ffff8880ab5b7000(0000) knlGS:0000000000000000
[   40.769911][  T481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.770301][  T481] CR2: 00000000004e73b0 CR3: 00000000092f7004 CR4: 0000000000772ef0
[   40.770774][  T481] PKRU: 55555554
[   40.771011][  T481] Call Trace:
[   40.771248][  T481]  <TASK>
[ 40.771412][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.771737][ T481] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.772057][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.772371][ T481] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.772676][ T481] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.772996][ T481] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.773311][ T481] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.773626][ T481] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.774033][ T481] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.774371][ T481] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.774678][ T481] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.775007][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.775319][ T481] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.775627][ T481] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.776038][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.776354][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.776658][ T481] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.776981][ T481] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.777292][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.777601][ T481] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.777916][ T481] ? __create_object (mm/kmemleak.c:771) 
[ 40.778229][ T481] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.778546][ T481] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.778863][ T481] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.779247][ T481] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.779566][ T481] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.779895][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.780198][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.780524][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.780847][ T481] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.781163][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.781471][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.781789][ T481] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.782099][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.782412][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.782725][ T481] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.783048][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.783361][ T481] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.783676][ T481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.783993][ T481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.784302][ T481] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.784618][ T481] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.784938][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.785255][ T481] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.785577][ T481] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.785917][ T481] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.786234][ T481] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.786546][ T481] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.786865][ T481] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.787260][ T481] ___sys_sendmsg (net/socket.c:2670) 
[ 40.787561][ T481] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.787888][ T481] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.788273][ T481] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.788585][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.788912][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.789225][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.789534][ T481] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.789854][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.790165][ T481] __sys_sendmsg (net/socket.c:2700) 
[ 40.790489][ T481] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.790883][ T481] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.791203][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.791510][ T481] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.791836][ T481] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.792214][  T481] RIP: 0033:0x7fc44e5d31e7
[ 40.792528][ T481] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.793603][  T481] RSP: 002b:00007ffdf432e608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.794072][  T481] RAX: ffffffffffffffda RBX: 00007ffdf432ed30 RCX: 00007fc44e5d31e7
[   40.794550][  T481] RDX: 0000000000000000 RSI: 00007ffdf432e670 RDI: 0000000000000005
[   40.795026][  T481] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.795478][  T481] R10: 00007fc44e4d0ee8 R11: 0000000000000246 R12: 0000000000000004
[   40.795937][  T481] R13: 00000000686e3e13 R14: 0000000000499600 R15: 0000000000000000
| [   40.913079][  T482] ------------[ cut here ]------------
| [ 40.913473][ T482] WARNING: CPU: 2 PID: 482 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.914105][  T482] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.915357][  T482] Tainted: [W]=WARN
[   40.915591][  T482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.916299][ T482] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.916622][ T482] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.917693][  T482] RSP: 0018:ffffc90000527140 EFLAGS: 00010246
[   40.918096][  T482] RAX: 0000000000000000 RBX: ffff888005854000 RCX: 0000000000000001
[   40.918555][  T482] RDX: 0000000000000000 RSI: ffffffff88c9b941 RDI: ffffffff884555e0
[   40.919015][  T482] RBP: ffffc90000527230 R08: ffff88800b6d5000 R09: 0000000000000000
[   40.919464][  T482] R10: ffffc900005275c8 R11: ffffffff89a50668 R12: 1ffff920000a4e2c
[   40.919926][  T482] R13: 00000000000007d0 R14: ffffc90000527880 R15: ffff88800a382a60
[   40.920414][  T482] FS:  00007f3e56842800(0000) GS:ffff8880ab5b7000(0000) knlGS:0000000000000000
[   40.920960][  T482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.921349][  T482] CR2: 00000000004e5ab0 CR3: 000000000a3c7006 CR4: 0000000000772ef0
[   40.921815][  T482] PKRU: 55555554
[   40.922052][  T482] Call Trace:
[   40.922292][  T482]  <TASK>
