======================================
| [   36.442738][  T444] GACT probability NOT on
| [   42.672845][  T501] ------------[ cut here ]------------
| [ 42.673355][ T501] WARNING: CPU: 0 PID: 501 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.673940][  T501] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
[   42.675103][  T501] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.675476][ T501] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.675770][ T501] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.676764][  T501] RSP: 0018:ffffc9000094f140 EFLAGS: 00010246
[   42.677126][  T501] RAX: 0000000000000000 RBX: ffff888002784000 RCX: 0000000000000001
[   42.677561][  T501] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[   42.678313][  T501] RBP: ffffc9000094f230 R08: ffff888008c60800 R09: 0000000000000000
[   42.678747][  T501] R10: ffffc9000094f5c8 R11: ffffffff92a50668 R12: 1ffff92000129e2c
[   42.679202][  T501] R13: 00000000000007d0 R14: ffffc9000094f880 R15: ffff888016657160
[   42.679628][  T501] FS:  00007fda68585800(0000) GS:ffff8880a24b7000(0000) knlGS:0000000000000000
[   42.680117][  T501] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.680530][  T501] CR2: 00000000004e5aa0 CR3: 000000001596d002 CR4: 0000000000772ef0
[   42.680970][  T501] PKRU: 55555554
[   42.681201][  T501] Call Trace:
[   42.681422][  T501]  <TASK>
[ 42.681565][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.681878][ T501] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.682162][ T501] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.682464][ T501] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.682747][ T501] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.683042][ T501] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.683350][ T501] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.683640][ T501] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.683992][ T501] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.684282][ T501] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.684576][ T501] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.684868][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.685158][ T501] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.685462][ T501] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.685820][ T501] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.686103][ T501] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.686385][ T501] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.686671][ T501] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.686964][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.687253][ T501] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.687542][ T501] ? __create_object (mm/kmemleak.c:771) 
[ 42.687839][ T501] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.688122][ T501] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.688444][ T501] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.688788][ T501] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.689079][ T501] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.689371][ T501] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.689649][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.689958][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.690238][ T501] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.690518][ T501] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.690796][ T501] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.691085][ T501] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.691384][ T501] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.691670][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.691960][ T501] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.692254][ T501] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.692554][ T501] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.692846][ T501] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.693122][ T501] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.693408][ T501] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.693694][ T501] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.693983][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.694262][ T501] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.694567][ T501] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.694849][ T501] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.695168][ T501] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.695469][ T501] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.695746][ T501] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.696113][ T501] ___sys_sendmsg (net/socket.c:2670) 
[ 42.696400][ T501] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.696688][ T501] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.697040][ T501] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.697336][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.697617][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.697898][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.698175][ T501] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.698470][ T501] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.698754][ T501] __sys_sendmsg (net/socket.c:2700) 
[ 42.699032][ T501] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.699384][ T501] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.699672][ T501] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.699945][ T501] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.700224][ T501] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.700589][  T501] RIP: 0033:0x7fda687521e7
[ 42.700881][ T501] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.701873][  T501] RSP: 002b:00007ffe4495de78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.702315][  T501] RAX: ffffffffffffffda RBX: 00007ffe4495e5a0 RCX: 00007fda687521e7
[   42.702732][  T501] RDX: 0000000000000000 RSI: 00007ffe4495dee0 RDI: 0000000000000005
[   42.703158][  T501] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.703591][  T501] R10: 00007fda6864fee8 R11: 0000000000000246 R12: 0000000000000004
[   42.704006][  T501] R13: 00000000686e13f6 R14: 0000000000499600 R15: 0000000000000000
| [   42.812904][  T502] ------------[ cut here ]------------
| [ 42.813336][ T502] WARNING: CPU: 2 PID: 502 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.813907][  T502] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.815164][  T502] Tainted: [W]=WARN
[   42.815409][  T502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.815773][ T502] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.816081][ T502] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.818336][  T502] RSP: 0018:ffffc9000095f140 EFLAGS: 00010246
[   42.818768][  T502] RAX: 0000000000000000 RBX: ffff88800942c000 RCX: 0000000000000001
[   42.819209][  T502] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[   42.819649][  T502] RBP: ffffc9000095f230 R08: ffff88800a852000 R09: 0000000000000000
[   42.820093][  T502] R10: ffffc9000095f5c8 R11: ffffffff92a50668 R12: 1ffff9200012be2c
[   42.820536][  T502] R13: 00000000000007d0 R14: ffffc9000095f880 R15: ffff888016657860
[   42.820978][  T502] FS:  00007fb16da00800(0000) GS:ffff8880a25b7000(0000) knlGS:0000000000000000
[   42.821494][  T502] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.821852][  T502] CR2: 00000000004e5aa8 CR3: 0000000009226005 CR4: 0000000000772ef0
[   42.822310][  T502] PKRU: 55555554
[   42.822537][  T502] Call Trace:
[   42.822765][  T502]  <TASK>
