======================================
| [   36.232000][  T446] GACT probability NOT on
| [   42.263960][  T503] ------------[ cut here ]------------
| [ 42.264433][ 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) 
| [   42.265041][  T503] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
[   42.267037][  T503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.267395][ 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) 
[ 42.267701][ T503] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.268721][  T503] RSP: 0018:ffffc900007e7140 EFLAGS: 00010246
[   42.269078][  T503] RAX: 0000000000000000 RBX: ffff88800226c000 RCX: 0000000000000001
[   42.269502][  T503] RDX: 0000000000000000 RSI: ffffffffa609b939 RDI: ffffffffa58555e0
[   42.269916][  T503] RBP: ffffc900007e7230 R08: ffff88800eea5000 R09: 0000000000000000
[   42.270335][  T503] R10: ffffc900007e75c8 R11: ffffffffa6e50668 R12: 1ffff920000fce2c
[   42.270758][  T503] R13: 00000000000007d0 R14: ffffc900007e7880 R15: ffff888005150760
[   42.271178][  T503] FS:  00007fafb08d3800(0000) GS:ffff88808e0b7000(0000) knlGS:0000000000000000
[   42.271670][  T503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.272021][  T503] CR2: 00000000004e5aa0 CR3: 000000000e9ca005 CR4: 0000000000772ef0
[   42.272445][  T503] PKRU: 55555554
[   42.272655][  T503] Call Trace:
[   42.272864][  T503]  <TASK>
[ 42.273008][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.273305][ T503] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.273808][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.274090][ T503] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.274373][ T503] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.274670][ T503] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.274959][ T503] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.275248][ T503] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.275605][ T503] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.275887][ T503] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.276166][ T503] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.276450][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.276729][ 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) 
[ 42.277003][ T503] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.277341][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.277632][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.277905][ T503] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.278184][ T503] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.278481][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.278802][ T503] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.279077][ T503] ? __create_object (mm/kmemleak.c:771) 
[ 42.279362][ T503] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.279648][ T503] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.279934][ T503] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.280276][ T503] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.280573][ T503] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.280853][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.281125][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.281404][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.281690][ T503] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.281961][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.282237][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.282518][ T503] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.282798][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.283076][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.283353][ T503] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.283643][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.283918][ T503] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.284202][ T503] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.284486][ 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) 
[ 42.284792][ T503] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.285070][ T503] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.285345][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.285633][ T503] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.285925][ T503] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.286224][ T503] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.286523][ T503] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.286815][ T503] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.287089][ T503] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.287471][ T503] ___sys_sendmsg (net/socket.c:2670) 
[ 42.287748][ T503] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.288022][ 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) 
[ 42.288365][ T503] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.288699][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.288984][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.289265][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.289549][ 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) 
[ 42.289823][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.290104][ T503] __sys_sendmsg (net/socket.c:2700) 
[ 42.290375][ T503] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.290759][ T503] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.291049][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.291323][ T503] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.291613][ T503] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.292072][  T503] RIP: 0033:0x7fafb0aa01e7
[ 42.292366][ 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)
[   42.293375][  T503] RSP: 002b:00007fff738a8248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.293803][  T503] RAX: ffffffffffffffda RBX: 00007fff738a8970 RCX: 00007fafb0aa01e7
[   42.294219][  T503] RDX: 0000000000000000 RSI: 00007fff738a82b0 RDI: 0000000000000005
[   42.294642][  T503] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.295062][  T503] R10: 00007fafb099dee8 R11: 0000000000000246 R12: 0000000000000004
[   42.295485][  T503] R13: 00000000686e6703 R14: 0000000000499600 R15: 0000000000000000
| [   42.413786][  T504] ------------[ cut here ]------------
| [ 42.414089][ 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) 
| [   42.414642][  T504] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.415795][  T504] Tainted: [W]=WARN
[   42.416008][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.416360][ 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) 
[ 42.417532][ T504] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.418517][  T504] RSP: 0018:ffffc900007e7140 EFLAGS: 00010246
[   42.418971][  T504] RAX: 0000000000000000 RBX: ffff888009574000 RCX: 0000000000000001
[   42.419380][  T504] RDX: 0000000000000000 RSI: ffffffffa609b939 RDI: ffffffffa58555e0
[   42.419797][  T504] RBP: ffffc900007e7230 R08: ffff888009488800 R09: 0000000000000000
[   42.420206][  T504] R10: ffffc900007e75c8 R11: ffffffffa6e50668 R12: 1ffff920000fce2c
[   42.420622][  T504] R13: 00000000000007d0 R14: ffffc900007e7880 R15: ffff888005151fe0
[   42.421036][  T504] FS:  00007f4502a94800(0000) GS:ffff88808e237000(0000) knlGS:0000000000000000
[   42.421519][  T504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.421862][  T504] CR2: 00000000004e5aa8 CR3: 000000000ea17004 CR4: 0000000000772ef0
[   42.422273][  T504] PKRU: 55555554
[   42.422483][  T504] Call Trace:
[   42.422690][  T504]  <TASK>
