======================================
| [   37.660432][  T446] GACT probability NOT on
| [   43.685664][  T503] ------------[ cut here ]------------
| [ 43.686097][ T503] WARNING: CPU: 0 PID: 503 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.686675][  T503] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
[   43.687799][  T503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.688144][ T503] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 43.688442][ T503] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.689466][  T503] RSP: 0018:ffffc900006d7140 EFLAGS: 00010246
[   43.689817][  T503] RAX: 0000000000000000 RBX: ffff888006091000 RCX: 0000000000000001
[   43.690241][  T503] RDX: 0000000000000000 RSI: ffffffff9069b939 RDI: ffffffff8fe555e0
[   43.690655][  T503] RBP: ffffc900006d7230 R08: ffff88800b75a000 R09: 0000000000000000
[   43.691075][  T503] R10: ffffc900006d75c8 R11: ffffffff91450668 R12: 1ffff920000dae2c
[   43.691491][  T503] R13: 00000000000007d0 R14: ffffc900006d7880 R15: ffff88800ee811e0
[   43.692113][  T503] FS:  00007f7ead61d800(0000) GS:ffff8880a3ab7000(0000) knlGS:0000000000000000
[   43.692614][  T503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.692969][  T503] CR2: 00000000004e5aa0 CR3: 000000000ed5d002 CR4: 0000000000772ef0
[   43.693394][  T503] PKRU: 55555554
[   43.693602][  T503] Call Trace:
[   43.693811][  T503]  <TASK>
[ 43.693952][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.694270][ T503] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.694543][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.694823][ T503] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.695100][ T503] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.695384][ T503] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.695662][ T503] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.695947][ T503] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.696306][ T503] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.696585][ T503] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.696861][ T503] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.697134][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.697420][ T503] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 43.697696][ T503] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.698034][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.698319][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.698593][ T503] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.698871][ T503] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.699146][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.699429][ T503] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.699722][ T503] ? __create_object (mm/kmemleak.c:771) 
[ 43.700004][ T503] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.700294][ T503] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.700572][ T503] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.700937][ T503] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.701240][ T503] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.701542][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.701817][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.702104][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.702418][ T503] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.702690][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.702992][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.703278][ T503] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.703579][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.703856][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.704174][ T503] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.704475][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.704781][ T503] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.705068][ T503] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.705351][ T503] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 43.705638][ T503] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.705920][ T503] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.706237][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.706520][ T503] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.706813][ T503] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.707098][ T503] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.707391][ T503] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.707685][ T503] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.707961][ T503] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.708327][ T503] ___sys_sendmsg (net/socket.c:2670) 
[ 43.708613][ T503] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.708889][ T503] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 43.709238][ T503] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.709515][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.709799][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.710077][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.710366][ T503] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.710640][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.710920][ T503] __sys_sendmsg (net/socket.c:2700) 
[ 43.711202][ T503] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.711542][ T503] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.711835][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.712112][ T503] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.712397][ T503] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.712740][  T503] RIP: 0033:0x7f7ead7ea1e7
[ 43.713097][ T503] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   43.714202][  T503] RSP: 002b:00007ffeee15ad08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.714648][  T503] RAX: ffffffffffffffda RBX: 00007ffeee15b430 RCX: 00007f7ead7ea1e7
[   43.715088][  T503] RDX: 0000000000000000 RSI: 00007ffeee15ad70 RDI: 0000000000000005
[   43.715538][  T503] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.715986][  T503] R10: 00007f7ead6e7ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.716432][  T503] R13: 00000000686e6809 R14: 0000000000499600 R15: 0000000000000000
| [   43.830377][  T504] ------------[ cut here ]------------
| [ 43.830716][ T504] WARNING: CPU: 0 PID: 504 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.831438][  T504] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.832698][  T504] Tainted: [W]=WARN
[   43.832927][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.833298][ T504] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 43.833601][ T504] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.834661][  T504] RSP: 0018:ffffc900006f7140 EFLAGS: 00010246
[   43.835030][  T504] RAX: 0000000000000000 RBX: ffff888005e41000 RCX: 0000000000000001
[   43.835478][  T504] RDX: 0000000000000000 RSI: ffffffff9069b939 RDI: ffffffff8fe555e0
[   43.835921][  T504] RBP: ffffc900006f7230 R08: ffff88800a7b3800 R09: 0000000000000000
[   43.836365][  T504] R10: ffffc900006f75c8 R11: ffffffff91450668 R12: 1ffff920000dee2c
[   43.836805][  T504] R13: 00000000000007d0 R14: ffffc900006f7880 R15: ffff88800ee81c60
[   43.837249][  T504] FS:  00007fb7a2e20800(0000) GS:ffff8880a3ab7000(0000) knlGS:0000000000000000
[   43.837765][  T504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.838129][  T504] CR2: 00000000004e5aa8 CR3: 000000000a7d3003 CR4: 0000000000772ef0
[   43.838576][  T504] PKRU: 55555554
[   43.838795][  T504] Call Trace:
[   43.839014][  T504]  <TASK>