[ 42.822923][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.823228][ T502] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.823527][ T502] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.823828][ T502] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.824133][ T502] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.824455][ T502] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.824756][ T502] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.825078][ T502] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.825460][ T502] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.825756][ T502] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.826047][ T502] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.826359][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.826666][ T502] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.826962][ T502] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.827341][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.827647][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.827944][ T502] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.828245][ T502] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.828544][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.828848][ T502] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.829135][ T502] ? __create_object (mm/kmemleak.c:771) 
[ 42.829447][ T502] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.829746][ T502] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.830038][ T502] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.830422][ T502] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.830726][ T502] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.831037][ T502] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.831364][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.831660][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.831990][ T502] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.832279][ T502] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.832581][ T502] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.832882][ T502] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.833183][ T502] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.833505][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.833809][ T502] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.834106][ T502] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.834414][ T502] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.834722][ T502] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.835027][ T502] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.835336][ T502] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.835641][ T502] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.835970][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.836281][ T502] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.836595][ T502] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.836881][ T502] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.837178][ T502] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.837505][ T502] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.837827][ T502] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.838241][ T502] ___sys_sendmsg (net/socket.c:2670) 
[ 42.838563][ T502] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.838877][ T502] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.839274][ T502] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.839598][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.839918][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.840244][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.840569][ T502] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.840892][ T502] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.841196][ T502] __sys_sendmsg (net/socket.c:2700) 
[ 42.841522][ T502] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.841886][ T502] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.842191][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.842502][ T502] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.842802][ T502] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.843173][  T502] RIP: 0033:0x7fb16dbcd1e7
[ 42.843487][ T502] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.844555][  T502] RSP: 002b:00007fff41cf79f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.845017][  T502] RAX: ffffffffffffffda RBX: 00007fff41cf8120 RCX: 00007fb16dbcd1e7
[   42.845477][  T502] RDX: 0000000000000000 RSI: 00007fff41cf7a60 RDI: 0000000000000005
[   42.845923][  T502] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.846403][  T502] R10: 00007fb16dacaee8 R11: 0000000000000246 R12: 0000000000000004
[   42.846878][  T502] R13: 00000000686e13f6 R14: 0000000000499600 R15: 0000000000000000
| [   42.963033][  T503] ------------[ cut here ]------------
| [ 42.963376][ 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) 
| [   42.963946][  T503] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.965127][  T503] Tainted: [W]=WARN
[   42.965371][  T503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.965743][ 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) 
[ 42.966040][ T503] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.967048][  T503] RSP: 0018:ffffc9000096f140 EFLAGS: 00010246
[   42.967417][  T503] RAX: 0000000000000000 RBX: ffff88800966c000 RCX: 0000000000000001
[   42.967846][  T503] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[   42.968279][  T503] RBP: ffffc9000096f230 R08: ffff8880028fb800 R09: 0000000000000000
[   42.968712][  T503] R10: ffffc9000096f5c8 R11: ffffffff92a50668 R12: 1ffff9200012de2c
[   42.969127][  T503] R13: 00000000000007d0 R14: ffffc9000096f880 R15: ffff888016654760
[   42.969572][  T503] FS:  00007f331e464800(0000) GS:ffff8880a24b7000(0000) knlGS:0000000000000000
[   42.970070][  T503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.970438][  T503] CR2: 00000000004e73c8 CR3: 000000000b63e004 CR4: 0000000000772ef0
[   42.970855][  T503] PKRU: 55555554
[   42.971065][  T503] Call Trace:
[   42.971277][  T503]  <TASK>
[ 42.971435][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.971731][ T503] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.972009][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.972316][ T503] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.972609][ T503] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.972887][ T503] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.973178][ T503] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.973488][ T503] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.973840][ T503] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.974125][ T503] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.974415][ T503] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.974700][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.974989][ 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) 
[ 42.975286][ T503] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.975651][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.975930][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.976220][ T503] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.976509][ T503] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.976793][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.977076][ T503] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.977377][ T503] ? __create_object (mm/kmemleak.c:771) 
