======================================
| [   36.783687][  T449] GACT probability NOT on
| [   42.935560][  T506] ------------[ cut here ]------------
| [ 42.937024][ T506] WARNING: CPU: 3 PID: 506 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.938015][  T506] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
[   42.940051][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.940672][ T506] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.941198][ T506] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.942614][  T506] RSP: 0018:ffffc90000787140 EFLAGS: 00010246
[   42.942993][  T506] RAX: 0000000000000000 RBX: ffff88800570c000 RCX: 0000000000000001
[   42.943429][  T506] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   42.943885][  T506] RBP: ffffc90000787230 R08: ffff888012736800 R09: 0000000000000000
[   42.944333][  T506] R10: ffffc900007875c8 R11: ffffffffa8a50668 R12: 1ffff920000f0e2c
[   42.944797][  T506] R13: 00000000000007d0 R14: ffffc90000787880 R15: ffff888004cc3860
[   42.945244][  T506] FS:  00007f314e7b8800(0000) GS:ffff88808c637000(0000) knlGS:0000000000000000
[   42.945760][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.946147][  T506] CR2: 00000000004e5aa0 CR3: 0000000004dbe001 CR4: 0000000000772ef0
[   42.946601][  T506] PKRU: 55555554
[   42.946823][  T506] Call Trace:
[   42.947051][  T506]  <TASK>
[ 42.947201][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.947723][ T506] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.948028][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.948329][ T506] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.948646][ T506] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.948953][ T506] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.949248][ T506] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.949559][ T506] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.949921][ T506] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.950231][ T506] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.950533][ T506] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.950827][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.951129][ T506] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.951574][ T506] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.952187][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.952586][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.953093][ T506] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.953546][ T506] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.954052][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.954537][ T506] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.955062][ T506] ? __create_object (mm/kmemleak.c:771) 
[ 42.955550][ T506] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.956067][ T506] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.956562][ T506] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.957199][ T506] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.957705][ T506] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.958220][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.958707][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.959223][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.959721][ T506] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.960223][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.960732][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.961265][ T506] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.961794][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.962313][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.962711][ T506] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.963127][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.963621][ T506] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.964142][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.964647][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.965162][ T506] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.965630][ T506] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.966068][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.966568][ T506] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.967085][ T506] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.967577][ T506] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.968104][ T506] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.968533][ T506] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.969027][ T506] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.969650][ T506] ___sys_sendmsg (net/socket.c:2670) 
[ 42.970090][ T506] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.970579][ T506] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.971196][ T506] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.971691][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.972172][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.972683][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.973213][ T506] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.973705][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.974234][ T506] __sys_sendmsg (net/socket.c:2700) 
[ 42.974728][ T506] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.975360][ T506] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.975881][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.976387][ T506] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.976882][ T506] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.977500][  T506] RIP: 0033:0x7f314e9851e7
[ 42.977857][ T506] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.978888][  T506] RSP: 002b:00007fff6d14c588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.979316][  T506] RAX: ffffffffffffffda RBX: 00007fff6d14ccb0 RCX: 00007f314e9851e7
[   42.979740][  T506] RDX: 0000000000000000 RSI: 00007fff6d14c5f0 RDI: 0000000000000005
[   42.980163][  T506] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.980597][  T506] R10: 00007f314e882ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.981024][  T506] R13: 00000000686e1e5c R14: 0000000000499600 R15: 0000000000000000
| [   43.083902][  T507] ------------[ cut here ]------------
| [ 43.084228][ T507] WARNING: CPU: 0 PID: 507 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.084799][  T507] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.086001][  T507] Tainted: [W]=WARN
[   43.086225][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.086587][ T507] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 43.086894][ T507] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.087912][  T507] RSP: 0018:ffffc90000787140 EFLAGS: 00010246
[   43.088279][  T507] RAX: 0000000000000000 RBX: ffff888007ff1000 RCX: 0000000000000001
[   43.088696][  T507] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   43.089131][  T507] RBP: ffffc90000787230 R08: ffff88801270b800 R09: 0000000000000000
[   43.089553][  T507] R10: ffffc900007875c8 R11: ffffffffa8a50668 R12: 1ffff920000f0e2c
[   43.089971][  T507] R13: 00000000000007d0 R14: ffffc90000787880 R15: ffff888004cc34e0
[   43.090394][  T507] FS:  00007f77ef057800(0000) GS:ffff88808c4b7000(0000) knlGS:0000000000000000
[   43.090887][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.091241][  T507] CR2: 00000000004e5aa8 CR3: 0000000013186005 CR4: 0000000000772ef0
[   43.091658][  T507] PKRU: 55555554
[   43.091875][  T507] Call Trace:
[   43.092090][  T507]  <TASK>
