Description:
Hello, i can't launch virtualbox since my latest system upgrade,
it only shows a "segmentation fault" message.
I tried to reinstall virtualbox packages but no luck,

Additional info:
* package version(s)

virtualbox 5.2.12-1
virtualbox-host-dkms 5.2.12-1
linux 4.16.11-1-ARCH

* config and/or log files etc.

VirtualBox XPCOM Server 5.2.12 r122571 linux.amd64 (May 11 2018 09:07:05) release log
00:00:00.000157 main Log opened 2018-05-28T15:48:55.456746000Z
00:00:00.000158 main Build Type: release
00:00:00.000160 main OS Product: Linux
00:00:00.000161 main OS Release: 4.16.11-1-ARCH
00:00:00.000161 main OS Version: #1 SMP PREEMPT Tue May 22 21:40:27 UTC 2018
00:00:00.000176 main DMI Product Name: 80RS
00:00:00.000182 main DMI Product Version: Lenovo ideapad 300-15ISK
00:00:00.000210 main Host RAM: 15903MB (15.5GB) total, 12098MB (11.8GB) available
00:00:00.000212 main Executable: /usr/lib/virtualbox/VBoxSVC
00:00:00.000213 main Process ID: 7078
00:00:00.000213 main Package type: LINUX_64BITS_GENERIC (OSE)
00:00:00.001600 main IPC socket path: /tmp/.vbox-yurick-ipc/ipcd
00:00:00.109793 nspr-2 VirtualBox: object creation starts
00:00:00.110148 nspr-2 Home directory: '/home/yurick/.config/VirtualBox'
00:00:00.134852 nspr-2 Failed to retrive disk info: getDiskName(/dev/mapper/cryptroot) --> cryptroot
00:00:00.147366 nspr-2 NetIfAdpCtlOut: VBoxNetAdpCtl: Error while retrieving link speed for docker0: VBoxNetAdpCtl: ioctl failed: Operation not supported
00:00:00.167316 nspr-2 NetIfAdpCtlOut: VBoxNetAdpCtl: Error while retrieving link speed for wlp2s0: VBoxNetAdpCtl: ioctl failed: Operation not supported
00:00:00.168449 nspr-2 NAT: resolv.conf: nameserver 201.82.0.63
00:00:00.168468 nspr-2 NAT: resolv.conf: nameserver 201.82.0.68
00:00:00.168476 nspr-2 NAT: resolv.conf: nameserver 2804:14c:414:672:201:82:0:51
00:00:00.168483 nspr-2 NAT: resolv.conf: too many nameserver lines, ignoring 2804:14c:417:672:201:82:0:56
00:00:00.168497 nspr-2 HostDnsMonitor: old information
00:00:00.168501 nspr-2 no server entries
00:00:00.168505 nspr-2 no domain set
00:00:00.168509 nspr-2 no search string entries
00:00:00.168513 nspr-2 HostDnsMonitor: new information
00:00:00.168516 nspr-2 server 1: 201.82.0.63
00:00:00.168521 nspr-2 server 2: 201.82.0.68
00:00:00.168525 nspr-2 server 3: 2804:14c:414:672:201:82:0:51
00:00:00.168529 nspr-2 no domain set
00:00:00.168532 nspr-2 no search string entries
00:00:00.168538 nspr-2 HostDnsMonitorProxy::notify
00:00:00.173217 nspr-2 VD: VDInit finished with VINF_SUCCESS
00:00:00.173350 nspr-2 ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={0eb668d2-495e-5a36-8890-29999b5f030c} aComponent={SystemPropertiesWrap} aText={Cannot determine default Guest Additions ISO location. Most likely they are not available}, preserve=false aResultDetail=0
00:00:00.177183 nspr-2 VirtualBox: object created
00:00:05.206037 main VirtualBox: object deletion starts
00:00:05.679427 Watcher ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={9570b9d5-f1a1-448a-10c5-e12f5285adad} aComponent={VirtualBoxWrap} aText={The object is not ready}, preserve=false aResultDetail=0
00:00:10.207025 main {00007f2dd4017c00} HostPowerServiceLinux::~HostPowerServiceLinux: RTThreadWait() for 5000 ms failed with VERR_TIMEOUT
00:00:10.208926 main VirtualBox: object deleted

Steps to reproduce:
Just try to launch virtualbox from console or by gnome menu