======================================
| [   34.032171][  T420] GACT probability NOT on
| [   40.066453][  T477] ------------[ cut here ]------------
| [ 40.066943][ T477] WARNING: CPU: 0 PID: 477 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.067511][  T477] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
[   40.068630][  T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.068981][ T477] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.069345][ T477] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.071638][  T477] RSP: 0018:ffffc90000507140 EFLAGS: 00010246
[   40.071994][  T477] RAX: 0000000000000000 RBX: ffff888005371000 RCX: 0000000000000001
[   40.072415][  T477] RDX: 0000000000000000 RSI: ffffffff8f49b941 RDI: ffffffff8ec555e0
[   40.072832][  T477] RBP: ffffc90000507230 R08: ffff888005033800 R09: 0000000000000000
[   40.073268][  T477] R10: ffffc900005075c8 R11: ffffffff90250668 R12: 1ffff920000a0e2c
[   40.073683][  T477] R13: 00000000000007d0 R14: ffffc90000507880 R15: ffff88800e70ea60
[   40.074094][  T477] FS:  00007fc9aac9f800(0000) GS:ffff8880a4cb7000(0000) knlGS:0000000000000000
[   40.074589][  T477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.074935][  T477] CR2: 00000000004e5aa0 CR3: 000000000e5e3005 CR4: 0000000000772ef0
[   40.075361][  T477] PKRU: 55555554
[   40.075572][  T477] Call Trace:
[   40.075781][  T477]  <TASK>
[ 40.075922][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.076218][ T477] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.076495][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.076776][ T477] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.077052][ T477] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.077669][ T477] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.077950][ T477] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.078249][ T477] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.078603][ T477] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.078877][ T477] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.079158][ T477] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.079449][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.079729][ T477] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.080008][ T477] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.080360][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.080642][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.080918][ T477] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.081210][ T477] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.081491][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.081770][ T477] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.082043][ T477] ? __create_object (mm/kmemleak.c:771) 
[ 40.082327][ T477] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.082605][ T477] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.082884][ T477] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.083235][ T477] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.083519][ T477] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.083799][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.084072][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.084364][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.084640][ T477] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.084918][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.085215][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.085491][ T477] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.085770][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.086048][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.086336][ T477] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.086612][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.086888][ T477] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.087191][ T477] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.087467][ T477] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.087743][ T477] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.088020][ T477] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.088303][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.088582][ T477] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.088862][ T477] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.089168][ T477] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.089464][ T477] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.089746][ T477] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.090022][ T477] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.090383][ T477] ___sys_sendmsg (net/socket.c:2670) 
[ 40.090655][ T477] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.090930][ T477] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.091283][ T477] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.091560][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.091839][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.092142][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.092420][ T477] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.092694][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.092977][ T477] __sys_sendmsg (net/socket.c:2700) 
[ 40.093275][ T477] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.093618][ T477] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.093906][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.094195][ T477] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.094475][ T477] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.094816][  T477] RIP: 0033:0x7fc9aae6c1e7
[ 40.095118][ T477] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.096126][  T477] RSP: 002b:00007ffee65b7cb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.096544][  T477] RAX: ffffffffffffffda RBX: 00007ffee65b83e0 RCX: 00007fc9aae6c1e7
[   40.096972][  T477] RDX: 0000000000000000 RSI: 00007ffee65b7d20 RDI: 0000000000000005
[   40.097436][  T477] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.097855][  T477] R10: 00007fc9aad69ee8 R11: 0000000000000246 R12: 0000000000000004
[   40.098280][  T477] R13: 00000000686e494d R14: 0000000000499600 R15: 0000000000000000
| [   40.218565][  T478] ------------[ cut here ]------------
| [ 40.218881][ T478] WARNING: CPU: 1 PID: 478 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.219464][  T478] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.220676][  T478] Tainted: [W]=WARN
[   40.220891][  T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.222704][ T478] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.222997][ T478] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.224128][  T478] RSP: 0018:ffffc90000507140 EFLAGS: 00010246
[   40.224476][  T478] RAX: 0000000000000000 RBX: ffff888008ddc000 RCX: 0000000000000001
[   40.224886][  T478] RDX: 0000000000000000 RSI: ffffffff8f49b941 RDI: ffffffff8ec555e0
[   40.225397][  T478] RBP: ffffc90000507230 R08: ffff888009f55000 R09: 0000000000000000
[   40.225808][  T478] R10: ffffc900005075c8 R11: ffffffff90250668 R12: 1ffff920000a0e2c
[   40.226223][  T478] R13: 00000000000007d0 R14: ffffc90000507880 R15: ffff88800e70f4e0
[   40.226635][  T478] FS:  00007fe3f9fc9800(0000) GS:ffff8880a4d37000(0000) knlGS:0000000000000000
[   40.227131][  T478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.227477][  T478] CR2: 00000000004e5aa8 CR3: 000000000cdef004 CR4: 0000000000772ef0
[   40.227887][  T478] PKRU: 55555554
[   40.228095][  T478] Call Trace:
[   40.228315][  T478]  <TASK>
