======================================
| 0
| xx__-> [   96.634860][  T860] ------------[ cut here ]------------
| [ 96.635568][ T860] WARNING: CPU: 2 PID: 860 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) 
| [   96.636191][  T860] Modules linked in: nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib ip6t_rpfilter ipt_rpfilter nft_compat dummy tcp_diag inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
[   96.637905][  T860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.638285][ T860] 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) 
[ 96.638621][ T860] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   96.639668][  T860] RSP: 0018:ffffc900015bf140 EFLAGS: 00010246
[   96.640053][  T860] RAX: 0000000000000000 RBX: ffff8880080c1000 RCX: 0000000000000001
[   96.640491][  T860] RDX: 0000000000000000 RSI: ffffffffb3e9f52e RDI: ffffffffb365a5a0
[   96.640962][  T860] RBP: ffffc900015bf230 R08: ffff88800c1e2000 R09: 0000000000000000
[   96.641414][  T860] R10: ffffc900015bf5c8 R11: ffffffffb4c59728 R12: 1ffff920002b7e2c
[   96.641862][  T860] R13: 0000000000000500 R14: ffffc900015bf880 R15: ffff88800cc81560
[   96.642296][  T860] FS:  00007f0c003e7800(0000) GS:ffff8880803a7000(0000) knlGS:0000000000000000
[   96.642816][  T860] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.643536][  T860] CR2: 00000000004e59f8 CR3: 00000000091ec003 CR4: 0000000000772ef0
[   96.643993][  T860] PKRU: 55555554
[   96.644230][  T860] Call Trace:
[   96.644495][  T860]  <TASK>
[ 96.644651][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.645018][ T860] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 96.645317][ T860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.645614][ T860] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 96.645918][ T860] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 96.646221][ T860] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 96.646528][ T860] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 96.646847][ T860] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 96.647220][ T860] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 96.647515][ T860] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 96.647822][ T860] ? __kernel_text_address (kernel/extable.c:79) 
[ 96.648118][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.648454][ T860] ? __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) 
[ 96.648769][ T860] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 96.649135][ T860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.649431][ T860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.649738][ T860] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 96.650060][ T860] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 96.650363][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.650653][ T860] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 96.650961][ T860] ? __create_object (mm/kmemleak.c:771) 
[ 96.651265][ T860] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 96.651556][ T860] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 96.651866][ T860] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 96.652228][ T860] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 96.652526][ T860] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 96.652834][ T860] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.653121][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.653433][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.653734][ T860] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 96.654021][ T860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.654315][ T860] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.654607][ T860] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 96.654910][ T860] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.655207][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.655513][ T860] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 96.655826][ T860] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.656122][ T860] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 96.656426][ T860] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 96.656727][ T860] ? 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) 
[ 96.657020][ T860] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 96.657322][ T860] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 96.657625][ T860] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.657930][ T860] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 96.658234][ T860] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 96.658552][ T860] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 96.658865][ T860] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.659166][ T860] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 96.659462][ T860] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 96.659850][ T860] ___sys_sendmsg (net/socket.c:2670) 
[ 96.660141][ T860] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 96.660440][ T860] ? __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) 
[ 96.660811][ T860] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 96.661109][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.661406][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.661719][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.662009][ T860] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 96.662309][ T860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.662609][ T860] __sys_sendmsg (net/socket.c:2700) 
[ 96.662914][ T860] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 96.663273][ T860] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 96.663576][ T860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.663879][ T860] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.664179][ T860] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   96.664561][  T860] RIP: 0033:0x7f0c005b41e7
[ 96.664890][ T860] 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)
[   96.665911][  T860] RSP: 002b:00007fffe4605b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   96.666358][  T860] RAX: ffffffffffffffda RBX: 00007fffe4606280 RCX: 00007f0c005b41e7
[   96.666804][  T860] RDX: 0000000000000000 RSI: 00007fffe4605bb0 RDI: 0000000000000005
[   96.667235][  T860] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   96.667662][  T860] R10: 00007f0c004b1498 R11: 0000000000000246 R12: 0000000000000004
[   96.668107][  T860] R13: 00000000686e437c R14: 0000000000499600 R15: 0000000000000000