[ 40.922455][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.922789][ T482] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.923097][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.923410][ T482] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.923716][ T482] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.924042][ T482] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.924369][ T482] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.924684][ T482] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.925081][ T482] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.925389][ T482] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.925696][ T482] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.926020][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.926332][ T482] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.926644][ T482] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.927033][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.927347][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.927653][ T482] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.927971][ T482] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.928280][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.928586][ T482] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.928905][ T482] ? __create_object (mm/kmemleak.c:771) 
[ 40.929226][ T482] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.929534][ T482] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.929855][ T482] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.930233][ T482] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.930568][ T482] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.930899][ T482] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.931207][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.931531][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.931935][ T482] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.932242][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.932550][ T482] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.932867][ T482] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.933185][ T482] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.933494][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.933819][ T482] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.934139][ T482] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.934448][ T482] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.934779][ T482] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.935085][ T482] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.935394][ T482] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.935707][ T482] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.936035][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.936359][ T482] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.936672][ T482] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.936997][ T482] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.937316][ T482] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.937629][ T482] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.937952][ T482] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.938340][ T482] ___sys_sendmsg (net/socket.c:2670) 
[ 40.938657][ T482] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.938991][ T482] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.939392][ T482] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.939705][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.940033][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.940362][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.940675][ T482] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.941004][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.941320][ T482] __sys_sendmsg (net/socket.c:2700) 
[ 40.941627][ T482] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.942018][ T482] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.942339][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.942653][ T482] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.942976][ T482] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.943361][  T482] RIP: 0033:0x7f3e56a0f1e7
[ 40.943682][ T482] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.944766][  T482] RSP: 002b:00007ffe638e2bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.945230][  T482] RAX: ffffffffffffffda RBX: 00007ffe638e32e0 RCX: 00007f3e56a0f1e7
[   40.945701][  T482] RDX: 0000000000000000 RSI: 00007ffe638e2c20 RDI: 0000000000000005
[   40.946193][  T482] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.946649][  T482] R10: 00007f3e5690cee8 R11: 0000000000000246 R12: 0000000000000004
[   40.947113][  T482] R13: 00000000686e3e13 R14: 0000000000499600 R15: 0000000000000000
| [   41.079334][  T483] ------------[ cut here ]------------
| [ 41.079758][ T483] WARNING: CPU: 2 PID: 483 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.080389][  T483] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.082443][  T483] Tainted: [W]=WARN
[   41.082690][  T483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.083086][ T483] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.083406][ T483] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.084470][  T483] RSP: 0018:ffffc9000093f140 EFLAGS: 00010246
[   41.084872][  T483] RAX: 0000000000000000 RBX: ffff88800a094000 RCX: 0000000000000001
[   41.085329][  T483] RDX: 0000000000000000 RSI: ffffffff88c9b941 RDI: ffffffff884555e0
[   41.085795][  T483] RBP: ffffc9000093f230 R08: ffff88800a188800 R09: 0000000000000000
[   41.086244][  T483] R10: ffffc9000093f5c8 R11: ffffffff89a50668 R12: 1ffff92000127e2c
[   41.086699][  T483] R13: 00000000000007d0 R14: ffffc9000093f880 R15: ffff88800bf7ede0
[   41.087163][  T483] FS:  00007f333e401800(0000) GS:ffff8880ab5b7000(0000) knlGS:0000000000000000
[   41.087683][  T483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.088078][  T483] CR2: 00000000004e55b8 CR3: 00000000097b4003 CR4: 0000000000772ef0
[   41.088531][  T483] PKRU: 55555554
[   41.088783][  T483] Call Trace:
[   41.089019][  T483]  <TASK>
[ 41.089181][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.089504][ T483] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.089820][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.090131][ T483] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.090452][ T483] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.090768][ T483] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.091084][ T483] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.091392][ T483] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.091786][ T483] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.092094][ T483] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.092400][ T483] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.092710][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.093028][ T483] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.093344][ T483] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.093721][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.094062][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.094369][ T483] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.094672][ T483] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.094989][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.095294][ T483] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.095605][ T483] ? __create_object (mm/kmemleak.c:771) 