[ 43.092232][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.092523][ T507] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.092795][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.093082][ T507] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.093366][ T507] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.093644][ T507] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.093932][ T507] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.094231][ T507] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.094595][ T507] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.094869][ T507] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.095154][ T507] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.095430][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.095710][ T507] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 43.095994][ T507] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.096341][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.096619][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.096891][ T507] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.097170][ T507] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.097446][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.097729][ T507] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.098018][ T507] ? __create_object (mm/kmemleak.c:771) 
[ 43.098302][ T507] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.098595][ T507] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.098880][ T507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.099243][ T507] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.099541][ T507] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.099842][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.100142][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.100437][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.100731][ T507] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.101031][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.101326][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.101616][ T507] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.101919][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.102223][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.102518][ T507] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.102812][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.103114][ T507] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.103399][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.103675][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 43.103970][ T507] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.104255][ T507] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.104541][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.104832][ T507] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.105135][ T507] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.105424][ T507] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.105727][ T507] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.106032][ T507] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.106324][ T507] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.106697][ T507] ___sys_sendmsg (net/socket.c:2670) 
[ 43.106994][ T507] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.107286][ T507] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 43.107651][ T507] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.107958][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.108255][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.108550][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.108840][ T507] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.109120][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.109411][ T507] __sys_sendmsg (net/socket.c:2700) 
[ 43.109695][ T507] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.110043][ T507] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.110328][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.110613][ T507] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.110889][ T507] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.111266][  T507] RIP: 0033:0x7f77ef2241e7
[ 43.111550][ T507] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   43.112567][  T507] RSP: 002b:00007ffff245c748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.112992][  T507] RAX: ffffffffffffffda RBX: 00007ffff245ce70 RCX: 00007f77ef2241e7
[   43.113408][  T507] RDX: 0000000000000000 RSI: 00007ffff245c7b0 RDI: 0000000000000005
[   43.113823][  T507] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.114238][  T507] R10: 00007f77ef121ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.114648][  T507] R13: 00000000686e1e5c R14: 0000000000499600 R15: 0000000000000000
| [   43.256776][  T508] ------------[ cut here ]------------
| [ 43.257152][ T508] WARNING: CPU: 2 PID: 508 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.257747][  T508] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.258989][  T508] Tainted: [W]=WARN
[   43.259224][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.259604][ T508] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 43.259916][ T508] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.260972][  T508] RSP: 0018:ffffc90000797140 EFLAGS: 00010246
[   43.261356][  T508] RAX: 0000000000000000 RBX: ffff888013d2c000 RCX: 0000000000000001
[   43.261806][  T508] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   43.262247][  T508] RBP: ffffc90000797230 R08: ffff888002a18800 R09: 0000000000000000
[   43.262680][  T508] R10: ffffc900007975c8 R11: ffffffffa8a50668 R12: 1ffff920000f2e2c
[   43.263120][  T508] R13: 00000000000007d0 R14: ffffc90000797880 R15: ffff888004cc2de0
[   43.263546][  T508] FS:  00007f0a7862c800(0000) GS:ffff88808c5b7000(0000) knlGS:0000000000000000
[   43.264061][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.264422][  T508] CR2: 00000000004e73c8 CR3: 0000000013017003 CR4: 0000000000772ef0
[   43.264846][  T508] PKRU: 55555554
[   43.265082][  T508] Call Trace:
[   43.265300][  T508]  <TASK>
[ 43.265463][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.265759][ T508] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.266063][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.266353][ T508] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.266648][ T508] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.266935][ T508] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.267255][ T508] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.267562][ T508] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.267923][ T508] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.268245][ T508] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.268538][ T508] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.268830][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.269129][ T508] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 43.269427][ T508] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.269782][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.270082][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.270378][ T508] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.270668][ T508] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.270971][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.271261][ T508] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.271556][ T508] ? __create_object (mm/kmemleak.c:771) 
