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Неожиданно сломался VirtualBox

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0

3

Доброго времени суток. Ночью закрыл виртуалбокс, а утром он отказался открываться:

[vanya@Cora ~]$ /usr/lib/virtualbox/VirtualBox
Segmentation fault (core dumped)

Пробовал всякое: обновил систему, перезагрузился, удалил и снова установил пакет. Система ArchLinux. Прикладываю логи.

journalctl

Oct 09 15:16:43 Cora audit[3956]: ANOM_ABEND auid=1000 uid=1000 gid=1000 ses=1 pid=3956 comm="VirtualBox" exe="/usr/lib/virtualbox/VirtualBox" sig=11 res=1
Oct 09 15:16:43 Cora kernel: traps: VirtualBox[3956] general protection fault ip:562008cdaafb sp:7ffe28a58800 error:0 in VirtualBox[562008c60000+159000]
Oct 09 15:16:43 Cora kernel: audit: type=1701 audit(1570623403.119:45): auid=1000 uid=1000 gid=1000 ses=1 pid=3956 comm="VirtualBox" exe="/usr/lib/virtualbox/VirtualBox" sig=11 res=1
Oct 09 15:16:43 Cora systemd[1]: Started Process Core Dump (PID 3978/UID 0).
Oct 09 15:16:43 Cora audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@4-3978-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Oct 09 15:16:43 Cora kernel: audit: type=1130 audit(1570623403.123:46): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@4-3978-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? add>
Oct 09 15:16:43 Cora systemd-coredump[3979]: Process 3956 (VirtualBox) of user 1000 dumped core.
                                             