[ 43.839162][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.839468][ T504] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.839763][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.840071][ T504] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.840372][ T504] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.840678][ T504] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.840974][ T504] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.841284][ T504] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.841654][ T504] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.841949][ T504] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.842255][ T504] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.842551][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.842846][ T504] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 43.843137][ T504] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.843505][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.843799][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.844106][ T504] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.844404][ T504] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.844697][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.844987][ T504] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.845283][ T504] ? __create_object (mm/kmemleak.c:771) 
[ 43.845577][ T504] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.845872][ T504] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.846165][ T504] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.846539][ T504] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.846841][ T504] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.847140][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.847438][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.847736][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.848026][ T504] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.848321][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.848620][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.848910][ T504] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.849212][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.849507][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.849805][ T504] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.850096][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.850397][ T504] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.850704][ T504] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.851002][ T504] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 43.851301][ T504] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.851596][ T504] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.851889][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.852195][ T504] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.852490][ T504] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.852783][ T504] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.853086][ T504] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.853386][ T504] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.853678][ T504] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.854061][ T504] ___sys_sendmsg (net/socket.c:2670) 
[ 43.854360][ T504] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.854654][ T504] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 43.855015][ T504] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.855333][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.855625][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.855918][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.856213][ T504] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.856501][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.856796][ T504] __sys_sendmsg (net/socket.c:2700) 
[ 43.857084][ T504] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.857462][ T504] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.857766][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.858056][ T504] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.858352][ T504] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.858714][  T504] RIP: 0033:0x7fb7a2fed1e7
[ 43.859018][ T504] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   43.860077][  T504] RSP: 002b:00007ffc20375858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.860524][  T504] RAX: ffffffffffffffda RBX: 00007ffc20375f80 RCX: 00007fb7a2fed1e7
[   43.860956][  T504] RDX: 0000000000000000 RSI: 00007ffc203758c0 RDI: 0000000000000005
[   43.861406][  T504] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.861840][  T504] R10: 00007fb7a2eeaee8 R11: 0000000000000246 R12: 0000000000000004
[   43.862283][  T504] R13: 00000000686e6809 R14: 0000000000499600 R15: 0000000000000000
| [   43.999533][  T505] ------------[ cut here ]------------
| [ 43.999842][ T505] WARNING: CPU: 3 PID: 505 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   44.000772][  T505] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.001920][  T505] Tainted: [W]=WARN
[   44.002130][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.002495][ T505] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 44.002778][ T505] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.003782][  T505] RSP: 0018:ffffc90000707140 EFLAGS: 00010246
[   44.004147][  T505] RAX: 0000000000000000 RBX: ffff88800c1f4000 RCX: 0000000000000001
[   44.004599][  T505] RDX: 0000000000000000 RSI: ffffffff9069b939 RDI: ffffffff8fe555e0
[   44.005013][  T505] RBP: ffffc90000707230 R08: ffff888009f48800 R09: 0000000000000000
[   44.005431][  T505] R10: ffffc900007075c8 R11: ffffffff91450668 R12: 1ffff920000e0e2c
[   44.005842][  T505] R13: 00000000000007d0 R14: ffffc90000707880 R15: ffff88800ee826e0
[   44.006262][  T505] FS:  00007f812e2dc800(0000) GS:ffff8880a3c37000(0000) knlGS:0000000000000000
[   44.006740][  T505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.007085][  T505] CR2: 00000000004e73c8 CR3: 0000000009a80004 CR4: 0000000000772ef0
[   44.007507][  T505] PKRU: 55555554
[   44.007713][  T505] Call Trace:
[   44.007924][  T505]  <TASK>
[ 44.008063][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.008353][ T505] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.008627][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.008906][ T505] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.009189][ T505] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.009465][ T505] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.009746][ T505] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.010034][ T505] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.010401][ T505] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.010677][ T505] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.010958][ T505] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.011251][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.011531][ T505] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 44.011817][ T505] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.012163][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.012453][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.012733][ T505] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.013006][ T505] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.013289][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.013566][ T505] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.013834][ T505] ? __create_object (mm/kmemleak.c:771) 