[ 42.977681][ T503] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.977967][ T503] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.978251][ T503] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.978607][ T503] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.978900][ T503] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.979188][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.979490][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.979783][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.980079][ T503] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.980372][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.980651][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.980929][ T503] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.981209][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.981529][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.981827][ T503] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.982114][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.982419][ T503] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.982715][ T503] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.982991][ 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) 
[ 42.983267][ T503] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.983555][ T503] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.983835][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.984129][ T503] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.984428][ T503] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.984703][ T503] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.985004][ T503] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.985318][ T503] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.985601][ T503] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.985963][ T503] ___sys_sendmsg (net/socket.c:2670) 
[ 42.986246][ T503] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.986546][ 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) 
[ 42.986897][ T503] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.987182][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.987469][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.987757][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.988036][ 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) 
[ 42.988326][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.988615][ T503] __sys_sendmsg (net/socket.c:2700) 
[ 42.988888][ T503] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.989235][ T503] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.989545][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.989829][ T503] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.990117][ T503] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.990468][  T503] RIP: 0033:0x7f331e6311e7
[ 42.990762][ 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)
[   42.991758][  T503] RSP: 002b:00007ffc9fc626f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.992189][  T503] RAX: ffffffffffffffda RBX: 00007ffc9fc62e20 RCX: 00007f331e6311e7
[   42.992625][  T503] RDX: 0000000000000000 RSI: 00007ffc9fc62760 RDI: 0000000000000005
[   42.993039][  T503] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.993468][  T503] R10: 00007f331e52eee8 R11: 0000000000000246 R12: 0000000000000004
[   42.993879][  T503] R13: 00000000686e13f6 R14: 0000000000499600 R15: 0000000000000000
| [   43.119217][  T504] ------------[ cut here ]------------
| [ 43.119571][ T504] WARNING: CPU: 3 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) 
| [   43.120135][  T504] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.121310][  T504] Tainted: [W]=WARN
[   43.121528][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.121878][ 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) 
[ 43.122164][ T504] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.123165][  T504] RSP: 0018:ffffc9000096f140 EFLAGS: 00010246
[   43.123523][  T504] RAX: 0000000000000000 RBX: ffff888008f6c000 RCX: 0000000000000001
[   43.123937][  T504] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[   43.124359][  T504] RBP: ffffc9000096f230 R08: ffff88800a940800 R09: 0000000000000000
[   43.124770][  T504] R10: ffffc9000096f5c8 R11: ffffffff92a50668 R12: 1ffff9200012de2c
[   43.125204][  T504] R13: 00000000000007d0 R14: ffffc9000096f880 R15: ffff8880166551e0
[   43.125771][  T504] FS:  00007ff17f6a5800(0000) GS:ffff8880a2637000(0000) knlGS:0000000000000000
[   43.126256][  T504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.126782][  T504] CR2: 00000000004e5ab0 CR3: 000000000a75e001 CR4: 0000000000772ef0
[   43.127208][  T504] PKRU: 55555554
[   43.127575][  T504] Call Trace:
[   43.127791][  T504]  <TASK>
[ 43.127940][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.128241][ T504] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.128557][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.128837][ T504] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.129120][ T504] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.129426][ T504] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.129720][ T504] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.130008][ T504] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.130377][ T504] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.130658][ T504] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.130941][ T504] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.131229][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.131536][ 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) 
[ 43.131814][ T504] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.132157][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.132444][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.132724][ T504] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.133004][ T504] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.133305][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.133595][ T504] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.133870][ T504] ? __create_object (mm/kmemleak.c:771) 
[ 43.134148][ T504] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.134452][ T504] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.134736][ T504] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.135109][ T504] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.135408][ T504] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.135692][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.135978][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.136263][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.136558][ T504] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.136831][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.137113][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.137405][ T504] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.137692][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.137975][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.138283][ T504] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.138579][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.138863][ T504] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.139170][ T504] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.139464][ 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) 
[ 43.139750][ T504] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.140035][ T504] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.140326][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.140609][ T504] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.140888][ T504] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.141174][ T504] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.141478][ T504] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.141776][ T504] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.142057][ T504] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.142428][ T504] ___sys_sendmsg (net/socket.c:2670) 