[ 42.422829][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.423110][ T504] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.423381][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.423674][ T504] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.423951][ T504] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.424225][ T504] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.424513][ T504] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.424792][ T504] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.425140][ T504] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.425421][ T504] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.425692][ T504] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.425970][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.426246][ 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) 
[ 42.426534][ T504] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.426874][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.427151][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.427431][ T504] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.427707][ T504] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.427980][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.428261][ T504] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.428556][ T504] ? __create_object (mm/kmemleak.c:771) 
[ 42.428854][ T504] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.429128][ T504] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.429402][ T504] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.429758][ T504] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.430038][ T504] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.430319][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.430603][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.430888][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.431162][ T504] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.431443][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.431716][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.431987][ T504] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.432264][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.432549][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.432827][ T504] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.433105][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.433379][ T504] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.433673][ T504] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.433946][ 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) 
[ 42.434227][ T504] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.434513][ T504] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.434787][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.435074][ T504] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.435351][ T504] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.435634][ T504] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.435917][ T504] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.436194][ T504] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.436476][ T504] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.436830][ T504] ___sys_sendmsg (net/socket.c:2670) 
[ 42.437105][ T504] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.437377][ 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) 
[ 42.437726][ T504] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.438002][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.438278][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.438569][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.438854][ 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) 
[ 42.439133][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.439424][ T504] __sys_sendmsg (net/socket.c:2700) 
[ 42.439699][ T504] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.440038][ T504] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.440322][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.440616][ T504] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.440892][ T504] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.441237][  T504] RIP: 0033:0x7f4502c611e7
[ 42.441531][ 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)
[   42.442520][  T504] RSP: 002b:00007ffefbb28128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.442953][  T504] RAX: ffffffffffffffda RBX: 00007ffefbb28850 RCX: 00007f4502c611e7
[   42.443412][  T504] RDX: 0000000000000000 RSI: 00007ffefbb28190 RDI: 0000000000000005
[   42.443838][  T504] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.444247][  T504] R10: 00007f4502b5eee8 R11: 0000000000000246 R12: 0000000000000004
[   42.444663][  T504] R13: 00000000686e6704 R14: 0000000000499600 R15: 0000000000000000
| [   42.550074][  T505] ------------[ cut here ]------------
| [ 42.550404][ T505] WARNING: CPU: 0 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) 
| [   42.550962][  T505] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.552091][  T505] Tainted: [W]=WARN
[   42.552303][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.552650][ 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) 
[ 42.552934][ T505] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.553916][  T505] RSP: 0018:ffffc90000807140 EFLAGS: 00010246
[   42.554267][  T505] RAX: 0000000000000000 RBX: ffff888001ff4000 RCX: 0000000000000001
[   42.554688][  T505] RDX: 0000000000000000 RSI: ffffffffa609b939 RDI: ffffffffa58555e0
[   42.555102][  T505] RBP: ffffc90000807230 R08: ffff88800b59e800 R09: 0000000000000000
[   42.555521][  T505] R10: ffffc900008075c8 R11: ffffffffa6e50668 R12: 1ffff92000100e2c
[   42.555934][  T505] R13: 00000000000007d0 R14: ffffc90000807880 R15: ffff888005153860
[   42.556342][  T505] FS:  00007fe0ef21e800(0000) GS:ffff88808e0b7000(0000) knlGS:0000000000000000
[   42.556828][  T505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.557172][  T505] CR2: 00000000004e73c8 CR3: 000000000e9c5001 CR4: 0000000000772ef0
[   42.557597][  T505] PKRU: 55555554
[   42.557805][  T505] Call Trace:
[   42.558009][  T505]  <TASK>
[ 42.558148][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.558435][ T505] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.558718][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.558994][ T505] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.559268][ T505] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.559556][ T505] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.559838][ T505] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.560117][ T505] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.560473][ T505] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.560747][ T505] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.561019][ T505] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.561293][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.561583][ 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) 
[ 42.561859][ T505] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.562201][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.562485][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.562760][ T505] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.563032][ T505] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.563306][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.563589][ T505] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.563863][ T505] ? __create_object (mm/kmemleak.c:771) 