[ 41.095923][ T483] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.096229][ T483] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.096573][ T483] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.096967][ T483] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.097282][ T483] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.097592][ T483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.097912][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.098231][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.098535][ T483] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.098850][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.099156][ T483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.099457][ T483] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.099777][ T483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.100089][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.100435][ T483] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.100757][ T483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.101071][ T483] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.101391][ T483] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.101696][ T483] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.102010][ T483] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.102324][ T483] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.102629][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.102949][ T483] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.103255][ T483] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.103562][ T483] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.103921][ T483] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.104236][ T483] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.104538][ T483] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.104949][ T483] ___sys_sendmsg (net/socket.c:2670) 
[ 41.105252][ T483] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.105558][ T483] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.105944][ T483] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.106251][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.106556][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.106878][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.107184][ T483] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.107499][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.107822][ T483] __sys_sendmsg (net/socket.c:2700) 
[ 41.108126][ T483] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.108505][ T483] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.108832][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.109140][ T483] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.109449][ T483] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.109844][  T483] RIP: 0033:0x7f333e5ce1e7
[ 41.110161][ T483] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.111231][  T483] RSP: 002b:00007ffd9fafdfd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.111689][  T483] RAX: ffffffffffffffda RBX: 00007ffd9fafe700 RCX: 00007f333e5ce1e7
[   41.112155][  T483] RDX: 0000000000000000 RSI: 00007ffd9fafe040 RDI: 0000000000000005
[   41.112604][  T483] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.113063][  T483] R10: 00007f333e4cbee8 R11: 0000000000000246 R12: 0000000000000004
[   41.113514][  T483] R13: 00000000686e3e13 R14: 0000000000499600 R15: 0000000000000000
| [   41.217485][  T484] ------------[ cut here ]------------
| [ 41.217851][ T484] WARNING: CPU: 0 PID: 484 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.218443][  T484] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.219681][  T484] Tainted: [W]=WARN
[   41.219925][  T484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.220307][ T484] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.220608][ T484] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.221682][  T484] RSP: 0018:ffffc9000097f140 EFLAGS: 00010246
[   41.222069][  T484] RAX: 0000000000000000 RBX: ffff88800963c000 RCX: 0000000000000001
[   41.222512][  T484] RDX: 0000000000000000 RSI: ffffffff88c9b941 RDI: ffffffff884555e0
[   41.222965][  T484] RBP: ffffc9000097f230 R08: ffff88800a915000 R09: 0000000000000000
[   41.223420][  T484] R10: ffffc9000097f5c8 R11: ffffffff89a50668 R12: 1ffff9200012fe2c
[   41.223868][  T484] R13: 00000000000007d0 R14: ffffc9000097f880 R15: ffff88800bf7e360
[   41.224307][  T484] FS:  00007ff899dbf800(0000) GS:ffff8880ab4b7000(0000) knlGS:0000000000000000
[   41.224833][  T484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.225209][  T484] CR2: 00000000004e5ac8 CR3: 000000000aafa003 CR4: 0000000000772ef0
[   41.225652][  T484] PKRU: 55555554
[   41.226055][  T484] Call Trace:
[   41.226280][  T484]  <TASK>
[ 41.226430][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.226734][ T484] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.227189][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.227490][ T484] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.227920][ T484] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.228218][ T484] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.228512][ T484] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.228818][ T484] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.229186][ T484] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.229477][ T484] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.229990][ T484] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.230299][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.230592][ T484] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.230892][ T484] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.231253][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.231550][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.231849][ T484] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.232147][ T484] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.232439][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.232728][ T484] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.233025][ T484] ? __create_object (mm/kmemleak.c:771) 
