======================================
| 0
| xx__-> [   58.595878][  T487] ------------[ cut here ]------------
| [ 58.596491][ T487] WARNING: CPU: 3 PID: 487 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) 
| [   58.597111][  T487] Modules linked in: nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib ip6t_rpfilter ipt_rpfilter nft_compat nf_tables dummy veth
[   58.599353][  T487] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 58.599742][ T487] 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) 
[ 58.600063][ T487] 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
[   58.601191][  T487] RSP: 0018:ffffc90001117140 EFLAGS: 00010246
[   58.601577][  T487] RAX: 0000000000000000 RBX: ffff888015961000 RCX: 0000000000000001
[   58.602030][  T487] RDX: 0000000000000000 RSI: ffffffff8c69f52e RDI: ffffffff8be5a5a0
[   58.602505][  T487] RBP: ffffc90001117230 R08: ffff888012f02000 R09: 0000000000000000
[   58.602936][  T487] R10: ffffc900011175c8 R11: ffffffff8d459728 R12: 1ffff92000222e2c
[   58.603379][  T487] R13: 0000000000000500 R14: ffffc90001117880 R15: ffff888010756a60
[   58.603822][  T487] FS:  00007fcf7ddc6800(0000) GS:ffff8880a7c27000(0000) knlGS:0000000000000000
[   58.604380][  T487] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.604755][  T487] CR2: 00000000004e59f8 CR3: 0000000006009004 CR4: 0000000000772ef0
[   58.605216][  T487] PKRU: 55555554
[   58.605465][  T487] Call Trace:
[   58.605702][  T487]  <TASK>
[ 58.606090][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.606423][ T487] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 58.606724][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.607041][ T487] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 58.607354][ T487] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 58.607664][ T487] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 58.607977][ T487] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 58.608295][ T487] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 58.608684][ T487] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 58.608996][ T487] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 58.609296][ T487] ? __kernel_text_address (kernel/extable.c:79) 
[ 58.609603][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.609903][ T487] ? __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) 
[ 58.610201][ T487] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 58.610576][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.610876][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.611172][ T487] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 58.611480][ T487] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 58.611814][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.612111][ T487] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 58.612412][ T487] ? __create_object (mm/kmemleak.c:771) 
[ 58.612717][ T487] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 58.613013][ T487] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 58.613329][ T487] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 58.613707][ T487] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 58.614018][ T487] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 58.614333][ T487] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.614626][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.614937][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.615238][ T487] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 58.615553][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.615862][ T487] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.616160][ T487] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 58.616497][ T487] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.616802][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.617103][ T487] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 58.617434][ T487] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.617733][ T487] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 58.618041][ T487] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 58.618356][ T487] ? 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) 
[ 58.618659][ T487] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 58.618957][ T487] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 58.619266][ T487] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 58.619580][ T487] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 58.619876][ T487] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 58.620178][ T487] ? _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) 
[ 58.620486][ T487] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 58.620823][ T487] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 58.621134][ T487] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 58.621532][ T487] ___sys_sendmsg (net/socket.c:2670) 
[ 58.621837][ T487] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 58.622137][ T487] ? __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) 
[ 58.622541][ T487] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 58.622843][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.623151][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.623461][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.623754][ T487] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 58.624070][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.624385][ T487] __sys_sendmsg (net/socket.c:2700) 
[ 58.624681][ T487] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 58.625063][ T487] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 58.625412][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.625725][ T487] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 58.626031][ T487] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   58.626425][  T487] RIP: 0033:0x7fcf7df931e7
[ 58.626747][ T487] 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)
[   58.627833][  T487] RSP: 002b:00007ffcc24f5358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   58.628287][  T487] RAX: ffffffffffffffda RBX: 00007ffcc24f5a90 RCX: 00007fcf7df931e7
[   58.628755][  T487] RDX: 0000000000000000 RSI: 00007ffcc24f53c0 RDI: 0000000000000005
[   58.629220][  T487] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   58.629927][  T487] R10: 00007fcf7de90498 R11: 0000000000000246 R12: 0000000000000004
[   58.630398][  T487] R13: 00000000686e1a6e R14: 0000000000499600 R15: 0000000000000000