                                             Stack trace of thread 3956:
                                             #0  0x0000562008cdaafb n/a (VirtualBox)
                                             #1  0x00007f12536b0f94 _Zls6QDebugPK20QAccessibleInterface (libQt5Gui.so.5)
                                             #2  0x00007f12536b2c06 _ZNK16QAccessibleCache6insertEP7QObjectP20QAccessibleInterface (libQt5Gui.so.5)
                                             #3  0x00007f12536ac3dd _ZN11QAccessible24queryAccessibleInterfaceEP7QObject (libQt5Gui.so.5)
                                             #4  0x00007f12536ace20 _ZNK16QAccessibleEvent19accessibleInterfaceEv (libQt5Gui.so.5)
                                             #5  0x00007f12536ad34d _ZN11QAccessible19updateAccessibilityEP16QAccessibleEvent (libQt5Gui.so.5)
                                             #6  0x00007f12530c0981 _ZN14QWidgetPrivate11show_helperEv (libQt5Widgets.so.5)
                                             #7  0x00007f12530c088c _ZN14QWidgetPrivate12showChildrenEb (libQt5Widgets.so.5)
                                             #8  0x00007f12530c0902 _ZN14QWidgetPrivate11show_helperEv (libQt5Widgets.so.5)
                                             #9  0x00007f12530c088c _ZN14QWidgetPrivate12showChildrenEb (libQt5Widgets.so.5)
                                             #10 0x00007f12530c0902 _ZN14QWidgetPrivate11show_helperEv (libQt5Widgets.so.5)
                                             #11 0x00007f12530c088c _ZN14QWidgetPrivate12showChildrenEb (libQt5Widgets.so.5)
                                             #12 0x00007f12530c0902 _ZN14QWidgetPrivate11show_helperEv (libQt5Widgets.so.5)
                                             #13 0x00007f12530c3bd5 _ZN14QWidgetPrivate10setVisibleEb (libQt5Widgets.so.5)
                                             #14 0x00007f12530c08a1 _ZN14QWidgetPrivate12showChildrenEb (libQt5Widgets.so.5)
                                             #15 0x00007f12530c0902 _ZN14QWidgetPrivate11show_helperEv (libQt5Widgets.so.5)
                                             #16 0x00007f12530c3bd5 _ZN14QWidgetPrivate10setVisibleEb (libQt5Widgets.so.5)
                                             #17 0x00007f12530c08a1 _ZN14QWidgetPrivate12showChildrenEb (libQt5Widgets.so.5)
                                             #18 0x00007f12530c0902 _ZN14QWidgetPrivate11show_helperEv (libQt5Widgets.so.5)
                                             #19 0x00007f12530c3bd5 _ZN14QWidgetPrivate10setVisibleEb (libQt5Widgets.so.5)
                                             #20 0x00007f12530c08a1 _ZN14QWidgetPrivate12showChildrenEb (libQt5Widgets.so.5)
                                             #21 0x00007f12530c0902 _ZN14QWidgetPrivate11show_helperEv (libQt5Widgets.so.5)
                                             #22 0x00007f12530c3bd5 _ZN14QWidgetPrivate10setVisibleEb (libQt5Widgets.so.5)
                                             #23 0x00007f12530c08a1 _ZN14QWidgetPrivate12showChildrenEb (libQt5Widgets.so.5)
                                             #24 0x00007f12530c0902 _ZN14QWidgetPrivate11show_helperEv (libQt5Widgets.so.5)
                                             #25 0x00007f12530c3bd5 _ZN14QWidgetPrivate10setVisibleEb (libQt5Widgets.so.5)
                                             #26 0x0000562008c9d408 n/a (VirtualBox)
                                             #27 0x0000562008c9d58c n/a (VirtualBox)
                                             #28 0x0000562008c805d9 n/a (VirtualBox)
                                             #29 0x00007f1253e6044a _ZN7QObject5eventEP6QEvent (libQt5Core.so.5)
                                             #30 0x00007f12530804f5 _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5)
                                             #31 0x00007f1253089e11 _ZN12QApplication6notifyEP7QObjectP6QEvent (libQt5Widgets.so.5)
                                             #32 0x00007f1253e339c2 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5)
                                             #33 0x00007f1253e36739 _ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData (libQt5Core.so.5)
                                             #34 0x00007f1253e8c404 n/a (libQt5Core.so.5)
                                             #35 0x00007f12518eb3fe g_main_context_dispatch (libglib-2.0.so.0)
                                             #36 0x00007f12518ed211 n/a (libglib-2.0.so.0)
                                             #37 0x00007f12518ed251 g_main_context_iteration (libglib-2.0.so.0)
                                             #38 0x00007f1253e8ba03 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
                                             #39 0x00007f1253e324ec _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
                                             #40 0x00007f1253e3a326 _ZN16QCoreApplication4execEv (libQt5Core.so.5)
                                             #41 0x0000562008c6a01c n/a (VirtualBox)
                                             #42 0x0000562008c678f2 n/a (VirtualBox)
                                             #43 0x00007f1252acd153 __libc_start_main (libc.so.6)
                                             #44 0x0000562008c6931e n/a (VirtualBox)
                                             
                                             Stack trace of thread 3973:
                                             #0  0x00007f125298cf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
                                             #1  0x00007f125415b452 n/a (VBoxXPCOM.so)
                                             #2  0x00007f125415b856 VBoxNsprPR_WaitCondVar (VBoxXPCOM.so)
                                             #3  0x00007f125415baf4 VBoxNsprPR_Wait (VBoxXPCOM.so)
                                             #4  0x00007f124c0223c2 n/a (VBoxXPCOMIPCC.so)
                                             #5  0x00007f124c023408 n/a (VBoxXPCOMIPCC.so)
                                             #6  0x00007f124c0291e8 n/a (VBoxXPCOMIPCC.so)
                                             #7  0x00007f1254156501 n/a (VBoxXPCOM.so)
                                             #8  0x00007f1254155943 n/a (VBoxXPCOM.so)
                                             #9  0x00007f1254abe75c _ZN12CEventSource8GetEventERK14CEventListeneri (VBoxGlobal.so)
                                             #10 0x00007f125488d2b8 n/a (VBoxGlobal.so)
                                             #11 0x00007f1253c655b0 n/a (libQt5Core.so.5)
                                             #12 0x00007f12529864cf start_thread (libpthread.so.0)
                                             #13 0x00007f1252ba52d3 __clone (libc.so.6)
                                             