[ 41.233319][ T484] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.233610][ T484] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.233921][ T484] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.234287][ T484] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.234590][ T484] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.234901][ T484] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.235194][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.235492][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.235789][ T484] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.236081][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.236375][ T484] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.236664][ T484] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.236976][ T484] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.237269][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.237562][ T484] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.237861][ T484] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.238157][ T484] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.238458][ T484] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.238758][ T484] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.239055][ T484] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.239345][ T484] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.239633][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.239942][ T484] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.240236][ T484] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.240534][ T484] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.240843][ T484] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.241148][ T484] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.241435][ T484] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.241822][ T484] ___sys_sendmsg (net/socket.c:2670) 
[ 41.242110][ T484] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.242400][ T484] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.242774][ T484] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.243068][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.243363][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.243657][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.243967][ T484] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.244257][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.244556][ T484] __sys_sendmsg (net/socket.c:2700) 
[ 41.244854][ T484] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.245215][ T484] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.245524][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.245828][ T484] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.246120][ T484] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.246481][  T484] RIP: 0033:0x7ff899f8c1e7
[ 41.246809][ T484] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.247868][  T484] RSP: 002b:00007ffe55b82f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.248311][  T484] RAX: ffffffffffffffda RBX: 00007ffe55b83670 RCX: 00007ff899f8c1e7
[   41.248759][  T484] RDX: 0000000000000000 RSI: 00007ffe55b82fb0 RDI: 0000000000000005
[   41.249194][  T484] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.249643][  T484] R10: 00007ff899e89ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.250094][  T484] R13: 00000000686e3e13 R14: 0000000000499600 R15: 0000000000000000
| [   41.383461][  T485] ------------[ cut here ]------------
| [ 41.384079][ T485] WARNING: CPU: 3 PID: 485 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.384664][  T485] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.385908][  T485] Tainted: [W]=WARN
[   41.386135][  T485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.386502][ T485] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.386832][ T485] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.387895][  T485] RSP: 0018:ffffc9000098f140 EFLAGS: 00010246
[   41.388266][  T485] RAX: 0000000000000000 RBX: ffff8880079a9000 RCX: 0000000000000001
[   41.388709][  T485] RDX: 0000000000000000 RSI: ffffffff88c9b941 RDI: ffffffff884555e0
[   41.389152][  T485] RBP: ffffc9000098f230 R08: ffff888005f48800 R09: 0000000000000000
[   41.389600][  T485] R10: ffffc9000098f5c8 R11: ffffffff89a50668 R12: 1ffff92000131e2c
[   41.390073][  T485] R13: 00000000000007d0 R14: ffffc9000098f880 R15: ffff88800bf7d8e0
[   41.390550][  T485] FS:  00007fe5d2174800(0000) GS:ffff8880ab637000(0000) knlGS:0000000000000000
[   41.391104][  T485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.391494][  T485] CR2: 00000000004e5ac0 CR3: 000000000bf85005 CR4: 0000000000772ef0
[   41.392171][  T485] PKRU: 55555554
[   41.392397][  T485] Call Trace:
[   41.392622][  T485]  <TASK>
[ 41.392905][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.393209][ T485] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.393502][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.393905][ T485] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.394207][ T485] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.394498][ T485] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.394819][ T485] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.395118][ T485] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.395490][ T485] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.395798][ T485] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.396093][ T485] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.396396][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.396692][ T485] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.397004][ T485] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.397374][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.397680][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.397981][ T485] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.398283][ T485] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.398601][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.398917][ T485] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.399232][ T485] ? __create_object (mm/kmemleak.c:771) 
[ 41.399544][ T485] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.399866][ T485] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.400176][ T485] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.400581][ T485] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.400931][ T485] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.401246][ T485] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.401535][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.401854][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.402156][ T485] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.402449][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.402743][ T485] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.403060][ T485] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.403364][ T485] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.403675][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.404008][ T485] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.404311][ T485] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.404617][ T485] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.404931][ T485] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.405237][ T485] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.405540][ T485] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.405848][ T485] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.406141][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.406443][ T485] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.406735][ T485] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.407038][ T485] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.407342][ T485] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.407644][ T485] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.407954][ T485] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.408332][ T485] ___sys_sendmsg (net/socket.c:2670) 