| [   59.484848][  T493] ------------[ cut here ]------------
| [ 59.485218][ T493] WARNING: CPU: 2 PID: 493 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) 
| [   59.485848][  T493] Modules linked in: nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib ip6t_rpfilter ipt_rpfilter nft_compat nf_tables dummy veth
| [   59.487239][  T493] Tainted: [W]=WARN
[   59.487499][  T493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.487878][ T493] 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) 
[ 59.488232][ T493] 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
[   59.489320][  T493] RSP: 0018:ffffc90001167140 EFLAGS: 00010246
[   59.489709][  T493] RAX: 0000000000000000 RBX: ffff888007761000 RCX: 0000000000000001
[   59.490162][  T493] RDX: 0000000000000000 RSI: ffffffff8c69f52e RDI: ffffffff8be5a5a0
[   59.490627][  T493] RBP: ffffc90001167230 R08: ffff88800fc7a000 R09: 0000000000000000
[   59.491081][  T493] R10: ffffc900011675c8 R11: ffffffff8d459728 R12: 1ffff9200022ce2c
[   59.491540][  T493] R13: 0000000000000500 R14: ffffc90001167880 R15: ffff88801041a360
[   59.491991][  T493] FS:  00007fcd352f0800(0000) GS:ffff8880a7ba7000(0000) knlGS:0000000000000000
[   59.492562][  T493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.492952][  T493] CR2: 00000000004e5aa0 CR3: 0000000004d06006 CR4: 0000000000772ef0
[   59.493419][  T493] PKRU: 55555554
[   59.493653][  T493] Call Trace:
[   59.493887][  T493]  <TASK>
[ 59.494050][ T493] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.494370][ T493] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 59.494679][ T493] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.494990][ T493] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 59.495301][ T493] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 59.495629][ T493] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 59.495941][ T493] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 59.496290][ T493] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 59.496694][ T493] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 59.497000][ T493] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 59.497316][ T493] ? __kernel_text_address (kernel/extable.c:79) 
[ 59.497635][ T493] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.497946][ T493] ? __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) 
[ 59.498250][ T493] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 59.498638][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.498945][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.499258][ T493] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 59.499575][ T493] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 59.499889][ T493] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.500232][ T493] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 59.500551][ T493] ? __create_object (mm/kmemleak.c:771) 
[ 59.500859][ T493] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 59.501165][ T493] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 59.501484][ T493] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 59.501864][ T493] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 59.502183][ T493] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 59.502510][ T493] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.502819][ T493] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.503128][ T493] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.503443][ T493] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 59.503744][ T493] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.504069][ T493] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.504407][ T493] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 59.504722][ T493] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.505030][ T493] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.505353][ T493] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 59.505675][ T493] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.505983][ T493] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 59.506344][ T493] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 59.506655][ T493] ? 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) 
[ 59.506970][ T493] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 59.507279][ T493] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 59.507603][ T493] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.507918][ T493] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 59.508224][ T493] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 59.508543][ T493] ? _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) 
[ 59.508853][ T493] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.509171][ T493] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 59.509496][ T493] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 59.509888][ T493] ___sys_sendmsg (net/socket.c:2670) 
[ 59.510226][ T493] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 59.510552][ T493] ? __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) 
[ 59.510928][ T493] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 59.511241][ T493] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.511570][ T493] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.511883][ T493] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.512186][ T493] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 59.512503][ T493] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.512817][ T493] __sys_sendmsg (net/socket.c:2700) 
[ 59.513119][ T493] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 59.513501][ T493] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 59.513820][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.514174][ T493] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.514499][ T493] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.514874][  T493] RIP: 0033:0x7fcd354bd1e7
[ 59.515192][ T493] 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)
[   59.516234][  T493] RSP: 002b:00007fffd43bec88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   59.516675][  T493] RAX: ffffffffffffffda RBX: 00007fffd43bf3c0 RCX: 00007fcd354bd1e7
[   59.517113][  T493] RDX: 0000000000000000 RSI: 00007fffd43becf0 RDI: 0000000000000005
[   59.517547][  T493] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   59.517980][  T493] R10: 00007fcd353ba498 R11: 0000000000000246 R12: 0000000000000003


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