[ 44.014126][ T505] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.014410][ T505] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.014683][ T505] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.015023][ T505] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.015311][ T505] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.015592][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.015866][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.016146][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.016454][ T505] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.016729][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.017004][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.017297][ T505] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.017583][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.017859][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.018138][ T505] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.018430][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.018718][ T505] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.019002][ T505] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.019296][ T505] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 44.019572][ T505] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.019850][ T505] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.020121][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.020414][ T505] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.020702][ T505] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.020983][ T505] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.021285][ T505] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.021565][ T505] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.021844][ T505] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.022209][ T505] ___sys_sendmsg (net/socket.c:2670) 
[ 44.022498][ T505] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.022771][ T505] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.023112][ T505] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.023401][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.023679][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.023957][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.024253][ T505] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.024534][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.024816][ T505] __sys_sendmsg (net/socket.c:2700) 
[ 44.025088][ T505] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.025456][ T505] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.025745][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.026024][ T505] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.026311][ T505] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.026652][  T505] RIP: 0033:0x7f812e4a91e7
[ 44.026944][ T505] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   44.027944][  T505] RSP: 002b:00007ffdec06d5f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.028368][  T505] RAX: ffffffffffffffda RBX: 00007ffdec06dd20 RCX: 00007f812e4a91e7
[   44.028796][  T505] RDX: 0000000000000000 RSI: 00007ffdec06d660 RDI: 0000000000000005
[   44.029243][  T505] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.029656][  T505] R10: 00007f812e3a6ee8 R11: 0000000000000246 R12: 0000000000000004
[   44.030069][  T505] R13: 00000000686e6809 R14: 0000000000499600 R15: 0000000000000000
| [   44.147431][  T506] ------------[ cut here ]------------
| [ 44.148002][ T506] WARNING: CPU: 0 PID: 506 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   44.150268][  T506] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.152688][  T506] Tainted: [W]=WARN
[   44.153041][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.153744][ T506] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 44.154276][ T506] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.155980][  T506] RSP: 0018:ffffc90000717140 EFLAGS: 00010246
[   44.156562][  T506] RAX: 0000000000000000 RBX: ffff88800bc94000 RCX: 0000000000000001
[   44.157270][  T506] RDX: 0000000000000000 RSI: ffffffff9069b939 RDI: ffffffff8fe555e0
[   44.157966][  T506] RBP: ffffc90000717230 R08: ffff88800c180800 R09: 0000000000000000
[   44.158665][  T506] R10: ffffc900007175c8 R11: ffffffff91450668 R12: 1ffff920000e2e2c
[   44.159371][  T506] R13: 00000000000007d0 R14: ffffc90000717880 R15: ffff88800ee83160
[   44.160051][  T506] FS:  00007fbbfcf80800(0000) GS:ffff8880a3ab7000(0000) knlGS:0000000000000000
[   44.160859][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.161452][  T506] CR2: 00000000004e5ab0 CR3: 000000000a7d3005 CR4: 0000000000772ef0
[   44.162135][  T506] PKRU: 55555554
[   44.162495][  T506] Call Trace:
[   44.162832][  T506]  <TASK>
[ 44.163069][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.163567][ T506] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.164046][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.164515][ T506] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.164967][ T506] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.165422][ T506] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.165909][ T506] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.166416][ T506] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.167043][ T506] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.167552][ T506] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.168005][ T506] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.168502][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.168972][ T506] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 44.169389][ T506] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.169973][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.170477][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.170947][ T506] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.171451][ T506] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.171911][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.172403][ T506] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.172879][ T506] ? __create_object (mm/kmemleak.c:771) 
[ 44.173375][ T506] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.173862][ T506] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.174414][ T506] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.175011][ T506] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.175540][ T506] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.176018][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.176515][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.177009][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.177493][ T506] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.177963][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.178475][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.178944][ T506] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.179466][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.179941][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.180447][ T506] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.180927][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.181422][ T506] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.181945][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.182427][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 44.182897][ T506] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.183430][ T506] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.183896][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.184424][ T506] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.184909][ T506] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.185427][ T506] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.185913][ T506] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.186420][ T506] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.186897][ T506] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.187557][ T506] ___sys_sendmsg (net/socket.c:2670) 