[ 43.142708][ T504] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.142993][ 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) 
[ 43.143357][ T504] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.143643][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.143927][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.144220][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.144510][ 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) 
[ 43.144792][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.145091][ T504] __sys_sendmsg (net/socket.c:2700) 
[ 43.145400][ T504] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.145751][ T504] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.146052][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.146349][ T504] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.146638][ T504] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.146994][  T504] RIP: 0033:0x7ff17f8721e7
[ 43.147301][ 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)
[   43.148313][  T504] RSP: 002b:00007fffbd579a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.148755][  T504] RAX: ffffffffffffffda RBX: 00007fffbd57a140 RCX: 00007ff17f8721e7
[   43.149169][  T504] RDX: 0000000000000000 RSI: 00007fffbd579a80 RDI: 0000000000000005
[   43.149595][  T504] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.150012][  T504] R10: 00007ff17f76fee8 R11: 0000000000000246 R12: 0000000000000004
[   43.150460][  T504] R13: 00000000686e13f6 R14: 0000000000499600 R15: 0000000000000000
| [   43.281310][  T505] ------------[ cut here ]------------
| [ 43.281695][ T505] WARNING: CPU: 2 PID: 505 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.282275][  T505] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.283480][  T505] Tainted: [W]=WARN
[   43.283705][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.284072][ 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) 
[ 43.284398][ T505] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.285456][  T505] RSP: 0018:ffffc9000097f140 EFLAGS: 00010246
[   43.285826][  T505] RAX: 0000000000000000 RBX: ffff8880082d1000 RCX: 0000000000000001
[   43.286254][  T505] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[   43.286718][  T505] RBP: ffffc9000097f230 R08: ffff888008c6b800 R09: 0000000000000000
[   43.287160][  T505] R10: ffffc9000097f5c8 R11: ffffffff92a50668 R12: 1ffff9200012fe2c
[   43.287611][  T505] R13: 00000000000007d0 R14: ffffc9000097f880 R15: ffff88800c7334e0
[   43.288054][  T505] FS:  00007fbc2792a800(0000) GS:ffff8880a25b7000(0000) knlGS:0000000000000000
[   43.288580][  T505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.288951][  T505] CR2: 00000000004e55b8 CR3: 000000000bf9c004 CR4: 0000000000772ef0
[   43.289396][  T505] PKRU: 55555554
[   43.289624][  T505] Call Trace:
[   43.289843][  T505]  <TASK>
[ 43.290007][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.290320][ T505] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.290621][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.290919][ T505] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.291224][ T505] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.291532][ T505] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.291829][ T505] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.292143][ T505] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.292532][ T505] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.292821][ T505] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.293106][ T505] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.293425][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.293715][ 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) 
[ 43.294020][ T505] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.294396][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.294700][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.295013][ T505] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.295315][ T505] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.295612][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.295906][ T505] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.296205][ T505] ? __create_object (mm/kmemleak.c:771) 
[ 43.296515][ T505] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.296804][ T505] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.297104][ T505] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.297480][ T505] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.297789][ T505] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.298089][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.298386][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.298688][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.298975][ T505] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.299279][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.299584][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.299875][ T505] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.300176][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.300485][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.300779][ T505] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.301079][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.301383][ T505] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.301689][ T505] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.301985][ 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) 
[ 43.302298][ T505] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.302591][ T505] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.302878][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.303171][ T505] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.303480][ T505] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.303787][ T505] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.304091][ T505] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.304406][ T505] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.304692][ T505] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.305069][ T505] ___sys_sendmsg (net/socket.c:2670) 
[ 43.305377][ T505] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.305674][ 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) 
[ 43.306052][ T505] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.306355][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.306657][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.306953][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.307252][ 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) 
[ 43.307551][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.307853][ T505] __sys_sendmsg (net/socket.c:2700) 
[ 43.308148][ T505] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.308527][ T505] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.308837][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.309136][ T505] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.309434][ T505] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.309797][  T505] RIP: 0033:0x7fbc27af71e7
[ 43.310098][ 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)
[   43.311237][  T505] RSP: 002b:00007fffd17f0878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.311707][  T505] RAX: ffffffffffffffda RBX: 00007fffd17f0fa0 RCX: 00007fbc27af71e7
[   43.312171][  T505] RDX: 0000000000000000 RSI: 00007fffd17f08e0 RDI: 0000000000000005