[ 40.228455][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.228735][ T478] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.229016][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.229326][ T478] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.229604][ T478] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.229883][ T478] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.230174][ T478] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.230456][ T478] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.230811][ T478] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.231086][ T478] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.231367][ T478] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.231645][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.231922][ T478] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.232212][ T478] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.232556][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.232845][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.233142][ T478] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.233434][ T478] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.233725][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.234002][ T478] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.234284][ T478] ? __create_object (mm/kmemleak.c:771) 
[ 40.234566][ T478] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.234843][ T478] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.235135][ T478] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.235475][ T478] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.235756][ T478] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.236037][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.236326][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.236610][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.236890][ T478] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.237183][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.237468][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.237741][ T478] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.238015][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.238301][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.238593][ T478] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.238869][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.239154][ T478] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.239451][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.239724][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.240005][ T478] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.240310][ T478] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.240597][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.240875][ T478] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.241184][ T478] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.241476][ T478] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.241760][ T478] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.242047][ T478] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.242362][ T478] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.242726][ T478] ___sys_sendmsg (net/socket.c:2670) 
[ 40.243002][ T478] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.243300][ T478] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.243661][ T478] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.243938][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.244233][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.244514][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.244787][ T478] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.245061][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.245367][ T478] __sys_sendmsg (net/socket.c:2700) 
[ 40.245642][ T478] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.245992][ T478] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.246284][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.246561][ T478] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.246867][ T478] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.247215][  T478] RIP: 0033:0x7fe3fa1961e7
[ 40.247503][ T478] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.248489][  T478] RSP: 002b:00007ffecc02d998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.248912][  T478] RAX: ffffffffffffffda RBX: 00007ffecc02e0c0 RCX: 00007fe3fa1961e7
[   40.249354][  T478] RDX: 0000000000000000 RSI: 00007ffecc02da00 RDI: 0000000000000005
[   40.249775][  T478] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.250198][  T478] R10: 00007fe3fa093ee8 R11: 0000000000000246 R12: 0000000000000004
[   40.250616][  T478] R13: 00000000686e494d R14: 0000000000499600 R15: 0000000000000000
| [   40.371986][  T479] ------------[ cut here ]------------
| [ 40.372651][ T479] WARNING: CPU: 2 PID: 479 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.373282][  T479] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.374541][  T479] Tainted: [W]=WARN
[   40.374796][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.375182][ T479] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.375507][ T479] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.376575][  T479] RSP: 0018:ffffc90000507140 EFLAGS: 00010246
[   40.376968][  T479] RAX: 0000000000000000 RBX: ffff888007831000 RCX: 0000000000000001
[   40.377436][  T479] RDX: 0000000000000000 RSI: ffffffff8f49b941 RDI: ffffffff8ec555e0
[   40.377878][  T479] RBP: ffffc90000507230 R08: ffff888009e7e800 R09: 0000000000000000
[   40.378338][  T479] R10: ffffc900005075c8 R11: ffffffff90250668 R12: 1ffff920000a0e2c
[   40.378787][  T479] R13: 00000000000007d0 R14: ffffc90000507880 R15: ffff88800e70c060
[   40.379241][  T479] FS:  00007f66d09e1800(0000) GS:ffff8880a4db7000(0000) knlGS:0000000000000000
[   40.379765][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.380149][  T479] CR2: 00000000004e73b0 CR3: 000000000e5e3004 CR4: 0000000000772ef0
[   40.380609][  T479] PKRU: 55555554
[   40.380848][  T479] Call Trace:
[   40.381084][  T479]  <TASK>
[ 40.381252][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.381566][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.381855][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.382161][ T479] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.382467][ T479] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.382769][ T479] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.383079][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.383387][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.383765][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.384055][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.384351][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.384658][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.384977][ T479] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.385294][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.385658][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.385967][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.386286][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.386590][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.386898][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.387215][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.387507][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 