[ 43.271875][ T508] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.272173][ T508] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.272476][ T508] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.272826][ T508] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.273131][ T508] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.273422][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.273726][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.274035][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.274335][ T508] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.274625][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.274925][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.275221][ T508] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.275522][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.275814][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.276125][ T508] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.276423][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.276723][ T508] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.277079][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.277389][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 43.277816][ T508] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.278340][ T508] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.278716][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.279033][ T508] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.279336][ T508] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.279634][ T508] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.280136][ T508] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.280633][ T508] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.280967][ T508] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.281442][ T508] ___sys_sendmsg (net/socket.c:2670) 
[ 43.281767][ T508] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.282247][ T508] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 43.282820][ T508] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.283133][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.283429][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.283721][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.284020][ T508] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.284317][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.284613][ T508] __sys_sendmsg (net/socket.c:2700) 
[ 43.284895][ T508] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.285260][ T508] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.285557][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.285848][ T508] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.286148][ T508] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.286511][  T508] RIP: 0033:0x7f0a787f91e7
[ 43.286809][ T508] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   43.287808][  T508] RSP: 002b:00007ffcca2e8a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.288248][  T508] RAX: ffffffffffffffda RBX: 00007ffcca2e91a0 RCX: 00007f0a787f91e7
[   43.288679][  T508] RDX: 0000000000000000 RSI: 00007ffcca2e8ae0 RDI: 0000000000000005
[   43.289111][  T508] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.289536][  T508] R10: 00007f0a786f6ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.289971][  T508] R13: 00000000686e1e5c R14: 0000000000499600 R15: 0000000000000000
| [   43.420955][  T509] ------------[ cut here ]------------
| [ 43.421270][ T509] WARNING: CPU: 3 PID: 509 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.424089][  T509] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.426477][  T509] Tainted: [W]=WARN
[   43.426835][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.427452][ T509] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 43.427958][ T509] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.429641][  T509] RSP: 0018:ffffc900004c7140 EFLAGS: 00010246
[   43.430241][  T509] RAX: 0000000000000000 RBX: ffff888012b39000 RCX: 0000000000000001
[   43.430962][  T509] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   43.431678][  T509] RBP: ffffc900004c7230 R08: ffff888004ee6800 R09: 0000000000000000
[   43.432420][  T509] R10: ffffc900004c75c8 R11: ffffffffa8a50668 R12: 1ffff92000098e2c
[   43.433140][  T509] R13: 00000000000007d0 R14: ffffc900004c7880 R15: ffff888004cc18e0
[   43.433817][  T509] FS:  00007f86c8985800(0000) GS:ffff88808c637000(0000) knlGS:0000000000000000
[   43.434657][  T509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.435263][  T509] CR2: 00000000004e5ab0 CR3: 0000000012a9c004 CR4: 0000000000772ef0
[   43.435985][  T509] PKRU: 55555554
[   43.436340][  T509] Call Trace:
[   43.436686][  T509]  <TASK>
[ 43.436917][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.437290][ T509] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.437727][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.438182][ T509] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.438663][ T509] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.439120][ T509] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.439587][ T509] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.440105][ T509] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.440697][ T509] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.441187][ T509] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.441652][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.442165][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.442655][ T509] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 43.443158][ T509] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.443766][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.444277][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.444761][ T509] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.445269][ T509] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.445766][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.446274][ T509] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.446761][ T509] ? __create_object (mm/kmemleak.c:771) 
[ 43.447268][ T509] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.447758][ T509] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.448211][ T509] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.448580][ T509] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.448865][ T509] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.449168][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.449497][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.449785][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.450073][ T509] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.450346][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.450646][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.450921][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.451207][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.451507][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.451795][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.452080][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.452357][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.452653][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.452923][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 43.453213][ T509] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.453543][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.454021][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.454507][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.455007][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.455494][ T509] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.456012][ T509] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.456507][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.457023][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.457654][ T509] ___sys_sendmsg (net/socket.c:2670) 