[   43.312636][  T505] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.313091][  T505] R10: 00007fbc279f4ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.313554][  T505] R13: 00000000686e13f6 R14: 0000000000499600 R15: 0000000000000000
| [   43.422238][  T506] ------------[ cut here ]------------
| [ 43.422575][ 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) 
| [   43.423149][  T506] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.424668][  T506] Tainted: [W]=WARN
[   43.424891][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.425239][ 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) 
[ 43.425533][ T506] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.426526][  T506] RSP: 0018:ffffc9000097f140 EFLAGS: 00010246
[   43.426877][  T506] RAX: 0000000000000000 RBX: ffff8880050dc000 RCX: 0000000000000001
[   43.427296][  T506] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[   43.427717][  T506] RBP: ffffc9000097f230 R08: ffff888008bcd000 R09: 0000000000000000
[   43.428132][  T506] R10: ffffc9000097f5c8 R11: ffffffff92a50668 R12: 1ffff9200012fe2c
[   43.428557][  T506] R13: 00000000000007d0 R14: ffffc9000097f880 R15: ffff88800c732a60
[   43.428972][  T506] FS:  00007ff0954eb800(0000) GS:ffff8880a24b7000(0000) knlGS:0000000000000000
[   43.429474][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.429824][  T506] CR2: 00000000004e5ac8 CR3: 00000000095ea003 CR4: 0000000000772ef0
[   43.430240][  T506] PKRU: 55555554
[   43.430456][  T506] Call Trace:
[   43.430666][  T506]  <TASK>
[ 43.430809][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.431091][ T506] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.431384][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.431663][ T506] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.431940][ T506] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.432218][ T506] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.432505][ T506] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.432790][ T506] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.433138][ T506] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.433430][ T506] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.433707][ T506] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.433985][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.434266][ 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) 
[ 43.434551][ T506] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.434908][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.435189][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.435486][ T506] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.435761][ T506] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.436044][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.436327][ T506] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.436600][ T506] ? __create_object (mm/kmemleak.c:771) 
[ 43.436876][ T506] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.437157][ T506] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.437453][ T506] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.437793][ T506] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.438083][ T506] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.438374][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.438647][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.438928][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.439208][ T506] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.439490][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.439776][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.440052][ T506] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.440338][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.440618][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.440899][ T506] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.441177][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.441464][ T506] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.441757][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.442038][ 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) 
[ 43.442323][ T506] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.442601][ T506] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.442875][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.443152][ T506] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.443441][ T506] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.443723][ T506] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.444010][ T506] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.444304][ T506] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.444575][ T506] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.444942][ T506] ___sys_sendmsg (net/socket.c:2670) 
[ 43.445217][ T506] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.445498][ 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) 
[ 43.445850][ T506] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.446127][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.446435][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.446718][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.446990][ 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) 
[ 43.447274][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.447565][ T506] __sys_sendmsg (net/socket.c:2700) 
[ 43.447837][ T506] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.448186][ T506] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.448483][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.448761][ T506] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.449038][ T506] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.449385][  T506] RIP: 0033:0x7ff0956b81e7
[ 43.449671][ 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)
[   43.450664][  T506] RSP: 002b:00007ffd509532d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.451087][  T506] RAX: ffffffffffffffda RBX: 00007ffd50953a00 RCX: 00007ff0956b81e7
[   43.451508][  T506] RDX: 0000000000000000 RSI: 00007ffd50953340 RDI: 0000000000000005
[   43.451929][  T506] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.452345][  T506] R10: 00007ff0955b5ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.452758][  T506] R13: 00000000686e13f7 R14: 0000000000499600 R15: 0000000000000000
| [   43.578264][  T507] ------------[ cut here ]------------
| [ 43.578630][ 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) 
| [   43.579203][  T507] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.580937][  T507] Tainted: [W]=WARN
[   43.581145][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.581504][ 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) 
[ 43.581792][ T507] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.582862][  T507] RSP: 0018:ffffc9000098f140 EFLAGS: 00010246
[   43.583228][  T507] RAX: 0000000000000000 RBX: ffff888002749000 RCX: 0000000000000001
[   43.583657][  T507] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[   43.584071][  T507] RBP: ffffc9000098f230 R08: ffff8880164fe800 R09: 0000000000000000
[   43.584512][  T507] R10: ffffc9000098f5c8 R11: ffffffff92a50668 R12: 1ffff92000131e2c
[   43.584938][  T507] R13: 00000000000007d0 R14: ffffc9000098f880 R15: ffff88800c731fe0
[   43.585362][  T507] FS:  00007fc308eb4800(0000) GS:ffff8880a24b7000(0000) knlGS:0000000000000000
[   43.585850][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.586242][  T507] CR2: 00000000004e5ac0 CR3: 000000000971c004 CR4: 0000000000772ef0
[   43.586689][  T507] PKRU: 55555554
[   43.586905][  T507] Call Trace:
[   43.587115][  T507]  <TASK>