40.387811][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.388132][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.388432][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.388805][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.389121][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.389447][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.389743][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.390065][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.390368][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.390673][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.390979][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.391295][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.391585][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.391899][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.392206][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.392518][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.392821][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.393139][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.393426][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.393741][ T479] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.394040][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.394354][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.394665][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.394973][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.395291][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.395592][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.395901][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.396214][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.396605][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 40.396892][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.397217][ T479] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.397593][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.397898][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.398222][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.398532][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.398857][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.399165][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.399508][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 40.399803][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.400173][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.400480][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.400783][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.401095][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.401467][  T479] RIP: 0033:0x7f66d0bae1e7
[ 40.401783][ T479] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.402856][  T479] RSP: 002b:00007ffcda78cd78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.403339][  T479] RAX: ffffffffffffffda RBX: 00007ffcda78d4a0 RCX: 00007f66d0bae1e7
[   40.403783][  T479] RDX: 0000000000000000 RSI: 00007ffcda78cde0 RDI: 0000000000000005
[   40.404237][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.404678][  T479] R10: 00007f66d0aabee8 R11: 0000000000000246 R12: 0000000000000004
[   40.405126][  T479] R13: 00000000686e494e R14: 0000000000499600 R15: 0000000000000000
| [   40.518477][  T480] ------------[ cut here ]------------
| [ 40.518799][ T480] WARNING: CPU: 0 PID: 480 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.519845][  T480] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.521036][  T480] Tainted: [W]=WARN
[   40.521261][  T480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.521619][ T480] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.521918][ T480] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.522924][  T480] RSP: 0018:ffffc90000517140 EFLAGS: 00010246
[   40.523294][  T480] RAX: 0000000000000000 RBX: ffff888002a99000 RCX: 0000000000000001
[   40.523727][  T480] RDX: 0000000000000000 RSI: ffffffff8f49b941 RDI: ffffffff8ec555e0
[   40.524151][  T480] RBP: ffffc90000517230 R08: ffff88800b780800 R09: 0000000000000000
[   40.524562][  T480] R10: ffffc900005175c8 R11: ffffffff90250668 R12: 1ffff920000a2e2c
[   40.524989][  T480] R13: 00000000000007d0 R14: ffffc90000517880 R15: ffff88800e70cae0
[   40.525417][  T480] FS:  00007f636b0a5800(0000) GS:ffff8880a4cb7000(0000) knlGS:0000000000000000
[   40.525907][  T480] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.526271][  T480] CR2: 00000000004e5ab0 CR3: 000000000cf6c003 CR4: 0000000000772ef0
[   40.526702][  T480] PKRU: 55555554
[   40.526915][  T480] Call Trace:
[   40.527133][  T480]  <TASK>
[ 40.527282][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.527582][ T480] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.527857][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.528158][ T480] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.528438][ T480] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.528730][ T480] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.529013][ T480] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.529323][ T480] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.529692][ T480] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.529971][ T480] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.530269][ T480] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.530549][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.530842][ T480] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.531149][ T480] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.531514][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.531812][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.532117][ T480] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.532407][ T480] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.532702][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.532992][ T480] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.533290][ T480] ? __create_object (mm/kmemleak.c:771) 
[ 40.533580][ T480] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.533883][ T480] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.534185][ T480] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.534546][ T480] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.534847][ T480] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.535142][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.535431][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.535727][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.536029][ T480] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.536329][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.536621][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.536909][ T480] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.537211][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.537503][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.537794][ T480] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.538085][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.538380][ T480] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.538694][ T480] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.538980][ T480] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.539292][ T480] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.539584][ T480] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.539874][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.540185][ T480] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.540495][ T480] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.540774][ T480] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.541075][ T480] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.541382][ T480] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.541701][ T480] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.542066][ T480] ___sys_sendmsg (net/socket.c:2670) 