[ 44.188025][ T506] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.188511][ T506] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.189120][ T506] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.189634][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.190138][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.190657][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.191139][ T506] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.191649][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.192148][ T506] __sys_sendmsg (net/socket.c:2700) 
[ 44.192662][ T506] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.193293][ T506] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.193804][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.194312][ T506] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.194784][ T506] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.195418][  T506] RIP: 0033:0x7fbbfd14d1e7
[ 44.195893][ T506] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   44.197578][  T506] RSP: 002b:00007ffc42e1a238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.198328][  T506] RAX: ffffffffffffffda RBX: 00007ffc42e1a960 RCX: 00007fbbfd14d1e7
[   44.199048][  T506] RDX: 0000000000000000 RSI: 00007ffc42e1a2a0 RDI: 0000000000000005
[   44.199800][  T506] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.200531][  T506] R10: 00007fbbfd04aee8 R11: 0000000000000246 R12: 0000000000000004
[   44.201252][  T506] R13: 00000000686e6809 R14: 0000000000499600 R15: 0000000000000000
| [   44.348100][  T507] ------------[ cut here ]------------
| [ 44.348423][ T507] WARNING: CPU: 0 PID: 507 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   44.348994][  T507] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.350285][  T507] Tainted: [W]=WARN
[   44.350507][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.350877][ T507] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 44.351243][ T507] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.352473][  T507] RSP: 0018:ffffc90000727140 EFLAGS: 00010246
[   44.352913][  T507] RAX: 0000000000000000 RBX: ffff888004e4c000 RCX: 0000000000000001
[   44.353342][  T507] RDX: 0000000000000000 RSI: ffffffff9069b939 RDI: ffffffff8fe555e0
[   44.353866][  T507] RBP: ffffc90000727230 R08: ffff88800a162000 R09: 0000000000000000
[   44.354323][  T507] R10: ffffc900007275c8 R11: ffffffff91450668 R12: 1ffff920000e4e2c
[   44.354929][  T507] R13: 00000000000007d0 R14: ffffc90000727880 R15: ffff888009f9b860
[   44.355642][  T507] FS:  00007fd29dee5800(0000) GS:ffff8880a3ab7000(0000) knlGS:0000000000000000
[   44.356359][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.356790][  T507] CR2: 00000000004e55b8 CR3: 000000000ec8a001 CR4: 0000000000772ef0
[   44.357527][  T507] PKRU: 55555554
[   44.357761][  T507] Call Trace:
[   44.358062][  T507]  <TASK>
[ 44.358369][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.358759][ T507] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.359039][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.359354][ T507] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.359654][ T507] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.359979][ T507] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.360369][ T507] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.360681][ T507] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.361128][ T507] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.361422][ T507] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.361816][ T507] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.362236][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.362554][ T507] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 44.363006][ T507] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.363553][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.364033][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.364354][ T507] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.364732][ T507] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.365034][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.365411][ T507] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.365722][ T507] ? __create_object (mm/kmemleak.c:771) 
[ 44.366018][ T507] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.366395][ T507] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.366694][ T507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.367033][ T507] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.367419][ T507] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.367820][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.368099][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.368477][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.368773][ T507] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.369055][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.369348][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.369670][ T507] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.370020][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.370416][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.370879][ T507] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.371173][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.371465][ T507] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.371766][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.372039][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 44.372430][ T507] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.372757][ T507] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.373112][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.373451][ T507] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.373801][ T507] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.374146][ T507] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.374465][ T507] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.374851][ T507] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.375126][ T507] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.375566][ T507] ___sys_sendmsg (net/socket.c:2670) 
[ 44.375860][ T507] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.376211][ T507] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.376651][ T507] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.376939][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.377332][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.377674][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.378013][ T507] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.378391][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.378837][ T507] __sys_sendmsg (net/socket.c:2700) 
[ 44.379226][ T507] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.379587][ T507] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.379957][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.380341][ T507] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.380779][ T507] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.381129][  T507] RIP: 0033:0x7fd29e0b21e7
[ 44.381425][ T507] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   44.382461][  T507] RSP: 002b:00007ffeec263008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.382907][  T507] RAX: ffffffffffffffda RBX: 00007ffeec263730 RCX: 00007fd29e0b21e7
[   44.383332][  T507] RDX: 0000000000000000 RSI: 00007ffeec263070 RDI: 0000000000000005
[   44.383777][  T507] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.384227][  T507] R10: 00007fd29dfafee8 R11: 0000000000000246 R12: 0000000000000004
[   44.384655][  T507] R13: 00000000686e6809 R14: 0000000000499600 R15: 0000000000000000