[ 43.587263][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.587561][ T507] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.587837][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.588114][ T507] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.588412][ T507] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.588690][ T507] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.588972][ T507] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.589259][ T507] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.589639][ T507] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.589920][ T507] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.590192][ T507] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.590504][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.590784][ 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) 
[ 43.591062][ T507] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.591415][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.591732][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.592013][ T507] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.592301][ T507] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.592592][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.592870][ T507] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.593141][ T507] ? __create_object (mm/kmemleak.c:771) 
[ 43.593432][ T507] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.593714][ T507] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.593991][ T507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.594356][ T507] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.594646][ T507] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.595091][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.595441][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.595761][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.596062][ T507] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.596376][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.596681][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.596990][ T507] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.597314][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.597627][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.597944][ T507] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.598251][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.598578][ T507] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.598898][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.599226][ 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) 
[ 43.599559][ T507] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.599871][ T507] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.600186][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.600523][ T507] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.600831][ T507] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.601170][ T507] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.601480][ T507] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.601783][ T507] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.602080][ T507] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.602485][ T507] ___sys_sendmsg (net/socket.c:2670) 
[ 43.602778][ T507] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.603069][ 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) 
[ 43.603485][ T507] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.603779][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.604083][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.604392][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.604688][ 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) 
[ 43.605002][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.605310][ T507] __sys_sendmsg (net/socket.c:2700) 
[ 43.605606][ T507] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.605966][ T507] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.606270][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.606592][ T507] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.606889][ T507] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.607344][  T507] RIP: 0033:0x7fc3090811e7
[ 43.607862][ 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)
[   43.609699][  T507] RSP: 002b:00007fff48928d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.610500][  T507] RAX: ffffffffffffffda RBX: 00007fff48929480 RCX: 00007fc3090811e7
[   43.611247][  T507] RDX: 0000000000000000 RSI: 00007fff48928dc0 RDI: 0000000000000005
[   43.612012][  T507] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.612792][  T507] R10: 00007fc308f7eee8 R11: 0000000000000246 R12: 0000000000000004
[   43.613552][  T507] R13: 00000000686e13f7 R14: 0000000000499600 R15: 0000000000000000
| [   43.740896][  T508] ------------[ cut here ]------------
| [ 43.741460][ T508] WARNING: CPU: 0 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) 
| [   43.742478][  T508] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.744592][  T508] Tainted: [W]=WARN
[   43.744995][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.745627][ 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) 
[ 43.746148][ T508] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.748553][  T508] RSP: 0018:ffffc9000098f140 EFLAGS: 00010246
[   43.748938][  T508] RAX: 0000000000000000 RBX: ffff888008ed4000 RCX: 0000000000000001
[   43.749411][  T508] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[   43.749863][  T508] RBP: ffffc9000098f230 R08: ffff88800bc05000 R09: 0000000000000000
[   43.750333][  T508] R10: ffffc9000098f5c8 R11: ffffffff92a50668 R12: 1ffff92000131e2c
[   43.750769][  T508] R13: 00000000000007d0 R14: ffffc9000098f880 R15: ffff88800c731560
[   43.751221][  T508] FS:  00007f7147a68800(0000) GS:ffff8880a24b7000(0000) knlGS:0000000000000000
[   43.751742][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.752137][  T508] CR2: 00000000004e73f0 CR3: 0000000004dd1005 CR4: 0000000000772ef0
[   43.752586][  T508] PKRU: 55555554
[   43.752803][  T508] Call Trace:
[   43.753020][  T508]  <TASK>
[ 43.753179][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.753493][ T508] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.753785][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.754087][ T508] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.754401][ T508] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.754695][ T508] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.755008][ T508] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.755491][ T508] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.756138][ T508] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.756657][ T508] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.757167][ T508] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.757561][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.757857][ 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) 
[ 43.758157][ T508] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.758530][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.758829][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.759123][ T508] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.759441][ T508] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.759731][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.760021][ T508] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.760472][ T508] ? __create_object (mm/kmemleak.c:771) 