[ 43.458160][ T509] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.458644][ T509] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 43.459276][ T509] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.459770][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.460277][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.460755][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.461241][ T509] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.461698][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.462211][ T509] __sys_sendmsg (net/socket.c:2700) 
[ 43.462684][ T509] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.463302][ T509] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.463819][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.464343][ T509] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.464837][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.465452][  T509] RIP: 0033:0x7f86c8b521e7
[ 43.465991][ T509] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   43.467761][  T509] RSP: 002b:00007fff7838acc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.468525][  T509] RAX: ffffffffffffffda RBX: 00007fff7838b3f0 RCX: 00007f86c8b521e7
[   43.469280][  T509] RDX: 0000000000000000 RSI: 00007fff7838ad30 RDI: 0000000000000005
[   43.469798][  T509] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.470468][  T509] R10: 00007f86c8a4fee8 R11: 0000000000000246 R12: 0000000000000004
[   43.471198][  T509] R13: 00000000686e1e5d R14: 0000000000499600 R15: 0000000000000000
| [   43.614582][  T510] ------------[ cut here ]------------
| [ 43.614902][ T510] WARNING: CPU: 1 PID: 510 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.615468][  T510] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.616623][  T510] Tainted: [W]=WARN
[   43.616831][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.617193][ T510] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 43.617482][ T510] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.619761][  T510] RSP: 0018:ffffc90000797140 EFLAGS: 00010246
[   43.620119][  T510] RAX: 0000000000000000 RBX: ffff888005034000 RCX: 0000000000000001
[   43.620529][  T510] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   43.620936][  T510] RBP: ffffc90000797230 R08: ffff88801257a000 R09: 0000000000000000
[   43.621373][  T510] R10: ffffc900007975c8 R11: ffffffffa8a50668 R12: 1ffff920000f2e2c
[   43.621791][  T510] R13: 00000000000007d0 R14: ffffc90000797880 R15: ffff88801180b4e0
[   43.622212][  T510] FS:  00007f39cea2e800(0000) GS:ffff88808c537000(0000) knlGS:0000000000000000
[   43.622688][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.623039][  T510] CR2: 00000000004e55b8 CR3: 0000000004c44004 CR4: 0000000000772ef0
[   43.623455][  T510] PKRU: 55555554
[   43.623663][  T510] Call Trace:
[   43.623872][  T510]  <TASK>
[ 43.624034][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.624314][ T510] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.624616][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.624894][ T510] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.625196][ T510] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.625474][ T510] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.625752][ T510] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.626041][ T510] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.626391][ T510] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.626665][ T510] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.626949][ T510] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.627232][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.627510][ T510] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 43.627785][ T510] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.628132][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.628411][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.628684][ T510] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.628977][ T510] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.629257][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.629531][ T510] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.629800][ T510] ? __create_object (mm/kmemleak.c:771) 
[ 43.630088][ T510] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.630363][ T510] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.630637][ T510] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.630984][ T510] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.631266][ T510] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.631553][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.631835][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.632127][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.632404][ T510] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.632674][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.632969][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.633255][ T510] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.633529][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.633811][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.634098][ T510] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.634373][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.634647][ T510] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.634931][ T510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.635213][ T510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 43.635495][ T510] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.635772][ T510] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.636054][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.636334][ T510] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.636610][ T510] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.636884][ T510] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.637183][ T510] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.637464][ T510] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.637743][ T510] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.638101][ T510] ___sys_sendmsg (net/socket.c:2670) 
[ 43.638373][ T510] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.638643][ T510] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 43.638992][ T510] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.639268][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.639543][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.639827][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.640113][ T510] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.640392][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.640673][ T510] __sys_sendmsg (net/socket.c:2700) 
[ 43.640966][ T510] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.641306][ T510] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.641590][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.641881][ T510] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.642164][ T510] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.642501][  T510] RIP: 0033:0x7f39cebfb1e7
[ 43.642785][ T510] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   43.643776][  T510] RSP: 002b:00007ffcb27ac4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.644198][  T510] RAX: ffffffffffffffda RBX: 00007ffcb27acc20 RCX: 00007f39cebfb1e7
[   43.644609][  T510] RDX: 0000000000000000 RSI: 00007ffcb27ac560 RDI: 0000000000000005
[   43.645040][  T510] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.645451][  T510] R10: 00007f39ceaf8ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.645867][  T510] R13: 00000000686e1e5d R14: 0000000000499600 R15: 0000000000000000
| [   43.752463][  T511] ------------[ cut here ]------------
| [ 43.752779][ T511] WARNING: CPU: 3 PID: 511 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.753341][  T511] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.754468][  T511] Tainted: [W]=WARN