[ 42.564138][ T505] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.564432][ T505] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.564705][ T505] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.565045][ T505] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.565325][ T505] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.565616][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.565897][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.566179][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.566463][ T505] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.566737][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.567013][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.567288][ T505] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.567574][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.567852][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.568152][ T505] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.568444][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.568729][ T505] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.569016][ T505] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.569287][ 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) 
[ 42.569572][ T505] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.569853][ T505] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.570131][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.570425][ T505] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.570705][ T505] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.570979][ T505] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.571263][ T505] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.571553][ T505] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.571828][ T505] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.572187][ T505] ___sys_sendmsg (net/socket.c:2670) 
[ 42.572468][ T505] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.572740][ 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) 
[ 42.573081][ T505] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.573358][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.573645][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.573926][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.574207][ 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) 
[ 42.574505][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.574786][ T505] __sys_sendmsg (net/socket.c:2700) 
[ 42.575056][ T505] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.575395][ T505] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.575691][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.575968][ T505] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.576255][ T505] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.576609][  T505] RIP: 0033:0x7fe0ef3eb1e7
[ 42.576896][ 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)
[   42.577882][  T505] RSP: 002b:00007ffe4bb80cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.578299][  T505] RAX: ffffffffffffffda RBX: 00007ffe4bb81420 RCX: 00007fe0ef3eb1e7
[   42.578733][  T505] RDX: 0000000000000000 RSI: 00007ffe4bb80d60 RDI: 0000000000000005
[   42.579145][  T505] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.579566][  T505] R10: 00007fe0ef2e8ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.579981][  T505] R13: 00000000686e6704 R14: 0000000000499600 R15: 0000000000000000
| [   42.695656][  T506] ------------[ cut here ]------------
| [ 42.696001][ T506] WARNING: CPU: 2 PID: 506 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.696578][  T506] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.698252][  T506] Tainted: [W]=WARN
[   42.698505][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.698897][ T506] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.699201][ T506] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.700204][  T506] RSP: 0018:ffffc90000817140 EFLAGS: 00010246
[   42.700578][  T506] RAX: 0000000000000000 RBX: ffff88800a61c000 RCX: 0000000000000001
[   42.701012][  T506] RDX: 0000000000000000 RSI: ffffffffa609b939 RDI: ffffffffa58555e0
[   42.701450][  T506] RBP: ffffc90000817230 R08: ffff88800b5dd000 R09: 0000000000000000
[   42.701876][  T506] R10: ffffc900008175c8 R11: ffffffffa6e50668 R12: 1ffff92000102e2c
[   42.702305][  T506] R13: 00000000000007d0 R14: ffffc90000817880 R15: ffff8880051503e0
[   42.702748][  T506] FS:  00007f2c209d9800(0000) GS:ffff88808e1b7000(0000) knlGS:0000000000000000
[   42.703243][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.703620][  T506] CR2: 00000000004e5ab0 CR3: 000000000e806001 CR4: 0000000000772ef0
[   42.704046][  T506] PKRU: 55555554
[   42.704267][  T506] Call Trace:
[   42.704501][  T506]  <TASK>
[ 42.704656][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.704952][ T506] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.705240][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.705548][ T506] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.705841][ T506] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.706133][ T506] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.706437][ T506] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.706738][ T506] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.707098][ T506] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.707387][ T506] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.707691][ T506] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.707985][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.708279][ T506] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.708585][ T506] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.708954][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.709246][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.709549][ T506] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.709839][ T506] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.710127][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.710430][ T506] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.710717][ T506] ? __create_object (mm/kmemleak.c:771) 
[ 42.711012][ T506] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.711300][ T506] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.711617][ T506] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.711971][ T506] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.712266][ T506] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.712570][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.712860][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.713153][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.713469][ T506] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.713760][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.714051][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.714341][ T506] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.714644][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.714937][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.715230][ T506] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.715537][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.715824][ T506] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.716122][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.716407][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.716709][ T506] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.716999][ T506] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.717285][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.717608][ T506] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.717911][ T506] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.718199][ T506] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.718506][ T506] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.718816][ T506] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.719106][ T506] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.719486][ T506] ___sys_sendmsg (net/socket.c:2670) 