[ 43.760919][ T508] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.761221][ T508] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.761520][ T508] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.761890][ T508] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.762200][ T508] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.762510][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.762809][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.763107][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.763417][ T508] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.763707][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.764040][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.764523][ T508] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.765052][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.765575][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.765875][ T508] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.766178][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.766481][ T508] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.766781][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.767080][ 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) 
[ 43.767385][ T508] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.767682][ T508] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.767970][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.768261][ T508] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.768571][ T508] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.768861][ T508] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.769157][ T508] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.769473][ T508] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.769761][ T508] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.770134][ T508] ___sys_sendmsg (net/socket.c:2670) 
[ 43.770428][ T508] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.770718][ 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) 
[ 43.771079][ T508] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.771390][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.771685][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.771980][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.772267][ 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) 
[ 43.772569][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.772868][ T508] __sys_sendmsg (net/socket.c:2700) 
[ 43.773163][ T508] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.773539][ T508] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.773854][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.774153][ T508] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.774459][ T508] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.774816][  T508] RIP: 0033:0x7f7147c351e7
[ 43.775132][ 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)
[   43.776191][  T508] RSP: 002b:00007ffc3731c7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.776644][  T508] RAX: ffffffffffffffda RBX: 00007ffc3731cf10 RCX: 00007f7147c351e7
[   43.777082][  T508] RDX: 0000000000000000 RSI: 00007ffc3731c850 RDI: 0000000000000005
[   43.777528][  T508] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.777974][  T508] R10: 00007f7147b32ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.778423][  T508] R13: 00000000686e13f7 R14: 0000000000499600 R15: 0000000000000000
| [   43.939657][  T509] ------------[ cut here ]------------
| [ 43.939998][ T509] WARNING: CPU: 3 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) 
| [   43.941769][  T509] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.942962][  T509] Tainted: [W]=WARN
[   43.943189][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.943549][ 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) 
[ 43.943848][ T509] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.944884][  T509] RSP: 0018:ffffc900009d7140 EFLAGS: 00010246
[   43.945257][  T509] RAX: 0000000000000000 RBX: ffff888009699000 RCX: 0000000000000001
[   43.945690][  T509] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[   43.946107][  T509] RBP: ffffc900009d7230 R08: ffff888009f46800 R09: 0000000000000000
[   43.946535][  T509] R10: ffffc900009d75c8 R11: ffffffff92a50668 R12: 1ffff9200013ae2c
[   43.946953][  T509] R13: 00000000000007d0 R14: ffffc900009d7880 R15: ffff88800c730ae0
[   43.947378][  T509] FS:  00007f7f6e1d1800(0000) GS:ffff8880a2637000(0000) knlGS:0000000000000000
[   43.947860][  T509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.948209][  T509] CR2: 00000000004e5ab8 CR3: 000000000a79e002 CR4: 0000000000772ef0
[   43.948637][  T509] PKRU: 55555554
[   43.948853][  T509] Call Trace:
[   43.949063][  T509]  <TASK>
[ 43.949205][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.949498][ T509] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.949774][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.950063][ T509] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.950351][ T509] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.950632][ T509] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.950918][ T509] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.951208][ T509] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.951568][ T509] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.951850][ T509] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.952129][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.952419][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.952702][ 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) 
[ 43.952985][ T509] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.953341][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.953620][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.953903][ T509] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.954178][ T509] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.954467][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.954742][ T509] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.955037][ T509] ? __create_object (mm/kmemleak.c:771) 
[ 43.955325][ T509] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.955604][ T509] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.955886][ T509] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.956232][ T509] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.956525][ T509] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.956807][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.957085][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.957397][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.957678][ T509] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.957957][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.958239][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.958525][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.958804][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.959086][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.959386][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.959670][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.959947][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.960235][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.960521][ 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) 
[ 43.960801][ T509] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.961097][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.961398][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.961683][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.961963][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.962250][ T509] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.962545][ T509] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.962826][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.963103][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.963488][ T509] ___sys_sendmsg (net/socket.c:2670) 