[   43.754682][  T511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.755033][ T511] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 43.755318][ T511] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.756307][  T511] RSP: 0018:ffffc900008c7140 EFLAGS: 00010246
[   43.756658][  T511] RAX: 0000000000000000 RBX: ffff888013c0c000 RCX: 0000000000000001
[   43.757078][  T511] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   43.757490][  T511] RBP: ffffc900008c7230 R08: ffff888012426800 R09: 0000000000000000
[   43.757901][  T511] R10: ffffc900008c75c8 R11: ffffffffa8a50668 R12: 1ffff92000118e2c
[   43.758328][  T511] R13: 00000000000007d0 R14: ffffc900008c7880 R15: ffff88801180aa60
[   43.758738][  T511] FS:  00007f31f6428800(0000) GS:ffff88808c637000(0000) knlGS:0000000000000000
[   43.759228][  T511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.759573][  T511] CR2: 00000000004e5ac8 CR3: 000000000506b006 CR4: 0000000000772ef0
[   43.759992][  T511] PKRU: 55555554
[   43.760208][  T511] Call Trace:
[   43.760414][  T511]  <TASK>
[ 43.760554][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.760835][ T511] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.761118][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.761396][ T511] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.761669][ T511] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.761963][ T511] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.762250][ T511] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.762530][ T511] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.762878][ T511] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.763159][ T511] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.763433][ T511] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.763708][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.763994][ T511] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 43.764272][ T511] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.764611][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.764889][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.765170][ T511] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.765442][ T511] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.765717][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.766000][ T511] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.766278][ T511] ? __create_object (mm/kmemleak.c:771) 
[ 43.766553][ T511] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.766829][ T511] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.767108][ T511] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.767447][ T511] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.767726][ T511] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.768013][ T511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.768284][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.768570][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.768846][ T511] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.769129][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.769404][ T511] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.769675][ T511] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.769958][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.770234][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.770520][ T511] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.770796][ T511] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.771078][ T511] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.771365][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.771637][ T511] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 43.771922][ T511] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.772207][ T511] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.772488][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.772769][ T511] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.773058][ T511] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.773333][ T511] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.773621][ T511] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.773905][ T511] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.774186][ T511] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.774547][ T511] ___sys_sendmsg (net/socket.c:2670) 
[ 43.774816][ T511] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.775096][ T511] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 43.775439][ T511] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.775715][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.775999][ T511] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.776278][ T511] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.776551][ T511] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.776828][ T511] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.777118][ T511] __sys_sendmsg (net/socket.c:2700) 
[ 43.777391][ T511] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.777729][ T511] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.778023][ T511] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.778298][ T511] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.778573][ T511] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.778919][  T511] RIP: 0033:0x7f31f65f51e7
[ 43.779209][ T511] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   43.780193][  T511] RSP: 002b:00007ffc5483c648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.780615][  T511] RAX: ffffffffffffffda RBX: 00007ffc5483cd70 RCX: 00007f31f65f51e7
[   43.781034][  T511] RDX: 0000000000000000 RSI: 00007ffc5483c6b0 RDI: 0000000000000005
[   43.781444][  T511] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.781861][  T511] R10: 00007f31f64f2ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.782279][  T511] R13: 00000000686e1e5d R14: 0000000000499600 R15: 0000000000000000
| [   43.907918][  T512] ------------[ cut here ]------------
| [ 43.908351][ T512] WARNING: CPU: 2 PID: 512 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.908918][  T512] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.910101][  T512] Tainted: [W]=WARN
[   43.910321][  T512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.910679][ T512] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 43.910983][ T512] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   43.912002][  T512] RSP: 0018:ffffc90000517140 EFLAGS: 00010246
[   43.912359][  T512] RAX: 0000000000000000 RBX: ffff888013c09000 RCX: 0000000000000001
[   43.912780][  T512] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   43.913210][  T512] RBP: ffffc90000517230 R08: ffff888011982000 R09: 0000000000000000
[   43.913633][  T512] R10: ffffc900005175c8 R11: ffffffffa8a50668 R12: 1ffff920000a2e2c
[   43.914073][  T512] R13: 00000000000007d0 R14: ffffc90000517880 R15: ffff888011809fe0
[   43.914498][  T512] FS:  00007f9303ccb800(0000) GS:ffff88808c5b7000(0000) knlGS:0000000000000000
[   43.915000][  T512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.915357][  T512] CR2: 00000000004e5ac0 CR3: 000000001081a002 CR4: 0000000000772ef0
[   43.915786][  T512] PKRU: 55555554
[   43.916013][  T512] Call Trace:
[   43.916229][  T512]  <TASK>