[ 42.719779][ T506] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.720063][ T506] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.720430][ T506] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.720721][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.721013][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.721304][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.721604][ T506] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.721893][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.722187][ T506] __sys_sendmsg (net/socket.c:2700) 
[ 42.722484][ T506] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.722841][ T506] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.723138][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.723440][ T506] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.723731][ T506] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.724086][  T506] RIP: 0033:0x7f2c20ba61e7
[ 42.724388][ T506] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.725396][  T506] RSP: 002b:00007ffc2f123ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.725837][  T506] RAX: ffffffffffffffda RBX: 00007ffc2f124410 RCX: 00007f2c20ba61e7
[   42.726263][  T506] RDX: 0000000000000000 RSI: 00007ffc2f123d50 RDI: 0000000000000005
[   42.726695][  T506] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.727121][  T506] R10: 00007f2c20aa3ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.727556][  T506] R13: 00000000686e6704 R14: 0000000000499600 R15: 0000000000000000
| [   42.844380][  T507] ------------[ cut here ]------------
| [ 42.844707][ 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) 
| [   42.845259][  T507] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.846780][  T507] Tainted: [W]=WARN
[   42.846987][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.847328][ T507] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.847624][ T507] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.848620][  T507] RSP: 0018:ffffc90000837140 EFLAGS: 00010246
[   42.848985][  T507] RAX: 0000000000000000 RBX: ffff88800d2a1000 RCX: 0000000000000001
[   42.849392][  T507] RDX: 0000000000000000 RSI: ffffffffa609b939 RDI: ffffffffa58555e0
[   42.849816][  T507] RBP: ffffc90000837230 R08: ffff88800b693800 R09: 0000000000000000
[   42.850224][  T507] R10: ffffc900008375c8 R11: ffffffffa6e50668 R12: 1ffff92000106e2c
[   42.850642][  T507] R13: 00000000000007d0 R14: ffffc90000837880 R15: ffff88800eed74e0
[   42.851050][  T507] FS:  00007fee206d2800(0000) GS:ffff88808e0b7000(0000) knlGS:0000000000000000
[   42.851538][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.851884][  T507] CR2: 00000000004e55b8 CR3: 000000000ed03003 CR4: 0000000000772ef0
[   42.852294][  T507] PKRU: 55555554
[   42.852509][  T507] Call Trace:
[   42.852714][  T507]  <TASK>
[ 42.852854][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.853183][ T507] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.853484][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.853780][ T507] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.854070][ T507] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.854360][ T507] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.854664][ T507] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.854962][ T507] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.855329][ T507] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.855634][ T507] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.855923][ T507] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.856215][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.856517][ T507] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.856809][ T507] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.857171][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.857476][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.857771][ T507] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.858062][ T507] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.858358][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.858664][ T507] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.858956][ T507] ? __create_object (mm/kmemleak.c:771) 
[ 42.859249][ T507] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.859551][ T507] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.859844][ T507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.860214][ T507] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.860506][ T507] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.860786][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.861060][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.861340][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.861627][ T507] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.861899][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.862174][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.862464][ T507] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.862741][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.863019][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.863299][ T507] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.863584][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.863860][ T507] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.864147][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.864435][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.864714][ T507] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.864992][ T507] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.865264][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.865553][ T507] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.865832][ T507] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.866106][ T507] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.866389][ T507] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.866679][ T507] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.866953][ T507] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.867303][ T507] ___sys_sendmsg (net/socket.c:2670) 
[ 42.867584][ T507] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.867857][ T507] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.868198][ T507] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.868492][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.868775][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.869053][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.869328][ T507] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.869611][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.869892][ T507] __sys_sendmsg (net/socket.c:2700) 
[ 42.870162][ T507] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.870513][ T507] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.870801][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.871076][ T507] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.871350][ T507] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.871697][  T507] RIP: 0033:0x7fee2089f1e7
[ 42.871983][ T507] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.872979][  T507] RSP: 002b:00007ffd23280158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.873395][  T507] RAX: ffffffffffffffda RBX: 00007ffd23280880 RCX: 00007fee2089f1e7
[   42.873832][  T507] RDX: 0000000000000000 RSI: 00007ffd232801c0 RDI: 0000000000000005
[   42.874245][  T507] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.874665][  T507] R10: 00007fee2079cee8 R11: 0000000000000246 R12: 0000000000000004
[   42.875074][  T507] R13: 00000000686e6704 R14: 0000000000499600 R15: 0000000000000000