                                             Stack trace of thread 3972:
                                             #0  0x00007f125298cf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
                                             #1  0x00007f125454348f RTSemEventWait (VBoxRT.so)
                                             #2  0x00007f1244796858 n/a (VBoxC.so)
                                             #3  0x00007f1254487d34 n/a (VBoxRT.so)
                                             #4  0x00007f12545404a1 n/a (VBoxRT.so)
                                             #5  0x00007f12529864cf start_thread (libpthread.so.0)
                                             #6  0x00007f1252ba52d3 __clone (libc.so.6)
                                             
                                             Stack trace of thread 3970:
                                             #0  0x00007f1252b9a9ef __poll (libc.so.6)
                                             #1  0x00007f125415db36 n/a (VBoxXPCOM.so)
                                             #2  0x00007f125415f5f2 VBoxNsprPR_Poll (VBoxXPCOM.so)
                                             #3  0x00007f124c02e10d n/a (VBoxXPCOMIPCC.so)
                                             #4  0x00007f125415a469 n/a (VBoxXPCOM.so)
                                             #5  0x00007f1254487d34 n/a (VBoxRT.so)
                                             #6  0x00007f12545404a1 n/a (VBoxRT.so)
                                             #7  0x00007f12529864cf start_thread (libpthread.so.0)
                                             #8  0x00007f1252ba52d3 __clone (libc.so.6)
                                             
                                             Stack trace of thread 3967:
                                             #0  0x00007f1252b9a9ef __poll (libc.so.6)
                                             #1  0x00007f1252069630 n/a (libxcb.so.1)
                                             #2  0x00007f125206b2db xcb_wait_for_event (libxcb.so.1)
                                             #3  0x00007f124e507101 n/a (libQt5XcbQpa.so.5)
                                             #4  0x00007f1253c655b0 n/a (libQt5Core.so.5)
                                             #5  0x00007f12529864cf start_thread (libpthread.so.0)
                                             #6  0x00007f1252ba52d3 __clone (libc.so.6)
                                             
                                             Stack trace of thread 3974:
                                             #0  0x00007f125298cf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
                                             #1  0x00007f125454348f RTSemEventWait (VBoxRT.so)
                                             #2  0x00007f12446fe69a n/a (VBoxC.so)
                                             #3  0x00007f12446fe87a n/a (VBoxC.so)
                                             #4  0x00007f1244867141 n/a (VBoxC.so)
                                             #5  0x00007f1254abe75c _ZN12CEventSource8GetEventERK14CEventListeneri (VBoxGlobal.so)
                                             #6  0x00007f125488d2b8 n/a (VBoxGlobal.so)
                                             #7  0x00007f1253c655b0 n/a (libQt5Core.so.5)
                                             #8  0x00007f12529864cf start_thread (libpthread.so.0)
                                             #9  0x00007f1252ba52d3 __clone (libc.so.6)
                                             
                                             Stack trace of thread 3977:
                                             #0  0x00007f125298cf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
                                             #1  0x00007f1253c6b5cc _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5)
                                             #2  0x00007f1253c6b719 _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5)
                                             #3  0x00007f12548bbcab _ZN12UIThreadPool11dequeueTaskEP14UIThreadWorker (VBoxGlobal.so)
                                             #4  0x00007f12548bbef3 n/a (VBoxGlobal.so)
                                             #5  0x00007f1253c655b0 n/a (libQt5Core.so.5)
                                             #6  0x00007f12529864cf start_thread (libpthread.so.0)
                                             #7  0x00007f1252ba52d3 __clone (libc.so.6)
                                             
                                             Stack trace of thread 3968:
                                             #0  0x00007f125298cc45 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                                             #1  0x00007f1246ec866c n/a (i965_dri.so)
                                             #2  0x00007f1246ec8268 n/a (i965_dri.so)
                                             #3  0x00007f12529864cf start_thread (libpthread.so.0)
                                             #4  0x00007f1252ba52d3 __clone (libc.so.6)
                                             