[ 43.916381][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.916673][ T512] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.916967][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.917258][ T512] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.917544][ T512] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.917836][ T512] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.918134][ T512] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.918427][ T512] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.918789][ T512] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.919084][ T512] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.919369][ T512] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.919666][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.919970][ T512] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 43.920259][ T512] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.920612][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.920903][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.921198][ T512] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.921485][ T512] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.921787][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.922092][ T512] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.922375][ T512] ? __create_object (mm/kmemleak.c:771) 
[ 43.922665][ T512] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.922960][ T512] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.923249][ T512] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.923600][ T512] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.923893][ T512] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.924213][ T512] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.924500][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.924792][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.925091][ T512] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.925375][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.925663][ T512] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.925958][ T512] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.926247][ T512] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.926542][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.926834][ T512] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.927133][ T512] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.927420][ T512] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.927720][ T512] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.928016][ T512] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 43.928310][ T512] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.928604][ T512] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.928889][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.929188][ T512] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.929481][ T512] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.929770][ T512] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.930083][ T512] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.930376][ T512] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.930666][ T512] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.931040][ T512] ___sys_sendmsg (net/socket.c:2670) 
[ 43.931325][ T512] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.931610][ T512] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 43.931984][ T512] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.932276][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.932567][ T512] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.932868][ T512] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.933164][ T512] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.933451][ T512] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.933742][ T512] __sys_sendmsg (net/socket.c:2700) 
[ 43.934043][ T512] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.934393][ T512] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.934692][ T512] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.934987][ T512] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.935287][ T512] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.935636][  T512] RIP: 0033:0x7f9303e981e7
[ 43.935933][ T512] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   43.936934][  T512] RSP: 002b:00007fff74128b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.937375][  T512] RAX: ffffffffffffffda RBX: 00007fff741292a0 RCX: 00007f9303e981e7
[   43.937795][  T512] RDX: 0000000000000000 RSI: 00007fff74128be0 RDI: 0000000000000005
[   43.938227][  T512] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.938651][  T512] R10: 00007f9303d95ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.939083][  T512] R13: 00000000686e1e5d R14: 0000000000499600 R15: 0000000000000000
| [   44.049394][  T513] ------------[ cut here ]------------
| [ 44.049705][ T513] WARNING: CPU: 3 PID: 513 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   44.051230][  T513] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.052378][  T513] Tainted: [W]=WARN
[   44.052586][  T513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.052927][ T513] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 44.053219][ T513] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.054205][  T513] RSP: 0018:ffffc90000507140 EFLAGS: 00010246
[   44.054550][  T513] RAX: 0000000000000000 RBX: ffff8880078f4000 RCX: 0000000000000001
[   44.054967][  T513] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   44.055376][  T513] RBP: ffffc90000507230 R08: ffff888004ebb800 R09: 0000000000000000
[   44.055788][  T513] R10: ffffc900005075c8 R11: ffffffffa8a50668 R12: 1ffff920000a0e2c
[   44.056205][  T513] R13: 00000000000007d0 R14: ffffc90000507880 R15: ffff888011809560
[   44.056612][  T513] FS:  00007f91471db800(0000) GS:ffff88808c637000(0000) knlGS:0000000000000000
[   44.057097][  T513] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.057448][  T513] CR2: 00000000004e73f0 CR3: 0000000013e1f003 CR4: 0000000000772ef0
[   44.057860][  T513] PKRU: 55555554
[   44.058076][  T513] Call Trace:
[   44.058281][  T513]  <TASK>
[ 44.058420][ T513] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.058698][ T513] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.058980][ T513] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.059263][ T513] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.059536][ T513] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.059808][ T513] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.060094][ T513] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.060375][ T513] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.060721][ T513] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.061004][ T513] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.061287][ T513] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.061564][ T513] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.061854][ T513] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 44.062137][ T513] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.062479][ T513] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.062752][ T513] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.063033][ T513] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.063315][ T513] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.063590][ T513] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.063863][ T513] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.064143][ T513] ? __create_object (mm/kmemleak.c:771) 