| [   44.512645][  T508] ------------[ cut here ]------------
| [ 44.513071][ T508] WARNING: CPU: 3 PID: 508 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   44.513722][  T508] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.515746][  T508] Tainted: [W]=WARN
[   44.516110][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.517664][ T508] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 44.518109][ T508] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.519241][  T508] RSP: 0018:ffffc90000727140 EFLAGS: 00010246
[   44.519596][  T508] RAX: 0000000000000000 RBX: ffff8880060e9000 RCX: 0000000000000001
[   44.520090][  T508] RDX: 0000000000000000 RSI: ffffffff9069b939 RDI: ffffffff8fe555e0
[   44.520578][  T508] RBP: ffffc90000727230 R08: ffff888004e6a000 R09: 0000000000000000
[   44.521034][  T508] R10: ffffc900007275c8 R11: ffffffff91450668 R12: 1ffff920000e4e2c
[   44.521461][  T508] R13: 00000000000007d0 R14: ffffc90000727880 R15: ffff888009f9ade0
[   44.521888][  T508] FS:  00007fd93db8e800(0000) GS:ffff8880a3c37000(0000) knlGS:0000000000000000
[   44.522488][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.522967][  T508] CR2: 00000000004e5ac8 CR3: 000000000979d003 CR4: 0000000000772ef0
[   44.523481][  T508] PKRU: 55555554
[   44.523727][  T508] Call Trace:
[   44.523971][  T508]  <TASK>
[ 44.524144][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.524487][ T508] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.524805][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.525126][ T508] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.525451][ T508] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.525777][ T508] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.526098][ T508] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.526431][ T508] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.526833][ T508] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.527149][ T508] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.527474][ T508] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.527802][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.528120][ T508] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 44.528450][ T508] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.528841][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.529157][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.529497][ T508] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.529815][ T508] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.530130][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.530461][ T508] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.530775][ T508] ? __create_object (mm/kmemleak.c:771) 
[ 44.531092][ T508] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.531417][ T508] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.531732][ T508] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.532123][ T508] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.532453][ T508] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.532784][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.533098][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.533431][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.533747][ T508] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.534071][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.534400][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.534715][ T508] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.535032][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.535369][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.535692][ T508] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.536008][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.536335][ T508] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.536663][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.536977][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 44.537303][ T508] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.537628][ T508] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.537940][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.538270][ T508] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.538590][ T508] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.538903][ T508] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.539231][ T508] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.539560][ T508] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.539876][ T508] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.540288][ T508] ___sys_sendmsg (net/socket.c:2670) 
[ 44.540604][ T508] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.540917][ T508] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.541319][ T508] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.541640][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.541957][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.542294][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.542610][ T508] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.542925][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.543256][ T508] __sys_sendmsg (net/socket.c:2700) 
[ 44.543570][ T508] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.543960][ T508] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.544314][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.544635][ T508] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.544961][ T508] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.545361][  T508] RIP: 0033:0x7fd93dd5b1e7
[ 44.545690][ T508] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   44.546820][  T508] RSP: 002b:00007ffc7bf82fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.547315][  T508] RAX: ffffffffffffffda RBX: 00007ffc7bf83710 RCX: 00007fd93dd5b1e7
[   44.547787][  T508] RDX: 0000000000000000 RSI: 00007ffc7bf83050 RDI: 0000000000000005
[   44.548268][  T508] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.548739][  T508] R10: 00007fd93dc58ee8 R11: 0000000000000246 R12: 0000000000000004
[   44.549222][  T508] R13: 00000000686e680a R14: 0000000000499600 R15: 0000000000000000
| [   44.663074][  T509] ------------[ cut here ]------------
| [ 44.663450][ T509] WARNING: CPU: 2 PID: 509 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   44.664060][  T509] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.665319][  T509] Tainted: [W]=WARN
[   44.665545][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.665900][ T509] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 44.666211][ T509] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.667218][  T509] RSP: 0018:ffffc90000737140 EFLAGS: 00010246
[   44.667582][  T509] RAX: 0000000000000000 RBX: ffff8880060ec000 RCX: 0000000000000001
[   44.668006][  T509] RDX: 0000000000000000 RSI: ffffffff9069b939 RDI: ffffffff8fe555e0
[   44.668592][  T509] RBP: ffffc90000737230 R08: ffff888004feb800 R09: 0000000000000000
[   44.669194][  T509] R10: ffffc900007375c8 R11: ffffffff91450668 R12: 1ffff920000e6e2c
[   44.669621][  T509] R13: 00000000000007d0 R14: ffffc90000737880 R15: ffff888009f9a360
[   44.670046][  T509] FS:  00007f7a9952a800(0000) GS:ffff8880a3bb7000(0000) knlGS:0000000000000000
[   44.670576][  T509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.670946][  T509] CR2: 00000000004e5ac0 CR3: 000000000ec8a006 CR4: 0000000000772ef0
[   44.671383][  T509] PKRU: 55555554
[   44.671601][  T509] Call Trace:
[   44.671841][  T509]  <TASK>