[ 40.542386][ T480] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.542674][ T480] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.543035][ T480] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.543341][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.543626][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.543917][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.544233][ T480] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.544521][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.544819][ T480] __sys_sendmsg (net/socket.c:2700) 
[ 40.545121][ T480] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.545478][ T480] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.545792][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.546070][ T480] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.546373][ T480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.546730][  T480] RIP: 0033:0x7f636b2721e7
[ 40.547034][ T480] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.548062][  T480] RSP: 002b:00007ffe1044f0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.548510][  T480] RAX: ffffffffffffffda RBX: 00007ffe1044f820 RCX: 00007f636b2721e7
[   40.548952][  T480] RDX: 0000000000000000 RSI: 00007ffe1044f160 RDI: 0000000000000005
[   40.549396][  T480] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.549830][  T480] R10: 00007f636b16fee8 R11: 0000000000000246 R12: 0000000000000004
[   40.550266][  T480] R13: 00000000686e494e R14: 0000000000499600 R15: 0000000000000000
| [   40.672247][  T481] ------------[ cut here ]------------
| [ 40.672628][ T481] WARNING: CPU: 2 PID: 481 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.673257][  T481] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.675116][  T481] Tainted: [W]=WARN
[   40.675357][  T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.675735][ T481] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.676068][ T481] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.677178][  T481] RSP: 0018:ffffc90000517140 EFLAGS: 00010246
[   40.677590][  T481] RAX: 0000000000000000 RBX: ffff88800baa9000 RCX: 0000000000000001
[   40.678067][  T481] RDX: 0000000000000000 RSI: ffffffff8f49b941 RDI: ffffffff8ec555e0
[   40.678540][  T481] RBP: ffffc90000517230 R08: ffff88800bbba000 R09: 0000000000000000
[   40.679003][  T481] R10: ffffc900005175c8 R11: ffffffff90250668 R12: 1ffff920000a2e2c
[   40.679502][  T481] R13: 00000000000007d0 R14: ffffc90000517880 R15: ffff88800f15f4e0
[   40.679936][  T481] FS:  00007fb7c241e800(0000) GS:ffff8880a4db7000(0000) knlGS:0000000000000000
[   40.680460][  T481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.680845][  T481] CR2: 00000000004e55b8 CR3: 000000000e5e3006 CR4: 0000000000772ef0
[   40.681329][  T481] PKRU: 55555554
[   40.681571][  T481] Call Trace:
[   40.681809][  T481]  <TASK>
[ 40.681972][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.682328][ T481] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.682633][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.682955][ T481] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.683280][ T481] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.683588][ T481] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.683884][ T481] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.684202][ T481] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.684571][ T481] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.684880][ T481] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.685189][ T481] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.685488][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.685781][ T481] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.686078][ T481] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.686453][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.686750][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.687049][ T481] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.687364][ T481] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.687663][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.687964][ T481] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.688270][ T481] ? __create_object (mm/kmemleak.c:771) 
[ 40.688569][ T481] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.688858][ T481] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.689163][ T481] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.689550][ T481] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.689848][ T481] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.690158][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.690451][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.690752][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.691055][ T481] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.691359][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.691651][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.691952][ T481] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.692266][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.692572][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.692875][ T481] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.693196][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.693496][ T481] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.693807][ T481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.694129][ T481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.694433][ T481] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.694748][ T481] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.695056][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.695401][ T481] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.695704][ T481] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.695997][ T481] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.696314][ T481] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.696619][ T481] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.696910][ T481] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.697305][ T481] ___sys_sendmsg (net/socket.c:2670) 
[ 40.697594][ T481] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.697885][ T481] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.698264][ T481] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.698563][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.698876][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.699206][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.699534][ T481] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.699841][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.700183][ T481] __sys_sendmsg (net/socket.c:2700) 
[ 40.700493][ T481] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.700875][ T481] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.701224][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.701535][ T481] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.701825][ T481] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.702198][  T481] RIP: 0033:0x7fb7c25eb1e7
[ 40.702499][ T481] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.703544][  T481] RSP: 002b:00007ffc6c512268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.703989][  T481] RAX: ffffffffffffffda RBX: 00007ffc6c512990 RCX: 00007fb7c25eb1e7
[   40.704455][  T481] RDX: 0000000000000000 RSI: 00007ffc6c5122d0 RDI: 0000000000000005
[   40.704881][  T481] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.705345][  T481] R10: 00007fb7c24e8ee8 R11: 0000000000000246 R12: 0000000000000004
[   40.705780][  T481] R13: 00000000686e494e R14: 0000000000499600 R15: 0000000000000000
| [   40.821380][  T482] ------------[ cut here ]------------