[ 44.064418][ T513] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.064694][ T513] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.064973][ T513] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.065319][ T513] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.065599][ T513] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.065879][ T513] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.066165][ T513] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.066445][ T513] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.066722][ T513] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.067000][ T513] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.067275][ T513] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.067552][ T513] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.067829][ T513] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.068113][ T513] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.068391][ T513] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.068664][ T513] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.068947][ T513] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.069232][ T513] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.069508][ T513] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 44.069785][ T513] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.070085][ T513] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.070359][ T513] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.070636][ T513] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.070910][ T513] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.071195][ T513] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.071476][ T513] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.071767][ T513] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.072049][ T513] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.072400][ T513] ___sys_sendmsg (net/socket.c:2670) 
[ 44.072671][ T513] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.072952][ T513] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.073295][ T513] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.073579][ T513] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.073856][ T513] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.074143][ T513] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.074417][ T513] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.074690][ T513] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.074977][ T513] __sys_sendmsg (net/socket.c:2700) 
[ 44.075249][ T513] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.075588][ T513] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.075880][ T513] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.076162][ T513] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.076441][ T513] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.076782][  T513] RIP: 0033:0x7f91473a81e7
[ 44.077073][ T513] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   44.078063][  T513] RSP: 002b:00007ffead2190f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.078482][  T513] RAX: ffffffffffffffda RBX: 00007ffead219820 RCX: 00007f91473a81e7
[   44.078892][  T513] RDX: 0000000000000000 RSI: 00007ffead219160 RDI: 0000000000000005
[   44.079308][  T513] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.079724][  T513] R10: 00007f91472a5ee8 R11: 0000000000000246 R12: 0000000000000004
[   44.080143][  T513] R13: 00000000686e1e5d R14: 0000000000499600 R15: 0000000000000000
| [   44.190126][  T514] ------------[ cut here ]------------
| [ 44.190531][ T514] WARNING: CPU: 3 PID: 514 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   44.191087][  T514] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.192250][  T514] Tainted: [W]=WARN
[   44.192460][  T514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.192800][ T514] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 44.193096][ T514] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.194085][  T514] RSP: 0018:ffffc900004f7140 EFLAGS: 00010246
[   44.194434][  T514] RAX: 0000000000000000 RBX: ffff888012b3c000 RCX: 0000000000000001
[   44.194847][  T514] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   44.195266][  T514] RBP: ffffc900004f7230 R08: ffff8880161f3800 R09: 0000000000000000
[   44.195681][  T514] R10: ffffc900004f75c8 R11: ffffffffa8a50668 R12: 1ffff9200009ee2c
[   44.196100][  T514] R13: 00000000000007d0 R14: ffffc900004f7880 R15: ffff888011808ae0
[   44.196516][  T514] FS:  00007f4e40a0c800(0000) GS:ffff88808c637000(0000) knlGS:0000000000000000
[   44.197000][  T514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.197350][  T514] CR2: 00000000004e5ab8 CR3: 00000000133d6005 CR4: 0000000000772ef0
[   44.197760][  T514] PKRU: 55555554
[   44.197986][  T514] Call Trace:
[   44.198192][  T514]  <TASK>
[ 44.198333][ T514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.198613][ T514] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.198887][ T514] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.199173][ T514] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.199456][ T514] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.199732][ T514] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.200018][ T514] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.200297][ T514] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.200643][ T514] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.200916][ T514] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.201195][ T514] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.201487][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.201774][ T514] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 44.202059][ T514] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.202397][ T514] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.202670][ T514] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.202949][ T514] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.203224][ T514] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.203502][ T514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.203775][ T514] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.204054][ T514] ? __create_object (mm/kmemleak.c:771) 
[ 44.204332][ T514] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.204605][ T514] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.204875][ T514] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.205234][ T514] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.205523][ T514] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.205801][ T514] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.206081][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.206359][ T514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.206630][ T514] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.206898][ T514] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.207179][ T514] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.207449][ T514] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.207727][ T514] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.208014][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.208292][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.208564][ T514] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.208837][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.209146][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.209420][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 44.209699][ T514] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.209989][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.210263][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.210538][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.210814][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.211096][ T514] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.211376][ T514] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.211650][ T514] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.211935][ T514] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.212296][ T514] ___sys_sendmsg (net/socket.c:2670) 