                                             Stack trace of thread 3969:
                                             #0  0x00007f1252b9a9ef __poll (libc.so.6)
                                             #1  0x00007f12518ed180 n/a (libglib-2.0.so.0)
                                             #2  0x00007f12518ed251 g_main_context_iteration (libglib-2.0.so.0)
                                             #3  0x00007f1253e8ba03 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
                                             #4  0x00007f1253e324ec _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
                                             #5  0x00007f1253c64385 _ZN7QThread4execEv (libQt5Core.so.5)
                                             #6  0x00007f124e3cfb37 n/a (libQt5DBus.so.5)
                                             #7  0x00007f1253c655b0 n/a (libQt5Core.so.5)
                                             #8  0x00007f12529864cf start_thread (libpthread.so.0)
                                             #9  0x00007f1252ba52d3 __clone (libc.so.6)
                                             
                                             Stack trace of thread 3976:
                                             #0  0x00007f125298cf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
                                             #1  0x00007f1253c6b5cc _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5)
                                             #2  0x00007f1253c6b719 _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5)
                                             #3  0x00007f12548bbcab _ZN12UIThreadPool11dequeueTaskEP14UIThreadWorker (VBoxGlobal.so)
                                             #4  0x00007f12548bbef3 n/a (VBoxGlobal.so)
                                             #5  0x00007f1253c655b0 n/a (libQt5Core.so.5)
                                             #6  0x00007f12529864cf start_thread (libpthread.so.0)
                                             #7  0x00007f1252ba52d3 __clone (libc.so.6)
                                             
                                             Stack trace of thread 3975:
                                             #0  0x00007f125298cf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
                                             #1  0x00007f1253c6b5cc _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5)
                                             #2  0x00007f1253c6b719 _ZN14QWaitCondition4waitEP6QMutexm (libQt5Core.so.5)
                                             #3  0x00007f12548bbcab _ZN12UIThreadPool11dequeueTaskEP14UIThreadWorker (VBoxGlobal.so)
                                             #4  0x00007f12548bbef3 n/a (VBoxGlobal.so)
                                             #5  0x00007f1253c655b0 n/a (libQt5Core.so.5)
                                             #6  0x00007f12529864cf start_thread (libpthread.so.0)
                                             #7  0x00007f1252ba52d3 __clone (libc.so.6)
                                             
                                             Stack trace of thread 3971:
                                             #0  0x00007f125298cc45 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                                             #1  0x00007f125415b8b1 VBoxNsprPR_WaitCondVar (VBoxXPCOM.so)
                                             #2  0x00007f125415baf4 VBoxNsprPR_Wait (VBoxXPCOM.so)
                                             #3  0x00007f124c02b521 n/a (VBoxXPCOMIPCC.so)
                                             #4  0x00007f1254148d65 n/a (VBoxXPCOM.so)
                                             #5  0x00007f125415a469 n/a (VBoxXPCOM.so)
                                             #6  0x00007f1254487d34 n/a (VBoxRT.so)
                                             #7  0x00007f12545404a1 n/a (VBoxRT.so)
                                             #8  0x00007f12529864cf start_thread (libpthread.so.0)
                                             #9  0x00007f1252ba52d3 __clone (libc.so.6)
Oct 09 15:16:43 Cora systemd[1]: systemd-coredump@4-3978-0.service: Succeeded.
Oct 09 15:16:43 Cora kernel: audit: type=1131 audit(1570623403.503:47): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@4-3978-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? add>
Oct 09 15:16:43 Cora audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@4-3978-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'

gdb

[vanya@Cora ~]$ gdb /usr/lib/virtualbox/VirtualBox
GNU gdb (GDB) 8.3.1
Copyright (C) 2019 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/lib/virtualbox/VirtualBox...
(No debugging symbols found in /usr/lib/virtualbox/VirtualBox)
(gdb) run
Starting program: /usr/lib/virtualbox/VirtualBox 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7ffff031e700 (LWP 3664)]
[Thread 0x7ffff031e700 (LWP 3664) exited]
[New Thread 0x7ffff031e700 (LWP 3665)]
[New Thread 0x7fffec9ab700 (LWP 3666)]
[New Thread 0x7fffe736b700 (LWP 3667)]
[New Thread 0x7fffec1aa700 (LWP 3668)]
[New Thread 0x7fffec129700 (LWP 3669)]
[Detaching after fork from child process 3671]
[New Thread 0x7fffe56f0700 (LWP 3687)]
[New Thread 0x7fffe566f700 (LWP 3688)]
[New Thread 0x7fffe4e6e700 (LWP 3689)]
[New Thread 0x7fffcffff700 (LWP 3691)]
[New Thread 0x7fffcf7fe700 (LWP 3692)]
[New Thread 0x7fffceffd700 (LWP 3693)]