[ 44.671996][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.672330][ T509] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.672623][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.672930][ T509] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.673257][ T509] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.673547][ T509] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.673841][ T509] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.674148][ T509] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.674525][ T509] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.674815][ T509] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.675111][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.675413][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.675709][ T509] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 44.675996][ T509] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.676369][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.676682][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.676972][ T509] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.677279][ T509] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.677575][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.677860][ T509] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.678146][ T509] ? __create_object (mm/kmemleak.c:771) 
[ 44.678445][ T509] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.678735][ T509] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.679022][ T509] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.679403][ T509] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.679718][ T509] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.680022][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.680329][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.680626][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.680916][ T509] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.681212][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.681502][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.681789][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.682085][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.682387][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.682681][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.682966][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.683264][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.683563][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.683850][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 44.684161][ T509] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.684474][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.684764][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.685060][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.685360][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.685651][ T509] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.685945][ T509] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.686255][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.686546][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.686915][ T509] ___sys_sendmsg (net/socket.c:2670) 
[ 44.687210][ T509] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.687503][ T509] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.687858][ T509] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.688152][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.688471][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.688769][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.689057][ T509] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.689356][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.689650][ T509] __sys_sendmsg (net/socket.c:2700) 
[ 44.689960][ T509] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.690326][ T509] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.690637][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.690927][ T509] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.691227][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.691581][  T509] RIP: 0033:0x7f7a996f71e7
[ 44.691881][ T509] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   44.692901][  T509] RSP: 002b:00007ffeaa88c248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.693342][  T509] RAX: ffffffffffffffda RBX: 00007ffeaa88c970 RCX: 00007f7a996f71e7
[   44.693765][  T509] RDX: 0000000000000000 RSI: 00007ffeaa88c2b0 RDI: 0000000000000005
[   44.694217][  T509] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.694646][  T509] R10: 00007f7a995f4ee8 R11: 0000000000000246 R12: 0000000000000004
[   44.695069][  T509] R13: 00000000686e680a R14: 0000000000499600 R15: 0000000000000000
| [   44.811949][  T510] ------------[ cut here ]------------
| [ 44.813231][ T510] WARNING: CPU: 2 PID: 510 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   44.813838][  T510] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.815075][  T510] Tainted: [W]=WARN
[   44.815316][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.815674][ T510] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 44.815994][ T510] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.817280][  T510] RSP: 0018:ffffc90000617140 EFLAGS: 00010246
[   44.817854][  T510] RAX: 0000000000000000 RBX: ffff888009ed1000 RCX: 0000000000000001
[   44.818301][  T510] RDX: 0000000000000000 RSI: ffffffff9069b939 RDI: ffffffff8fe555e0
[   44.818753][  T510] RBP: ffffc90000617230 R08: ffff88800bed2000 R09: 0000000000000000
[   44.819254][  T510] R10: ffffc900006175c8 R11: ffffffff91450668 R12: 1ffff920000c2e2c
[   44.819683][  T510] R13: 00000000000007d0 R14: ffffc90000617880 R15: ffff888009f998e0
[   44.820130][  T510] FS:  00007fe1dc7b1800(0000) GS:ffff8880a3bb7000(0000) knlGS:0000000000000000
[   44.820651][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.821034][  T510] CR2: 00000000004e73f0 CR3: 0000000009a80001 CR4: 0000000000772ef0
[   44.821480][  T510] PKRU: 55555554
[   44.821719][  T510] Call Trace:
[   44.821941][  T510]  <TASK>
[ 44.822096][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.822398][ T510] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.822705][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.823019][ T510] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.823324][ T510] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.823614][ T510] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.824095][ T510] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.824405][ T510] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.824786][ T510] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.825083][ T510] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.825394][ T510] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.825697][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.825993][ T510] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 44.826293][ T510] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.826649][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.826955][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.827261][ T510] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.827561][ T510] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.827862][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.828150][ T510] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.828446][ T510] ? __create_object (mm/kmemleak.c:771) 