[ 41.408626][ T485] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.408938][ T485] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.409308][ T485] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.409606][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.409933][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.410235][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.410544][ T485] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.410847][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.411151][ T485] __sys_sendmsg (net/socket.c:2700) 
[ 41.411454][ T485] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.411832][ T485] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.412136][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.412449][ T485] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.412771][ T485] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.413135][  T485] RIP: 0033:0x7fe5d23411e7
[ 41.413439][ T485] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.414513][  T485] RSP: 002b:00007ffe43ee3878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.414988][  T485] RAX: ffffffffffffffda RBX: 00007ffe43ee3fa0 RCX: 00007fe5d23411e7
[   41.415444][  T485] RDX: 0000000000000000 RSI: 00007ffe43ee38e0 RDI: 0000000000000005
[   41.415899][  T485] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.416371][  T485] R10: 00007fe5d223eee8 R11: 0000000000000246 R12: 0000000000000004
[   41.416836][  T485] R13: 00000000686e3e14 R14: 0000000000499600 R15: 0000000000000000
| [   41.548549][  T486] ------------[ cut here ]------------
| [ 41.548959][ T486] WARNING: CPU: 2 PID: 486 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.549563][  T486] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.551004][  T486] Tainted: [W]=WARN
[   41.551370][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.551849][ T486] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.552174][ T486] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.553258][  T486] RSP: 0018:ffffc9000099f140 EFLAGS: 00010246
[   41.553649][  T486] RAX: 0000000000000000 RBX: ffff88800b62c000 RCX: 0000000000000001
[   41.554115][  T486] RDX: 0000000000000000 RSI: ffffffff88c9b941 RDI: ffffffff884555e0
[   41.554571][  T486] RBP: ffffc9000099f230 R08: ffff88800504d000 R09: 0000000000000000
[   41.555053][  T486] R10: ffffc9000099f5c8 R11: ffffffff89a50668 R12: 1ffff92000133e2c
[   41.555506][  T486] R13: 00000000000007d0 R14: ffffc9000099f880 R15: ffff88800bf7ce60
[   41.555975][  T486] FS:  00007fd32fd4f800(0000) GS:ffff8880ab5b7000(0000) knlGS:0000000000000000
[   41.556512][  T486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.556915][  T486] CR2: 00000000004e73c8 CR3: 000000000a2c5005 CR4: 0000000000772ef0
[   41.557375][  T486] PKRU: 55555554
[   41.557611][  T486] Call Trace:
[   41.557862][  T486]  <TASK>
[ 41.558026][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.558343][ T486] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.558655][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.558978][ T486] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.559295][ T486] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.559600][ T486] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.559928][ T486] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.560244][ T486] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.560640][ T486] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.560960][ T486] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.561274][ T486] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.561584][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.561908][ T486] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.562212][ T486] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.562592][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.562915][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.563247][ T486] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.563566][ T486] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.563898][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.564210][ T486] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.564513][ T486] ? __create_object (mm/kmemleak.c:771) 
[ 41.564832][ T486] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.565145][ T486] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.565452][ T486] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.565845][ T486] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.566166][ T486] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.566480][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.566801][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.567116][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.567435][ T486] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.567741][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.568065][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.568373][ T486] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.568689][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.569018][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.569330][ T486] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.569643][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.569964][ T486] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.570296][ T486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.570610][ T486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.570967][ T486] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.571281][ T486] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.571586][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.571913][ T486] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.572226][ T486] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.572529][ T486] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.572874][ T486] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.573190][ T486] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.573496][ T486] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.573899][ T486] ___sys_sendmsg (net/socket.c:2670) 