| [ 40.821731][ T482] WARNING: CPU: 0 PID: 482 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.822335][  T482] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.823557][  T482] Tainted: [W]=WARN
[   40.823766][  T482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.824124][ T482] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.824414][ T482] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.826146][  T482] RSP: 0018:ffffc90000847140 EFLAGS: 00010246
[   40.826505][  T482] RAX: 0000000000000000 RBX: ffff88800b4d4000 RCX: 0000000000000001
[   40.826923][  T482] RDX: 0000000000000000 RSI: ffffffff8f49b941 RDI: ffffffff8ec555e0
[   40.827350][  T482] RBP: ffffc90000847230 R08: ffff88800e712000 R09: 0000000000000000
[   40.827771][  T482] R10: ffffc900008475c8 R11: ffffffff90250668 R12: 1ffff92000108e2c
[   40.828195][  T482] R13: 00000000000007d0 R14: ffffc90000847880 R15: ffff88800f15ea60
[   40.828615][  T482] FS:  00007fb7df529800(0000) GS:ffff8880a4cb7000(0000) knlGS:0000000000000000
[   40.829122][  T482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.829494][  T482] CR2: 00000000004e5ac8 CR3: 000000000cf6c006 CR4: 0000000000772ef0
[   40.829930][  T482] PKRU: 55555554
[   40.830150][  T482] Call Trace:
[   40.830366][  T482]  <TASK>
[ 40.830507][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.830797][ T482] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.831084][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.831389][ T482] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.831672][ T482] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.831961][ T482] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.832269][ T482] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.832568][ T482] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.832938][ T482] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.833248][ T482] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.833541][ T482] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.833832][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.834136][ T482] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.834417][ T482] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.834759][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.835068][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.835394][ T482] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.835685][ T482] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.835976][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.836264][ T482] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.836536][ T482] ? __create_object (mm/kmemleak.c:771) 
[ 40.836818][ T482] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.837112][ T482] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.837405][ T482] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.837760][ T482] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.838050][ T482] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.838345][ T482] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.838623][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.838912][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.839201][ T482] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.839488][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.839766][ T482] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.840061][ T482] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.840367][ T482] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.840664][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.840966][ T482] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.841272][ T482] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.841564][ T482] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.841867][ T482] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.842197][ T482] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.842493][ T482] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.842790][ T482] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.843079][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.843390][ T482] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.843684][ T482] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.843983][ T482] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.844288][ T482] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.844575][ T482] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.844847][ T482] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.845216][ T482] ___sys_sendmsg (net/socket.c:2670) 
[ 40.845489][ T482] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.845763][ T482] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 40.846120][ T482] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.846406][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.846685][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.846973][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.847258][ T482] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.847535][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.847818][ T482] __sys_sendmsg (net/socket.c:2700) 
[ 40.848110][ T482] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.848453][ T482] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.848757][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.849045][ T482] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.849342][ T482] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.849682][  T482] RIP: 0033:0x7fb7df6f61e7
[ 40.849979][ T482] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   40.850983][  T482] RSP: 002b:00007ffdfc6e0208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.851413][  T482] RAX: ffffffffffffffda RBX: 00007ffdfc6e0930 RCX: 00007fb7df6f61e7
[   40.851828][  T482] RDX: 0000000000000000 RSI: 00007ffdfc6e0270 RDI: 0000000000000005
[   40.852268][  T482] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.852704][  T482] R10: 00007fb7df5f3ee8 R11: 0000000000000246 R12: 0000000000000004
[   40.853148][  T482] R13: 00000000686e494e R14: 0000000000499600 R15: 0000000000000000
| [   40.974146][  T483] ------------[ cut here ]------------
| [ 40.974538][ T483] WARNING: CPU: 2 PID: 483 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   40.975193][  T483] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.977023][  T483] Tainted: [W]=WARN
[   40.977285][  T483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.977681][ T483] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 40.977993][ T483] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.979066][  T483] RSP: 0018:ffffc90000817140 EFLAGS: 00010246
[   40.979484][  T483] RAX: 0000000000000000 RBX: ffff88800b4d1000 RCX: 0000000000000001
[   40.979933][  T483] RDX: 0000000000000000 RSI: ffffffff8f49b941 RDI: ffffffff8ec555e0
[   40.980391][  T483] RBP: ffffc90000817230 R08: ffff88800e720800 R09: 0000000000000000
[   40.980903][  T483] R10: ffffc900008175c8 R11: ffffffff90250668 R12: 1ffff92000102e2c
[   40.981360][  T483] R13: 00000000000007d0 R14: ffffc90000817880 R15: ffff88800f15dfe0
[   40.981814][  T483] FS:  00007f5246e5e800(0000) GS:ffff8880a4db7000(0000) knlGS:0000000000000000
[   40.982333][  T483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.982702][  T483] CR2: 00000000004e5ac0 CR3: 000000000e5e3002 CR4: 0000000000772ef0
[   40.983174][  T483] PKRU: 55555554
[   40.983399][  T483] Call Trace:
[   40.983648][  T483]  <TASK>