| [   42.998797][  T508] ------------[ cut here ]------------
| [ 42.999125][ T508] WARNING: CPU: 1 PID: 508 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.999688][  T508] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.002220][  T508] Tainted: [W]=WARN
[   43.002445][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.002789][ 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) 
[ 43.003075][ T508] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.004067][  T508] RSP: 0018:ffffc90000847140 EFLAGS: 00010246
[   43.004414][  T508] RAX: 0000000000000000 RBX: ffff888002a01000 RCX: 0000000000000001
[   43.004855][  T508] RDX: 0000000000000000 RSI: ffffffffa609b939 RDI: ffffffffa58555e0
[   43.005268][  T508] RBP: ffffc90000847230 R08: ffff88800d1e3800 R09: 0000000000000000
[   43.005694][  T508] R10: ffffc900008475c8 R11: ffffffffa6e50668 R12: 1ffff92000108e2c
[   43.006103][  T508] R13: 00000000000007d0 R14: ffffc90000847880 R15: ffff88800eed6a60
[   43.006519][  T508] FS:  00007fee4519e800(0000) GS:ffff88808e137000(0000) knlGS:0000000000000000
[   43.007021][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.007366][  T508] CR2: 00000000004e5ac8 CR3: 00000000096c2003 CR4: 0000000000772ef0
[   43.007797][  T508] PKRU: 55555554
[   43.008005][  T508] Call Trace:
[   43.008213][  T508]  <TASK>
[ 43.008354][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.008656][ T508] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.008948][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.009229][ T508] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.009512][ T508] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.009788][ T508] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.010065][ T508] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.010351][ T508] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.010711][ T508] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.010987][ T508] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.011259][ T508] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.011545][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.011822][ 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) 
[ 43.012100][ T508] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.012455][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.012733][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.013011][ T508] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.013285][ T508] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.013575][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.013851][ T508] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.014122][ T508] ? __create_object (mm/kmemleak.c:771) 
[ 43.014396][ T508] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.014683][ T508] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.014962][ T508] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.015303][ T508] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.015615][ T508] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.015897][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.016171][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.016465][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.016749][ T508] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.017019][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.017297][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.017583][ T508] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.017858][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.018135][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.018447][ T508] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.018766][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.019058][ T508] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.019350][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.019634][ 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) 
[ 43.019911][ T508] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.020189][ T508] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.020485][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.020771][ T508] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.021048][ T508] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.021330][ T508] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.021622][ T508] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.021900][ T508] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.022171][ T508] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.022538][ T508] ___sys_sendmsg (net/socket.c:2670) 
[ 43.022818][ T508] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.023093][ 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) 
[ 43.023454][ T508] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.023733][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.024011][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.024292][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.024577][ 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) 
[ 43.024853][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.025144][ T508] __sys_sendmsg (net/socket.c:2700) 
[ 43.025433][ T508] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.025779][ T508] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.026067][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.026344][ T508] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.026629][ T508] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.026975][  T508] RIP: 0033:0x7fee4536b1e7
[ 43.027261][ 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)
[   43.028251][  T508] RSP: 002b:00007ffca39bc7f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.028692][  T508] RAX: ffffffffffffffda RBX: 00007ffca39bcf20 RCX: 00007fee4536b1e7
[   43.029137][  T508] RDX: 0000000000000000 RSI: 00007ffca39bc860 RDI: 0000000000000005
[   43.029565][  T508] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.029977][  T508] R10: 00007fee45268ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.030392][  T508] R13: 00000000686e6704 R14: 0000000000499600 R15: 0000000000000000
| [   43.157166][  T509] ------------[ cut here ]------------
| [ 43.157618][ T509] WARNING: CPU: 1 PID: 509 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.158195][  T509] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.159375][  T509] Tainted: [W]=WARN
[   43.159598][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.159943][ 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) 
[ 43.160228][ T509] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.161233][  T509] RSP: 0018:ffffc90000847140 EFLAGS: 00010246
[   43.161602][  T509] RAX: 0000000000000000 RBX: ffff888002a04000 RCX: 0000000000000001
[   43.162013][  T509] RDX: 0000000000000000 RSI: ffffffffa609b939 RDI: ffffffffa58555e0
[   43.162604][  T509] RBP: ffffc90000847230 R08: ffff88800a9b6800 R09: 0000000000000000
[   43.163017][  T509] R10: ffffc900008475c8 R11: ffffffffa6e50668 R12: 1ffff92000108e2c
[   43.163587][  T509] R13: 00000000000007d0 R14: ffffc90000847880 R15: ffff88800eed5fe0
[   43.163995][  T509] FS:  00007fa4b96f1800(0000) GS:ffff88808e137000(0000) knlGS:0000000000000000
[   43.164607][  T509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.164953][  T509] CR2: 00000000004e5ac0 CR3: 000000000e808004 CR4: 0000000000772ef0
[   43.165368][  T509] PKRU: 55555554
[   43.165704][  T509] Call Trace:
[   43.165910][  T509]  <TASK>