Thread 1 "VirtualBox" received signal SIGSEGV, Segmentation fault.
0x0000555555645afb in ?? ()
(gdb) backtrace
#0  0x0000555555645afb in  ()
#1  0x00007ffff4b7af94 in operator<<(QDebug, QAccessibleInterface const*) () at /usr/lib/libQt5Gui.so.5
#2  0x00007ffff4b7cc06 in QAccessibleCache::insert(QObject*, QAccessibleInterface*) const () at /usr/lib/libQt5Gui.so.5
#3  0x00007ffff4b763dd in QAccessible::queryAccessibleInterface(QObject*) () at /usr/lib/libQt5Gui.so.5
#4  0x00007ffff4b76e20 in QAccessibleEvent::accessibleInterface() const () at /usr/lib/libQt5Gui.so.5
#5  0x00007ffff4b7734d in QAccessible::updateAccessibility(QAccessibleEvent*) () at /usr/lib/libQt5Gui.so.5
#6  0x00007ffff458a981 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5
#7  0x00007ffff458a88c in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#8  0x00007ffff458a902 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5
#9  0x00007ffff458a88c in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#10 0x00007ffff458a902 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5
#11 0x00007ffff458a88c in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#12 0x00007ffff458a902 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5
#13 0x00007ffff458dbd5 in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5
#14 0x00007ffff458a8a1 in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#15 0x00007ffff458a902 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5
#16 0x00007ffff458dbd5 in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5
#17 0x00007ffff458a8a1 in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#18 0x00007ffff458a902 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5
#19 0x00007ffff458dbd5 in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5
#20 0x00007ffff458a8a1 in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#21 0x00007ffff458a902 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5
#22 0x00007ffff458dbd5 in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5
#23 0x00007ffff458a8a1 in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#24 0x00007ffff458a902 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5
#25 0x00007ffff458dbd5 in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5
#26 0x0000555555608408 in  ()
#27 0x000055555560858c in  ()
#28 0x00005555555eb5d9 in  ()
#29 0x00007ffff532a44a in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#30 0x00007ffff454a4f5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#31 0x00007ffff4553e11 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#32 0x00007ffff52fd9c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#33 0x00007ffff5300739 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#34 0x00007ffff5356404 in  () at /usr/lib/libQt5Core.so.5
#35 0x00007ffff2db53fe in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#36 0x00007ffff2db7211 in  () at /usr/lib/libglib-2.0.so.0
#37 0x00007ffff2db7251 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#38 0x00007ffff5355a03 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#39 0x00007ffff52fc4ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#40 0x00007ffff5304326 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#41 0x00005555555d501c in  ()
#42 0x00005555555d28f2 in  ()
#43 0x00007ffff3f97153 in __libc_start_main () at /usr/lib/libc.so.6
#44 0x00005555555d431e in  ()
(gdb)

dmesg

[ 2296.178710] traps: VirtualBox[4076] general protection fault ip:560ea2ad1afb sp:7ffc7e5fa850 error:0 in VirtualBox[560ea2a57000+159000]
[ 2296.178735] audit: type=1701 audit(1570623749.363:48): auid=1000 uid=1000 gid=1000 ses=1 pid=4076 comm="VirtualBox" exe="/usr/lib/virtualbox/VirtualBox" sig=11 res=1
[ 2296.184067] audit: type=1130 audit(1570623749.366:49): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@5-4098-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[ 2296.587492] audit: type=1131 audit(1570623749.769:50): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@5-4098-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'