| [   97.497372][  T866] ------------[ cut here ]------------
| [ 97.497685][ T866] WARNING: CPU: 0 PID: 866 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) 
| [   97.498268][  T866] Modules linked in: nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib ip6t_rpfilter ipt_rpfilter nft_compat dummy tcp_diag inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
| [   97.499987][  T866] Tainted: [W]=WARN
[   97.500213][  T866] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 97.500559][ T866] 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) 
[ 97.500859][ T866] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   97.501937][  T866] RSP: 0018:ffffc900015ef140 EFLAGS: 00010246
[   97.502340][  T866] RAX: 0000000000000000 RBX: ffff888008829000 RCX: 0000000000000001
[   97.502772][  T866] RDX: 0000000000000000 RSI: ffffffffb3e9f52e RDI: ffffffffb365a5a0
[   97.503211][  T866] RBP: ffffc900015ef230 R08: ffff8880057c6800 R09: 0000000000000000
[   97.503675][  T866] R10: ffffc900015ef5c8 R11: ffffffffb4c59728 R12: 1ffff920002bde2c
[   97.504613][  T866] R13: 0000000000000500 R14: ffffc900015ef880 R15: ffff888009feaa60
[   97.505044][  T866] FS:  00007fb61b51f800(0000) GS:ffff8880802a7000(0000) knlGS:0000000000000000
[   97.505532][  T866] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.505888][  T866] CR2: 00000000004e5aa0 CR3: 000000000f3eb004 CR4: 0000000000772ef0
[   97.506313][  T866] PKRU: 55555554
[   97.506526][  T866] Call Trace:
[   97.506742][  T866]  <TASK>
[ 97.506883][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 97.507190][ T866] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 97.507487][ T866] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 97.507805][ T866] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 97.508090][ T866] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 97.508382][ T866] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 97.508667][ T866] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 97.508961][ T866] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 97.509315][ T866] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 97.509593][ T866] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 97.509877][ T866] ? __kernel_text_address (kernel/extable.c:79) 
[ 97.510169][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 97.510450][ T866] ? __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) 
[ 97.510737][ T866] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 97.511081][ T866] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 97.511363][ T866] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 97.511668][ T866] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 97.511961][ T866] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 97.512258][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 97.512541][ T866] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 97.512827][ T866] ? __create_object (mm/kmemleak.c:771) 
[ 97.513109][ T866] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 97.513390][ T866] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 97.513668][ T866] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 97.514021][ T866] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 97.514308][ T866] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 97.514594][ T866] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 97.514881][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 97.515167][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 97.515445][ T866] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 97.515779][ T866] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 97.516067][ T866] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 97.516345][ T866] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 97.516626][ T866] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 97.516923][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 97.517213][ T866] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 97.517492][ T866] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 97.517783][ T866] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 97.518074][ T866] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 97.518362][ T866] ? 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) 
[ 97.518649][ T866] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 97.518944][ T866] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 97.519234][ T866] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 97.519546][ T866] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 97.519838][ T866] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 97.520124][ T866] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 97.520407][ T866] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 97.520687][ T866] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 97.520982][ T866] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 97.521342][ T866] ___sys_sendmsg (net/socket.c:2670) 
[ 97.521629][ T866] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 97.521916][ T866] ? __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) 
[ 97.522266][ T866] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 97.522547][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 97.522837][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 97.523215][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 97.523523][ T866] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 97.523824][ T866] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 97.524115][ T866] __sys_sendmsg (net/socket.c:2700) 
[ 97.524392][ T866] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 97.524745][ T866] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 97.525037][ T866] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 97.525323][ T866] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 97.525612][ T866] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   97.525965][  T866] RIP: 0033:0x7fb61b6ec1e7
[ 97.526255][ T866] 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)
[   97.527264][  T866] RSP: 002b:00007ffe15c598a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   97.527734][  T866] RAX: ffffffffffffffda RBX: 00007ffe15c59fe0 RCX: 00007fb61b6ec1e7
[   97.528151][  T866] RDX: 0000000000000000 RSI: 00007ffe15c59910 RDI: 0000000000000005
[   97.528585][  T866] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   97.529009][  T866] R10: 00007fb61b5e9498 R11: 0000000000000246 R12: 0000000000000003


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