[ 40.983808][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.984153][ T483] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.984466][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.984786][ T483] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.985090][ T483] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.985418][ T483] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.985718][ T483] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.986015][ T483] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.986404][ T483] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.986706][ T483] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.986994][ T483] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.987325][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.987633][ T483] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 40.987941][ T483] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.988325][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.988644][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.988960][ T483] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.989292][ T483] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.989617][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.989970][ T483] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.990292][ T483] ? __create_object (mm/kmemleak.c:771) 
[ 40.990611][ T483] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.990934][ T483] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.991248][ T483] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.991603][ T483] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.991904][ T483] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.992238][ T483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.992560][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.992883][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.993211][ T483] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.993538][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.993862][ T483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.994181][ T483] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.994472][ T483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.994800][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.995115][ T483] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.995424][ T483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.995737][ T483] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.996073][ T483] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.996420][ T483] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 40.996737][ T483] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.997053][ T483] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.997395][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.997702][ T483] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.998009][ T483] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.998310][ T483] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.998609][ T483] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.998917][ T483] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.999232][ T483] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.999635][ T483] ___sys_sendmsg (net/socket.c:2670) 
[ 40.999948][ T483] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.000253][ T483] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.000615][ T483] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.000908][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.001215][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.001510][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.001799][ T483] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.002111][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.002409][ T483] __sys_sendmsg (net/socket.c:2700) 
[ 41.002696][ T483] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.003052][ T483] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.003365][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.003679][ T483] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.003972][ T483] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.004350][  T483] RIP: 0033:0x7f524702b1e7
[ 41.004649][ T483] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.005687][  T483] RSP: 002b:00007ffe03825c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.006146][  T483] RAX: ffffffffffffffda RBX: 00007ffe03826370 RCX: 00007f524702b1e7
[   41.006607][  T483] RDX: 0000000000000000 RSI: 00007ffe03825cb0 RDI: 0000000000000005
[   41.007050][  T483] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.007515][  T483] R10: 00007f5246f28ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.007943][  T483] R13: 00000000686e494e R14: 0000000000499600 R15: 0000000000000000
| [   41.132010][  T484] ------------[ cut here ]------------
| [ 41.132782][ T484] WARNING: CPU: 0 PID: 484 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.133354][  T484] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.134520][  T484] Tainted: [W]=WARN
[   41.134730][  T484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.135075][ T484] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.135373][ T484] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.136364][  T484] RSP: 0018:ffffc90000547140 EFLAGS: 00010246
[   41.136714][  T484] RAX: 0000000000000000 RBX: ffff8880096d1000 RCX: 0000000000000001
[   41.137134][  T484] RDX: 0000000000000000 RSI: ffffffff8f49b941 RDI: ffffffff8ec555e0
[   41.137545][  T484] RBP: ffffc90000547230 R08: ffff8880052e5000 R09: 0000000000000000
[   41.137962][  T484] R10: ffffc900005475c8 R11: ffffffff90250668 R12: 1ffff920000a8e2c
[   41.138381][  T484] R13: 00000000000007d0 R14: ffffc90000547880 R15: ffff88800f15d560
[   41.138791][  T484] FS:  00007f71c9a00800(0000) GS:ffff8880a4cb7000(0000) knlGS:0000000000000000
[   41.139324][  T484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.139685][  T484] CR2: 00000000004e73c8 CR3: 000000000cf6c002 CR4: 0000000000772ef0
[   41.140113][  T484] PKRU: 55555554
[   41.140321][  T484] Call Trace:
[   41.140531][  T484]  <TASK>
[ 41.140673][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.140957][ T484] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.141243][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.141523][ T484] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.141806][ T484] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.142082][ T484] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.142376][ T484] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.142659][ T484] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.143023][ T484] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.143309][ T484] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.143599][ T484] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.143876][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.144162][ T484] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.144438][ T484] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.144777][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.145056][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.145341][ T484] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.145626][ T484] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.145929][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.146222][ T484] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.146496][ T484] ? __create_object (mm/kmemleak.c:771) 