[ 43.963766][ T509] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.964043][ 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) 
[ 43.964399][ T509] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.964680][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.964973][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.965265][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.965557][ 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) 
[ 43.965848][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.966140][ T509] __sys_sendmsg (net/socket.c:2700) 
[ 43.966439][ T509] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.966786][ T509] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.967078][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.967378][ T509] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.967658][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.968010][  T509] RIP: 0033:0x7f7f6e39e1e7
[ 43.968322][ 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)
[   43.969325][  T509] RSP: 002b:00007ffe477e24f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.969754][  T509] RAX: ffffffffffffffda RBX: 00007ffe477e2c20 RCX: 00007f7f6e39e1e7
[   43.970169][  T509] RDX: 0000000000000000 RSI: 00007ffe477e2560 RDI: 0000000000000005
[   43.970602][  T509] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.971039][  T509] R10: 00007f7f6e29bee8 R11: 0000000000000246 R12: 0000000000000004
[   43.971469][  T509] R13: 00000000686e13f7 R14: 0000000000499600 R15: 0000000000000000
| [   44.113607][  T510] ------------[ cut here ]------------
| [ 44.113994][ 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) 
| [   44.115658][  T510] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.116887][  T510] Tainted: [W]=WARN
[   44.117127][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.117526][ 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) 
[ 44.117843][ T510] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.118894][  T510] RSP: 0018:ffffc900009f7140 EFLAGS: 00010246
[   44.119279][  T510] RAX: 0000000000000000 RBX: ffff88800a479000 RCX: 0000000000000001
[   44.119736][  T510] RDX: 0000000000000000 RSI: ffffffff91c9b941 RDI: ffffffff914555e0
[   44.120180][  T510] RBP: ffffc900009f7230 R08: ffff88800ab23800 R09: 0000000000000000
[   44.120636][  T510] R10: ffffc900009f75c8 R11: ffffffff92a50668 R12: 1ffff9200013ee2c
[   44.121088][  T510] R13: 00000000000007d0 R14: ffffc900009f7880 R15: ffff88800c730060
[   44.121545][  T510] FS:  00007f13af88d800(0000) GS:ffff8880a25b7000(0000) knlGS:0000000000000000
[   44.122065][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.122454][  T510] CR2: 00000000004e59c0 CR3: 0000000008eb2001 CR4: 0000000000772ef0
[   44.122900][  T510] PKRU: 55555554
[   44.123137][  T510] Call Trace:
[   44.123377][  T510]  <TASK>
[ 44.123536][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.123849][ T510] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.124148][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.124465][ T510] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.124765][ T510] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.125143][ T510] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.125470][ T510] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.125767][ T510] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.126142][ T510] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.126464][ T510] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.126752][ T510] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.127071][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.127377][ 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) 
[ 44.127681][ T510] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.128060][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.128365][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.128649][ T510] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.128940][ T510] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.129230][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.129535][ T510] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.129829][ T510] ? __create_object (mm/kmemleak.c:771) 
[ 44.130127][ T510] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.130436][ T510] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.130726][ T510] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.131078][ T510] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.131383][ T510] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.131673][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.131959][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.132261][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.132563][ T510] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.132849][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.133146][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.133444][ T510] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.133753][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.134043][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.134353][ T510] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.134645][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.134983][ T510] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.135285][ T510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.135585][ 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) 
[ 44.135874][ T510] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.136194][ T510] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.136503][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.136795][ T510] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.137091][ T510] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.137392][ T510] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.137692][ T510] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.137988][ T510] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.138275][ T510] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.138662][ T510] ___sys_sendmsg (net/socket.c:2670) 
[ 44.138954][ T510] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.139243][ 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) 
[ 44.139610][ T510] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.139898][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.140194][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.140499][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.140789][ 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) 
[ 44.141082][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.141390][ T510] __sys_sendmsg (net/socket.c:2700) 
[ 44.141676][ T510] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.142028][ T510] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.142338][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.142631][ T510] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.142921][ T510] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.143277][  T510] RIP: 0033:0x7f13afa5a1e7
[ 44.143586][ 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)
[   44.144589][  T510] RSP: 002b:00007fff7d66b7d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.145040][  T510] RAX: ffffffffffffffda RBX: 00007fff7d66bf00 RCX: 00007f13afa5a1e7
[   44.145475][  T510] RDX: 0000000000000000 RSI: 00007fff7d66b840 RDI: 0000000000000005
[   44.145901][  T510] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.146338][  T510] R10: 00007f13af957ee8 R11: 0000000000000246 R12: 0000000000000004


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