[ 43.166051][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.166332][ T509] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.166726][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.167006][ T509] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.167279][ T509] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.167664][ T509] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.167951][ T509] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.168229][ T509] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.168587][ T509] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.168906][ T509] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.169198][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.169497][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.169784][ 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) 
[ 43.170061][ T509] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.170431][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.170724][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.171000][ T509] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.171284][ T509] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.171569][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.171849][ T509] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.172120][ T509] ? __create_object (mm/kmemleak.c:771) 
[ 43.172405][ T509] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.172699][ T509] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.172975][ T509] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.173331][ T509] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.173647][ T509] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.173931][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.174209][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.174524][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.174799][ T509] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.175077][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.175353][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.175644][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.175946][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.176225][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.176525][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.176800][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.177075][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.177360][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.177676][ 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) 
[ 43.177968][ T509] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.178259][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.178578][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.178913][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.179207][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.179491][ T509] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.179774][ T509] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.180064][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.180337][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.180708][ T509] ___sys_sendmsg (net/socket.c:2670) 
[ 43.180981][ T509] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.181253][ 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) 
[ 43.181612][ T509] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.181891][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.182167][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.182453][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.182736][ 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) 
[ 43.183008][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.183291][ T509] __sys_sendmsg (net/socket.c:2700) 
[ 43.183576][ T509] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.183918][ T509] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.184204][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.184489][ T509] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.184770][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.185108][  T509] RIP: 0033:0x7fa4b98be1e7
[ 43.185392][ 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)
[   43.186444][  T509] RSP: 002b:00007ffff406c9c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.186897][  T509] RAX: ffffffffffffffda RBX: 00007ffff406d0f0 RCX: 00007fa4b98be1e7
[   43.187336][  T509] RDX: 0000000000000000 RSI: 00007ffff406ca30 RDI: 0000000000000005
[   43.187779][  T509] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.188216][  T509] R10: 00007fa4b97bbee8 R11: 0000000000000246 R12: 0000000000000004
[   43.188655][  T509] R13: 00000000686e6704 R14: 0000000000499600 R15: 0000000000000000
| [   43.286934][  T510] ------------[ cut here ]------------
| [ 43.287242][ T510] WARNING: CPU: 0 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) 
| [   43.288354][  T510] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.289516][  T510] Tainted: [W]=WARN
[   43.289725][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.290068][ 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) 
[ 43.290352][ T510] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.291346][  T510] RSP: 0018:ffffc9000097f140 EFLAGS: 00010246
[   43.291705][  T510] RAX: 0000000000000000 RBX: ffff88800a899000 RCX: 0000000000000001
[   43.292115][  T510] RDX: 0000000000000000 RSI: ffffffffa609b939 RDI: ffffffffa58555e0
[   43.292540][  T510] RBP: ffffc9000097f230 R08: ffff88800b8e0800 R09: 0000000000000000
[   43.292957][  T510] R10: ffffc9000097f5c8 R11: ffffffffa6e50668 R12: 1ffff9200012fe2c
[   43.293366][  T510] R13: 00000000000007d0 R14: ffffc9000097f880 R15: ffff88800eed5560
[   43.293782][  T510] FS:  00007fc9f1c71800(0000) GS:ffff88808e0b7000(0000) knlGS:0000000000000000
[   43.294259][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.294617][  T510] CR2: 00000000004e73f0 CR3: 000000000eaf4005 CR4: 0000000000772ef0
[   43.295031][  T510] PKRU: 55555554
[   43.295236][  T510] Call Trace:
[   43.295447][  T510]  <TASK>
[ 43.295588][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.295867][ T510] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.296142][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.296433][ T510] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.296709][ T510] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.296984][ T510] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.297262][ T510] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.297555][ T510] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.297902][ T510] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.298176][ T510] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.298499][ T510] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.298801][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.299078][ 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) 
[ 43.299350][ T510] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.299700][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.299974][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.300246][ T510] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.300539][ T510] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.300813][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.301085][ T510] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.301354][ T510] ? __create_object (mm/kmemleak.c:771) 