[ 44.212563][ T514] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.212836][ T514] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.213185][ T514] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.213461][ T514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.213744][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.214034][ T514] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.214308][ T514] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.214578][ T514] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.214859][ T514] __sys_sendmsg (net/socket.c:2700) 
[ 44.215145][ T514] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.215483][ T514] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.215770][ T514] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.216058][ T514] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.216332][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.216669][  T514] RIP: 0033:0x7f4e40bd91e7
[ 44.216963][ T514] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   44.217951][  T514] RSP: 002b:00007ffc8c9423d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.218365][  T514] RAX: ffffffffffffffda RBX: 00007ffc8c942b00 RCX: 00007f4e40bd91e7
[   44.218773][  T514] RDX: 0000000000000000 RSI: 00007ffc8c942440 RDI: 0000000000000005
[   44.219191][  T514] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.219609][  T514] R10: 00007f4e40ad6ee8 R11: 0000000000000246 R12: 0000000000000004
[   44.220026][  T514] R13: 00000000686e1e5d R14: 0000000000499600 R15: 0000000000000000
| [   44.333866][  T515] ------------[ cut here ]------------
| [ 44.334233][ T515] WARNING: CPU: 2 PID: 515 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   44.334791][  T515] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   44.335986][  T515] Tainted: [W]=WARN
[   44.336208][  T515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.336561][ T515] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 44.336855][ T515] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   44.339076][  T515] RSP: 0018:ffffc900007a7140 EFLAGS: 00010246
[   44.339572][  T515] RAX: 0000000000000000 RBX: ffff888008341000 RCX: 0000000000000001
[   44.340136][  T515] RDX: 0000000000000000 RSI: ffffffffa7c9b941 RDI: ffffffffa74555e0
[   44.340626][  T515] RBP: ffffc900007a7230 R08: ffff888012706800 R09: 0000000000000000
[   44.341058][  T515] R10: ffffc900007a75c8 R11: ffffffffa8a50668 R12: 1ffff920000f4e2c
[   44.341491][  T515] R13: 00000000000007d0 R14: ffffc900007a7880 R15: ffff888011808060
[   44.341927][  T515] FS:  00007fc6ed50c800(0000) GS:ffff88808c5b7000(0000) knlGS:0000000000000000
[   44.342434][  T515] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.342795][  T515] CR2: 00000000004e59c0 CR3: 00000000113f7001 CR4: 0000000000772ef0
[   44.343235][  T515] PKRU: 55555554
[   44.343454][  T515] Call Trace:
[   44.343673][  T515]  <TASK>
[ 44.343830][ T515] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.344141][ T515] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.344431][ T515] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.344720][ T515] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.345017][ T515] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 44.345310][ T515] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.345604][ T515] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 44.345898][ T515] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.346267][ T515] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.346555][ T515] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.346842][ T515] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.347143][ T515] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.347443][ T515] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 44.347731][ T515] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.348099][ T515] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.348387][ T515] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.348672][ T515] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.348966][ T515] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.349254][ T515] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.349551][ T515] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.349835][ T515] ? __create_object (mm/kmemleak.c:771) 
[ 44.350135][ T515] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.350423][ T515] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.350712][ T515] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.351073][ T515] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.351366][ T515] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.351658][ T515] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.351977][ T515] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.352271][ T515] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.352556][ T515] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.352842][ T515] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.353140][ T515] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.353423][ T515] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.353709][ T515] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.354012][ T515] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.354304][ T515] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.354589][ T515] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.354876][ T515] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.355182][ T515] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.355469][ T515] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 44.355757][ T515] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 44.356067][ T515] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.356352][ T515] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.356646][ T515] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.356947][ T515] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.357238][ T515] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.357531][ T515] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.357820][ T515] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.358115][ T515] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.358486][ T515] ___sys_sendmsg (net/socket.c:2670) 
[ 44.358771][ T515] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.359066][ T515] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 44.359421][ T515] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.359709][ T515] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.360015][ T515] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.360309][ T515] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.360599][ T515] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.360882][ T515] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.361188][ T515] __sys_sendmsg (net/socket.c:2700) 
[ 44.361470][ T515] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.361833][ T515] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.362143][ T515] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.362431][ T515] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.362726][ T515] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.363089][  T515] RIP: 0033:0x7fc6ed6d91e7
[ 44.363387][ T515] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   44.364390][  T515] RSP: 002b:00007fffe19ce288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.364822][  T515] RAX: ffffffffffffffda RBX: 00007fffe19ce9b0 RCX: 00007fc6ed6d91e7
[   44.365254][  T515] RDX: 0000000000000000 RSI: 00007fffe19ce2f0 RDI: 0000000000000005
[   44.365676][  T515] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   44.366109][  T515] R10: 00007fc6ed5d6ee8 R11: 0000000000000246 R12: 0000000000000004


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