[ 41.574207][ T486] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.574513][ T486] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.574906][ T486] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.575214][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.575527][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.575855][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.576162][ T486] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.576469][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.576795][ T486] __sys_sendmsg (net/socket.c:2700) 
[ 41.577097][ T486] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.577467][ T486] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.577802][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.578113][ T486] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.578420][ T486] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.578806][  T486] RIP: 0033:0x7fd32ff1c1e7
[ 41.579122][ T486] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.580211][  T486] RSP: 002b:00007ffe77415f98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.580694][  T486] RAX: ffffffffffffffda RBX: 00007ffe774166c0 RCX: 00007fd32ff1c1e7
[   41.581158][  T486] RDX: 0000000000000000 RSI: 00007ffe77416000 RDI: 0000000000000005
[   41.581607][  T486] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.582079][  T486] R10: 00007fd32fe19ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.582529][  T486] R13: 00000000686e3e14 R14: 0000000000499600 R15: 0000000000000000
| [   41.725510][  T487] ------------[ cut here ]------------
| [ 41.725890][ T487] WARNING: CPU: 3 PID: 487 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) 
| [   41.726479][  T487] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.727706][  T487] Tainted: [W]=WARN
[   41.727952][  T487] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.728315][ T487] 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) 
[ 41.728616][ T487] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.729687][  T487] RSP: 0018:ffffc900009d7140 EFLAGS: 00010246
[   41.730074][  T487] RAX: 0000000000000000 RBX: ffff88800a0a1000 RCX: 0000000000000001
[   41.730520][  T487] RDX: 0000000000000000 RSI: ffffffff88c9b941 RDI: ffffffff884555e0
[   41.730963][  T487] RBP: ffffc900009d7230 R08: ffff88800aaa8800 R09: 0000000000000000
[   41.731398][  T487] R10: ffffc900009d75c8 R11: ffffffff89a50668 R12: 1ffff9200013ae2c
[   41.731847][  T487] R13: 00000000000007d0 R14: ffffc900009d7880 R15: ffff88800bf7c3e0
[   41.732284][  T487] FS:  00007f2ef9677800(0000) GS:ffff8880ab637000(0000) knlGS:0000000000000000
[   41.732797][  T487] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.733163][  T487] CR2: 00000000004e5ab8 CR3: 00000000092fc001 CR4: 0000000000772ef0
[   41.733609][  T487] PKRU: 55555554
[   41.733844][  T487] Call Trace:
[   41.734067][  T487]  <TASK>
[ 41.734215][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.734513][ T487] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.734812][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.735107][ T487] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.735401][ T487] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.735694][ T487] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.736006][ T487] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.736306][ T487] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.736687][ T487] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.736995][ T487] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.737289][ T487] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.737587][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.737901][ T487] ? __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) 
[ 41.738197][ T487] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.738559][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.738858][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.739150][ T487] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.739441][ T487] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.739759][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.740056][ T487] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.740363][ T487] ? __create_object (mm/kmemleak.c:771) 
[ 41.740658][ T487] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.740962][ T487] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.741258][ T487] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.741623][ T487] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.741926][ T487] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.742225][ T487] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.742522][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.742830][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.743127][ T487] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.743417][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.743714][ T487] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.744014][ T487] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.744307][ T487] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.744600][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.744911][ T487] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.745205][ T487] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.745500][ T487] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.745809][ T487] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.746103][ T487] ? 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) 
[ 41.746411][ T487] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.746706][ T487] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.747020][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.747323][ T487] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.747625][ T487] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.747927][ T487] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.748232][ T487] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.748525][ T487] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.748844][ T487] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.749227][ T487] ___sys_sendmsg (net/socket.c:2670) 
[ 41.749516][ T487] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.749816][ T487] ? __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) 
[ 41.750178][ T487] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.750485][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.750790][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.751085][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.751383][ T487] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.751674][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.751979][ T487] __sys_sendmsg (net/socket.c:2700) 
[ 41.752264][ T487] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.752623][ T487] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.752931][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.753223][ T487] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.753515][ T487] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.753889][  T487] RIP: 0033:0x7f2ef98441e7