[ 43.301641][ T510] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.301916][ T510] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.302189][ T510] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.302544][ T510] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.302825][ T510] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.303103][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.303384][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.303674][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.303948][ T510] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.304218][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.304504][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.304784][ T510] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.305061][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.305341][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.305630][ T510] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.305908][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.306182][ T510] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.306476][ T510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.306753][ 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) 
[ 43.307027][ T510] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.307304][ T510] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.307584][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.307862][ T510] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.308137][ T510] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.308424][ T510] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.308715][ T510] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.309002][ T510] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.309276][ T510] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.309638][ T510] ___sys_sendmsg (net/socket.c:2670) 
[ 43.309913][ T510] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.310186][ 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) 
[ 43.310540][ T510] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.310821][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.311101][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.311382][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.311667][ 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) 
[ 43.311941][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.312223][ T510] __sys_sendmsg (net/socket.c:2700) 
[ 43.312505][ T510] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.312844][ T510] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.313136][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.313424][ T510] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.313700][ T510] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.314041][  T510] RIP: 0033:0x7fc9f1e3e1e7
[ 43.314326][ 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)
[   43.315327][  T510] RSP: 002b:00007ffd401f2a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.315753][  T510] RAX: ffffffffffffffda RBX: 00007ffd401f3140 RCX: 00007fc9f1e3e1e7
[   43.316165][  T510] RDX: 0000000000000000 RSI: 00007ffd401f2a80 RDI: 0000000000000005
[   43.316582][  T510] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.316999][  T510] R10: 00007fc9f1d3bee8 R11: 0000000000000246 R12: 0000000000000004
[   43.317411][  T510] R13: 00000000686e6704 R14: 0000000000499600 R15: 0000000000000000
| [   43.449013][  T511] ------------[ cut here ]------------
| [ 43.449323][ T511] WARNING: CPU: 0 PID: 511 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.449879][  T511] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.451039][  T511] Tainted: [W]=WARN
[   43.451248][  T511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.451691][ T511] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 43.451976][ T511] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.452964][  T511] RSP: 0018:ffffc9000097f140 EFLAGS: 00010246
[   43.453313][  T511] RAX: 0000000000000000 RBX: ffff88800aaa1000 RCX: 0000000000000001
[   43.453732][  T511] RDX: 0000000000000000 RSI: ffffffffa609b939 RDI: ffffffffa58555e0
[   43.454142][  T511] RBP: ffffc9000097f230 R08: ffff8880059d0800 R09: 0000000000000000
[   43.454565][  T511] R10: ffffc9000097f5c8 R11: ffffffffa6e50668 R12: 1ffff9200012fe2c
[   43.454973][  T511] R13: 00000000000007d0 R14: ffffc9000097f880 R15: ffff88800eed4ae0
[   43.455383][  T511] FS:  00007fc7aea6b800(0000) GS:ffff88808e0b7000(0000) knlGS:0000000000000000
[   43.455867][  T511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.456218][  T511] CR2: 00000000004e5ab8 CR3: 000000000b9a3001 CR4: 0000000000772ef0
[   43.456646][  T511] PKRU: 55555554
[   43.456853][  T511] Call Trace:
[   43.457059][  T511]  <TASK>
[ 43.457197][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.457484][ T511] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.457757][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.458036][ T511] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.458309][ T511] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.458598][ T511] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.458893][ T511] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.459173][ T511] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.459527][ T511] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.459801][ T511] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.460075][ T511] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.460355][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.460643][ T511] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 43.460918][ T511] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.461256][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.461544][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.461817][ T511] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.462091][ T511] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.462372][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.462668][ T511] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.462940][ T511] ? __create_object (mm/kmemleak.c:771) 
[ 43.463216][ T511] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.463502][ T511] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.463776][ T511] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.464116][ T511] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.464398][ T511] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.464694][ T511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.464971][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.465255][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.465538][ T511] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.465812][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.466086][ T511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.466359][ T511] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.466645][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.466931][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.467210][ T511] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.467497][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.467774][ T511] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.468058][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.468331][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 43.468619][ T511] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.468918][ T511] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.469193][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.469484][ T511] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.469762][ T511] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.470038][ T511] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.470318][ T511] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.470608][ T511] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.470888][ T511] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.471240][ T511] ___sys_sendmsg (net/socket.c:2670) 