[ 41.146775][ T484] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.147053][ T484] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.147339][ T484] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.147682][ T484] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.147973][ T484] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.148265][ T484] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.148543][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.148822][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.149119][ T484] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.149402][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.149677][ T484] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.149949][ T484] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.150240][ T484] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.150519][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.150800][ T484] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.151078][ T484] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.151370][ T484] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.151657][ T484] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.151930][ T484] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.152228][ T484] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.152505][ T484] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.152786][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.153067][ T484] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.153358][ T484] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.153632][ T484] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.153914][ T484] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.154211][ T484] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.154485][ T484] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.154836][ T484] ___sys_sendmsg (net/socket.c:2670) 
[ 41.155125][ T484] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.155404][ T484] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.155748][ T484] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.156027][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.156326][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.156606][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.156880][ T484] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.157164][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.157446][ T484] __sys_sendmsg (net/socket.c:2700) 
[ 41.157715][ T484] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.158052][ T484] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.158354][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.158631][ T484] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.158909][ T484] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.159270][  T484] RIP: 0033:0x7f71c9bcd1e7
[ 41.159582][ T484] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.160650][  T484] RSP: 002b:00007fffe4112ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.161091][  T484] RAX: ffffffffffffffda RBX: 00007fffe4113410 RCX: 00007f71c9bcd1e7
[   41.161540][  T484] RDX: 0000000000000000 RSI: 00007fffe4112d50 RDI: 0000000000000005
[   41.161978][  T484] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.162434][  T484] R10: 00007f71c9acaee8 R11: 0000000000000246 R12: 0000000000000004
[   41.162870][  T484] R13: 00000000686e494e R14: 0000000000499600 R15: 0000000000000000
| [   41.302128][  T485] ------------[ cut here ]------------
| [ 41.302518][ T485] WARNING: CPU: 2 PID: 485 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.303116][  T485] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.304315][  T485] Tainted: [W]=WARN
[   41.304564][  T485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.304946][ T485] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.305262][ T485] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.306369][  T485] RSP: 0018:ffffc900007b7140 EFLAGS: 00010246
[   41.306745][  T485] RAX: 0000000000000000 RBX: ffff888002a9c000 RCX: 0000000000000001
[   41.307229][  T485] RDX: 0000000000000000 RSI: ffffffff8f49b941 RDI: ffffffff8ec555e0
[   41.307671][  T485] RBP: ffffc900007b7230 R08: ffff888009898800 R09: 0000000000000000
[   41.308298][  T485] R10: ffffc900007b75c8 R11: ffffffff90250668 R12: 1ffff920000f6e2c
[   41.308772][  T485] R13: 00000000000007d0 R14: ffffc900007b7880 R15: ffff88800f15cae0
[   41.309227][  T485] FS:  00007f5a40ad5800(0000) GS:ffff8880a4db7000(0000) knlGS:0000000000000000
[   41.309788][  T485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.310188][  T485] CR2: 00000000004e5ab8 CR3: 000000000e5e3005 CR4: 0000000000772ef0
[   41.310637][  T485] PKRU: 55555554
[   41.310874][  T485] Call Trace:
[   41.311093][  T485]  <TASK>
[ 41.311295][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.311602][ T485] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.311893][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.312202][ T485] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.312499][ T485] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.312814][ T485] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.313150][ T485] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.313472][ T485] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.313874][ T485] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.314201][ T485] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.314502][ T485] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.314820][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.315135][ T485] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.315441][ T485] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.315801][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.316115][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.316418][ T485] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.316739][ T485] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.317068][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.317395][ T485] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.317684][ T485] ? __create_object (mm/kmemleak.c:771) 
[ 41.317995][ T485] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.318297][ T485] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.318592][ T485] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.318966][ T485] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.319323][ T485] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.319644][ T485] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.319930][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.320253][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.320553][ T485] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.320858][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.321165][ T485] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.321462][ T485] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.321755][ T485] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.322046][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.322353][ T485] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.322671][ T485] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.322968][ T485] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.323292][ T485] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.323602][ T485] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.323895][ T485] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.324198][ T485] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.324487][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.324810][ T485] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.325141][ T485] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.325438][ T485] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.325757][ T485] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.326082][ T485] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.326411][ T485] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.326815][ T485] ___sys_sendmsg (net/socket.c:2670) 