[ 44.828758][ T510] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.829059][ T510] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.829363][ T510] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.829737][ T510] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.830049][ T510] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.830365][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.830667][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.830976][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.831276][ T510] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.831571][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.831989][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.832305][ T510] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.832597][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.832902][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.833207][ T510] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.833494][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.833796][ T510] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.834120][ T510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.834425][ T510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 44.834728][ T510] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.835029][ T510] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.835330][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.835629][ T510] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.835936][ T510] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.836235][ T510] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.836535][ T510] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.836828][ T510] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.837126][ T510] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.837512][ T510] ___sys_sendmsg (net/socket.c:2670) 
[ 44.837807][ T510] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.838094][ T510] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.838461][ T510] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.838771][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.839075][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.839376][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.839672][ T510] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.839988][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.840297][ T510] __sys_sendmsg (net/socket.c:2700) 
[ 44.840600][ T510] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.840962][ T510] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.841270][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.841561][ T510] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.841861][ T510] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.842223][  T510] RIP: 0033:0x7fe1dc97e1e7
[ 44.842531][ T510] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   44.843555][  T510] RSP: 002b:00007ffd4644bd48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.843985][  T510] RAX: ffffffffffffffda RBX: 00007ffd4644c470 RCX: 00007fe1dc97e1e7
[   44.844447][  T510] RDX: 0000000000000000 RSI: 00007ffd4644bdb0 RDI: 0000000000000005
[   44.844879][  T510] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.845328][  T510] R10: 00007fe1dc87bee8 R11: 0000000000000246 R12: 0000000000000004
[   44.845753][  T510] R13: 00000000686e680a R14: 0000000000499600 R15: 0000000000000000
| [   45.012345][  T511] ------------[ cut here ]------------
| [ 45.012665][ T511] WARNING: CPU: 0 PID: 511 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   45.013251][  T511] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   45.014890][  T511] Tainted: [W]=WARN
[   45.015117][  T511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.015473][ T511] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 45.015768][ T511] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   45.016777][  T511] RSP: 0018:ffffc90000737140 EFLAGS: 00010246
[   45.017166][  T511] RAX: 0000000000000000 RBX: ffff88800bda1000 RCX: 0000000000000001
[   45.017601][  T511] RDX: 0000000000000000 RSI: ffffffff9069b939 RDI: ffffffff8fe555e0
[   45.018013][  T511] RBP: ffffc90000737230 R08: ffff88800bc65000 R09: 0000000000000000
[   45.018433][  T511] R10: ffffc900007375c8 R11: ffffffff91450668 R12: 1ffff920000e6e2c
[   45.018856][  T511] R13: 00000000000007d0 R14: ffffc90000737880 R15: ffff888009f98e60
[   45.019298][  T511] FS:  00007f9275420800(0000) GS:ffff8880a3ab7000(0000) knlGS:0000000000000000
[   45.019787][  T511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.020153][  T511] CR2: 00000000004e5ab8 CR3: 000000000960e001 CR4: 0000000000772ef0
[   45.020609][  T511] PKRU: 55555554
[   45.020866][  T511] Call Trace:
[   45.021073][  T511]  <TASK>
[ 45.021235][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.021518][ T511] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.021809][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.022094][ T511] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 45.022387][ T511] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 45.022664][ T511] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 45.022960][ T511] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 45.023274][ T511] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.023623][ T511] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.023897][ T511] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.024201][ T511] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.024491][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.024778][ T511] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 45.025054][ T511] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.025419][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.025699][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.025977][ T511] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.026259][ T511] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.026536][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.026813][ T511] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.027092][ T511] ? __create_object (mm/kmemleak.c:771) 
[ 45.027376][ T511] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.027655][ T511] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.027932][ T511] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.028299][ T511] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.028592][ T511] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.028873][ T511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.029153][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.029473][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.029753][ T511] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.030035][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.030327][ T511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.030612][ T511] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.030890][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.031168][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.031467][ T511] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.031761][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.032044][ T511] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.032344][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.032643][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 45.032925][ T511] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.033228][ T511] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.033509][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.033807][ T511] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.034095][ T511] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.034386][ T511] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.034669][ T511] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.034946][ T511] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.035228][ T511] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.035607][ T511] ___sys_sendmsg (net/socket.c:2670) 