[ 43.471520][ T511] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.471794][ T511] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 43.472136][ T511] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.472430][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.472708][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.472991][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.473263][ T511] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.473548][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.473831][ T511] __sys_sendmsg (net/socket.c:2700) 
[ 43.474104][ T511] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.474451][ T511] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.474739][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.475021][ T511] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.475296][ T511] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.475645][  T511] RIP: 0033:0x7fc7aec381e7
[ 43.475958][ T511] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   43.476946][  T511] RSP: 002b:00007fff41280a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.477366][  T511] RAX: ffffffffffffffda RBX: 00007fff412811a0 RCX: 00007fc7aec381e7
[   43.477784][  T511] RDX: 0000000000000000 RSI: 00007fff41280ae0 RDI: 0000000000000005
[   43.478195][  T511] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.478614][  T511] R10: 00007fc7aeb35ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.479038][  T511] R13: 00000000686e6705 R14: 0000000000499600 R15: 0000000000000000
| [   43.610408][  T512] ------------[ cut here ]------------
| [ 43.610808][ T512] WARNING: CPU: 1 PID: 512 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.611495][  T512] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.612840][  T512] Tainted: [W]=WARN
[   43.613063][  T512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.613439][ T512] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 43.613841][ T512] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.614866][  T512] RSP: 0018:ffffc900006b7140 EFLAGS: 00010246
[   43.615216][  T512] RAX: 0000000000000000 RBX: ffff888008441000 RCX: 0000000000000001
[   43.615655][  T512] RDX: 0000000000000000 RSI: ffffffffa609b939 RDI: ffffffffa58555e0
[   43.616368][  T512] RBP: ffffc900006b7230 R08: ffff888004eb0800 R09: 0000000000000000
[   43.617014][  T512] R10: ffffc900006b75c8 R11: ffffffffa6e50668 R12: 1ffff920000d6e2c
[   43.617439][  T512] R13: 00000000000007d0 R14: ffffc900006b7880 R15: ffff88800eed4060
[   43.617903][  T512] FS:  00007fab1cd8a800(0000) GS:ffff88808e137000(0000) knlGS:0000000000000000
[   43.618776][  T512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.619437][  T512] CR2: 00000000004e59c0 CR3: 000000000ec73005 CR4: 0000000000772ef0
[   43.620187][  T512] PKRU: 55555554
[   43.620799][  T512] Call Trace:
[   43.621174][  T512]  <TASK>
[ 43.621688][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.622189][ T512] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.623046][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.623644][ T512] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.624155][ T512] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.624665][ T512] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.625156][ T512] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.625635][ T512] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.626138][ T512] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.626535][ T512] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.627011][ T512] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.627506][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.627996][ T512] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 43.628497][ T512] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.629110][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.629624][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.630106][ T512] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.630622][ T512] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.631111][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.631625][ T512] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.632119][ T512] ? __create_object (mm/kmemleak.c:771) 
[ 43.632628][ T512] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.633127][ T512] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.633639][ T512] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.634233][ T512] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.634719][ T512] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.635148][ T512] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.635490][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.635852][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.636130][ T512] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.636403][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.636720][ T512] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.637058][ T512] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.637451][ T512] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.637810][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.638168][ T512] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.638508][ T512] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.638823][ T512] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.639112][ T512] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.639492][ T512] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 43.639853][ T512] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.640357][ T512] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.640861][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.641370][ T512] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.641887][ T512] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.642381][ T512] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.642896][ T512] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.643216][ T512] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.643504][ T512] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.643874][ T512] ___sys_sendmsg (net/socket.c:2670) 
[ 43.644144][ T512] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.644495][ T512] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 43.644856][ T512] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.645134][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.645436][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.645813][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.646093][ T512] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.646368][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.646663][ T512] __sys_sendmsg (net/socket.c:2700) 
[ 43.646976][ T512] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.647395][ T512] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.647725][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.648208][ T512] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.648653][ T512] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.649025][  T512] RIP: 0033:0x7fab1cf571e7
[ 43.649312][ T512] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   43.650466][  T512] RSP: 002b:00007ffef1019298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.650914][  T512] RAX: ffffffffffffffda RBX: 00007ffef10199c0 RCX: 00007fab1cf571e7
[   43.651384][  T512] RDX: 0000000000000000 RSI: 00007ffef1019300 RDI: 0000000000000005
[   43.651883][  T512] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.652430][  T512] R10: 00007fab1ce54ee8 R11: 0000000000000246 R12: 0000000000000004


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