[ 41.327125][ T485] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.327457][ T485] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.327823][ T485] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.328139][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.328436][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.328733][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.329033][ T485] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.329375][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.329680][ T485] __sys_sendmsg (net/socket.c:2700) 
[ 41.329990][ T485] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.330401][ T485] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.330744][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.331041][ T485] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.331381][ T485] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.331758][  T485] RIP: 0033:0x7f5a40ca21e7
[ 41.332060][ T485] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.333128][  T485] RSP: 002b:00007ffe07dd8e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.333576][  T485] RAX: ffffffffffffffda RBX: 00007ffe07dd95c0 RCX: 00007f5a40ca21e7
[   41.334002][  T485] RDX: 0000000000000000 RSI: 00007ffe07dd8f00 RDI: 0000000000000005
[   41.334440][  T485] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.334876][  T485] R10: 00007f5a40b9fee8 R11: 0000000000000246 R12: 0000000000000004
[   41.335320][  T485] R13: 00000000686e494f R14: 0000000000499600 R15: 0000000000000000
| [   41.444209][  T486] ------------[ cut here ]------------
| [ 41.444547][ T486] WARNING: CPU: 1 PID: 486 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.445136][  T486] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.446477][  T486] Tainted: [W]=WARN
[   41.446692][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.447044][ T486] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.447469][ T486] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.448585][  T486] RSP: 0018:ffffc900007b7140 EFLAGS: 00010246
[   41.448942][  T486] RAX: 0000000000000000 RBX: ffff888005064000 RCX: 0000000000000001
[   41.449401][  T486] RDX: 0000000000000000 RSI: ffffffff8f49b941 RDI: ffffffff8ec555e0
[   41.449818][  T486] RBP: ffffc900007b7230 R08: ffff88800b53e800 R09: 0000000000000000
[   41.450247][  T486] R10: ffffc900007b75c8 R11: ffffffff90250668 R12: 1ffff920000f6e2c
[   41.450672][  T486] R13: 00000000000007d0 R14: ffffc900007b7880 R15: ffff88800f15c060
[   41.451094][  T486] FS:  00007ff2eeaa8800(0000) GS:ffff8880a4d37000(0000) knlGS:0000000000000000
[   41.451602][  T486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.451960][  T486] CR2: 00000000004e59c0 CR3: 000000000cf6c005 CR4: 0000000000772ef0
[   41.452399][  T486] PKRU: 55555554
[   41.452618][  T486] Call Trace:
[   41.452826][  T486]  <TASK>
[ 41.452969][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.453273][ T486] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.453559][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.453840][ T486] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.454143][ T486] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.454426][ T486] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.454718][ T486] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.455002][ T486] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.455364][ T486] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.455658][ T486] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.455939][ T486] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.456246][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.456546][ T486] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.456825][ T486] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.457199][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.457489][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.457764][ T486] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.458043][ T486] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.458332][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.458609][ T486] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.458883][ T486] ? __create_object (mm/kmemleak.c:771) 
[ 41.459187][ T486] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.459482][ T486] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.459771][ T486] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.460146][ T486] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.460445][ T486] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.460738][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.461015][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.461324][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.461603][ T486] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.461879][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.462164][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.462436][ T486] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.462722][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.463003][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.463293][ T486] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.463576][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.463855][ T486] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.464149][ T486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.464433][ T486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.464718][ T486] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.464999][ T486] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.465291][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.465583][ T486] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.465860][ T486] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.466144][ T486] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.466430][ T486] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.466713][ T486] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.466990][ T486] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.467369][ T486] ___sys_sendmsg (net/socket.c:2670) 
[ 41.467648][ T486] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.467925][ T486] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.468279][ T486] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.468566][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.468851][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.469160][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.469467][ T486] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.469744][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.470027][ T486] __sys_sendmsg (net/socket.c:2700) 
[ 41.470308][ T486] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.470652][ T486] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.470950][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.471241][ T486] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.471523][ T486] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.471878][  T486] RIP: 0033:0x7ff2eec751e7
[ 41.472191][ T486] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.473227][  T486] RSP: 002b:00007ffe2a2c9888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.473664][  T486] RAX: ffffffffffffffda RBX: 00007ffe2a2c9fb0 RCX: 00007ff2eec751e7
[   41.474087][  T486] RDX: 0000000000000000 RSI: 00007ffe2a2c98f0 RDI: 0000000000000005
[   41.474511][  T486] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.474938][  T486] R10: 00007ff2eeb72ee8 R11: 0000000000000246 R12: 0000000000000004


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