[ 41.754193][ T487] 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)
[   41.755234][  T487] RSP: 002b:00007ffd30029248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.755678][  T487] RAX: ffffffffffffffda RBX: 00007ffd30029970 RCX: 00007f2ef98441e7
[   41.756119][  T487] RDX: 0000000000000000 RSI: 00007ffd300292b0 RDI: 0000000000000005
[   41.756558][  T487] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.757253][  T487] R10: 00007f2ef9741ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.757888][  T487] R13: 00000000686e3e14 R14: 0000000000499600 R15: 0000000000000000
| [   41.888641][  T488] ------------[ cut here ]------------
| [ 41.889008][ T488] WARNING: CPU: 1 PID: 488 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) 
| [   41.889608][  T488] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.891056][  T488] Tainted: [W]=WARN
[   41.891282][  T488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.891656][ T488] 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) 
[ 41.892139][ T488] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.893355][  T488] RSP: 0018:ffffc90000a17140 EFLAGS: 00010246
[   41.893728][  T488] RAX: 0000000000000000 RBX: ffff88800b54c000 RCX: 0000000000000001
[   41.894379][  T488] RDX: 0000000000000000 RSI: ffffffff88c9b941 RDI: ffffffff884555e0
[   41.894898][  T488] RBP: ffffc90000a17230 R08: ffff8880093b0800 R09: 0000000000000000
[   41.895342][  T488] R10: ffffc90000a175c8 R11: ffffffff89a50668 R12: 1ffff92000142e2c
[   41.895804][  T488] R13: 00000000000007d0 R14: ffffc90000a17880 R15: ffff88800bf7f860
[   41.896264][  T488] FS:  00007f37d7b35800(0000) GS:ffff8880ab537000(0000) knlGS:0000000000000000
[   41.896785][  T488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.897154][  T488] CR2: 00000000004e59c0 CR3: 00000000097b0004 CR4: 0000000000772ef0
[   41.897594][  T488] PKRU: 55555554
[   41.897836][  T488] Call Trace:
[   41.898094][  T488]  <TASK>
[ 41.898249][ T488] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.898550][ T488] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.898854][ T488] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.899152][ T488] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.899449][ T488] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.899776][ T488] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.900084][ T488] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.900416][ T488] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.900796][ T488] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.901092][ T488] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.901385][ T488] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.901683][ T488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.902010][ T488] ? __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) 
[ 41.902342][ T488] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.902712][ T488] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.903032][ T488] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.903332][ T488] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.903626][ T488] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.903934][ T488] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.904243][ T488] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.904534][ T488] ? __create_object (mm/kmemleak.c:771) 
[ 41.904854][ T488] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.905147][ T488] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.905442][ T488] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.905834][ T488] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.906168][ T488] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.906468][ T488] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.906778][ T488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.907082][ T488] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.907390][ T488] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.907682][ T488] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.907997][ T488] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.908305][ T488] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.908602][ T488] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.908914][ T488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.909215][ T488] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.909515][ T488] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.909835][ T488] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.910167][ T488] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.910475][ T488] ? 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) 
[ 41.910783][ T488] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.911083][ T488] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.911376][ T488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.911687][ T488] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.912004][ T488] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.912308][ T488] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.912610][ T488] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.912920][ T488] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.913218][ T488] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.913593][ T488] ___sys_sendmsg (net/socket.c:2670) 
[ 41.913912][ T488] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.914237][ T488] ? __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) 
[ 41.914604][ T488] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.914914][ T488] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.915208][ T488] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.915505][ T488] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.915823][ T488] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.916134][ T488] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.916434][ T488] __sys_sendmsg (net/socket.c:2700) 
[ 41.916727][ T488] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.917103][ T488] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.917410][ T488] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.917704][ T488] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.918022][ T488] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.918412][  T488] RIP: 0033:0x7f37d7d021e7
[ 41.918721][ T488] 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)
[   41.919784][  T488] RSP: 002b:00007ffc00061898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.920242][  T488] RAX: ffffffffffffffda RBX: 00007ffc00061fc0 RCX: 00007f37d7d021e7
[   41.920707][  T488] RDX: 0000000000000000 RSI: 00007ffc00061900 RDI: 0000000000000005
[   41.921158][  T488] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.921598][  T488] R10: 00007f37d7bffee8 R11: 0000000000000246 R12: 0000000000000004


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