[ 45.035879][ T511] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.036172][ T511] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 45.036530][ T511] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.036821][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.037108][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.037416][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.037719][ T511] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.037991][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.038312][ T511] __sys_sendmsg (net/socket.c:2700) 
[ 45.038588][ T511] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.038948][ T511] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.039250][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.039527][ T511] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.039819][ T511] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.040166][  T511] RIP: 0033:0x7f92755ed1e7
[ 45.040463][ T511] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   45.041487][  T511] RSP: 002b:00007ffe163280b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.041923][  T511] RAX: ffffffffffffffda RBX: 00007ffe163287e0 RCX: 00007f92755ed1e7
[   45.042359][  T511] RDX: 0000000000000000 RSI: 00007ffe16328120 RDI: 0000000000000005
[   45.042772][  T511] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   45.043194][  T511] R10: 00007f92754eaee8 R11: 0000000000000246 R12: 0000000000000004
[   45.043623][  T511] R13: 00000000686e680a R14: 0000000000499600 R15: 0000000000000000
| [   45.149985][  T512] ------------[ cut here ]------------
| [ 45.150365][ T512] WARNING: CPU: 3 PID: 512 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   45.150909][  T512] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   45.152054][  T512] Tainted: [W]=WARN
[   45.152286][  T512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.152631][ T512] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 45.152914][ T512] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   45.153909][  T512] RSP: 0018:ffffc90000617140 EFLAGS: 00010246
[   45.154276][  T512] RAX: 0000000000000000 RBX: ffff88800771c000 RCX: 0000000000000001
[   45.154689][  T512] RDX: 0000000000000000 RSI: ffffffff9069b939 RDI: ffffffff8fe555e0
[   45.155098][  T512] RBP: ffffc90000617230 R08: ffff888004eae800 R09: 0000000000000000
[   45.155531][  T512] R10: ffffc900006175c8 R11: ffffffff91450668 R12: 1ffff920000c2e2c
[   45.155947][  T512] R13: 00000000000007d0 R14: ffffc90000617880 R15: ffff888009f983e0
[   45.156368][  T512] FS:  00007fd91b154800(0000) GS:ffff8880a3c37000(0000) knlGS:0000000000000000
[   45.156850][  T512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.157205][  T512] CR2: 00000000004e59c0 CR3: 0000000009a80005 CR4: 0000000000772ef0
[   45.157628][  T512] PKRU: 55555554
[   45.157833][  T512] Call Trace:
[   45.158040][  T512]  <TASK>
[ 45.158190][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.158471][ T512] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.158748][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.159029][ T512] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 45.159326][ T512] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 45.159608][ T512] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 45.159886][ T512] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 45.160167][ T512] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.160523][ T512] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.160799][ T512] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.161072][ T512] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.161366][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.161655][ T512] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 45.161933][ T512] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.162285][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.162565][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.162842][ T512] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.163119][ T512] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.163413][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.163689][ T512] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.163961][ T512] ? __create_object (mm/kmemleak.c:771) 
[ 45.164262][ T512] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.164539][ T512] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.164818][ T512] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.165161][ T512] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.165453][ T512] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.165742][ T512] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.166016][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.166316][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.166593][ T512] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.166868][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.167146][ T512] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.167429][ T512] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.167707][ T512] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.167993][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.168280][ T512] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.168558][ T512] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.168834][ T512] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.169122][ T512] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.169403][ T512] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 45.169687][ T512] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.169975][ T512] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.170257][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.170542][ T512] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.170823][ T512] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.171100][ T512] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.171394][ T512] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.171673][ T512] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.171953][ T512] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.172312][ T512] ___sys_sendmsg (net/socket.c:2670) 
[ 45.172586][ T512] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.172863][ T512] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 45.173213][ T512] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.173492][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.173777][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.174075][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.174359][ T512] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.174636][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.174920][ T512] __sys_sendmsg (net/socket.c:2700) 
[ 45.175202][ T512] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.175540][ T512] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.175828][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.176111][ T512] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.176396][ T512] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.176738][  T512] RIP: 0033:0x7fd91b3211e7
[ 45.177025][ T512] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   45.178025][  T512] RSP: 002b:00007ffc6a1cef88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.178452][  T512] RAX: ffffffffffffffda RBX: 00007ffc6a1cf6b0 RCX: 00007fd91b3211e7
[   45.178866][  T512] RDX: 0000000000000000 RSI: 00007ffc6a1ceff0 RDI: 0000000000000005
[   45.179288][  T512] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   45.179703][  T512] R10: 00007fd91b21eee8 R11: 0000000000000246 R12: 0000000000000004


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