Application: dolphin (17.12.3)

Qt Version: 5.9.5
Frameworks Version: 5.47.0
Operating System: Linux 4.15.0-62-generic x86_64
Distribution: Ubuntu 18.04.3 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Moving files from my documents folder inside a virtualbox guest to a shared folder on my windows host.

The crash can be reproduced every time.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f504f696480 (LWP 13708))]

Thread 8 (Thread 0x7f500f578700 (LWP 13716)):
#0  0x00007f504ef15bf9 in __GI___poll (fds=0x7f50080049b0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f5041e6e5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5041e6e6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f504912899b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f50490cd9fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f5048eec23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f5048ef117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f5043fe06db in start_thread (arg=0x7f500f578700) at pthread_create.c:463
#8  0x00007f504ef2288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f501ffff700 (LWP 13715)):
#0  0x00007f5043fe69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55807ab0e178) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f5043fe69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55807ab0e128, cond=0x55807ab0e150) at pthread_cond_wait.c:502
#2  0x00007f5043fe69f3 in __pthread_cond_wait (cond=0x55807ab0e150, mutex=0x55807ab0e128) at pthread_cond_wait.c:655
#3  0x00007f502e8142bb in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007f502e813d97 in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007f5043fe06db in start_thread (arg=0x7f501ffff700) at pthread_create.c:463
#6  0x00007f504ef2288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f502c822700 (LWP 13714)):
#0  0x00007f5043fe69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55807ab0e018) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f5043fe69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55807ab0dfc8, cond=0x55807ab0dff0) at pthread_cond_wait.c:502
#2  0x00007f5043fe69f3 in __pthread_cond_wait (cond=0x55807ab0dff0, mutex=0x55807ab0dfc8) at pthread_cond_wait.c:655
#3  0x00007f502e8142bb in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007f502e813d97 in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007f5043fe06db in start_thread (arg=0x7f502c822700) at pthread_create.c:463
#6  0x00007f504ef2288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f502d023700 (LWP 13713)):
#0  0x00007f5043fe69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55807ab0deb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f5043fe69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55807ab0de68, cond=0x55807ab0de90) at pthread_cond_wait.c:502
#2  0x00007f5043fe69f3 in __pthread_cond_wait (cond=0x55807ab0de90, mutex=0x55807ab0de68) at pthread_cond_wait.c:655
#3  0x00007f502e8142bb in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007f502e813d97 in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007f5043fe06db in start_thread (arg=0x7f502d023700) at pthread_create.c:463
#6  0x00007f504ef2288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f502d824700 (LWP 13712)):
#0  0x00007f5043fe69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55807ab0dd58) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f5043fe69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55807ab0dd08, cond=0x55807ab0dd30) at pthread_cond_wait.c:502
#2  0x00007f5043fe69f3 in __pthread_cond_wait (cond=0x55807ab0dd30, mutex=0x55807ab0dd08) at pthread_cond_wait.c:655
#3  0x00007f502e8142bb in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007f502e813d97 in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007f5043fe06db in start_thread (arg=0x7f502d824700) at pthread_create.c:463
#6  0x00007f504ef2288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f5035e0e700 (LWP 13711)):
#0  0x00007f504ef110b4 in __GI___libc_read (fd=7, buf=0x7f5035e0db60, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f5041eb32d0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5041e6e0b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5041e6e570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5041e6e6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f504912899b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f50490cd9fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f5048eec23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50495a5d45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f5048ef117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f5043fe06db in start_thread (arg=0x7f5035e0e700) at pthread_create.c:463
#11 0x00007f504ef2288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f5038555700 (LWP 13710)):
#0  0x00007f504ef15bf9 in __GI___poll (fds=0x7f5038554ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f50417ae747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f50417b036a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f503b3025e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f5048ef117d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f5043fe06db in start_thread (arg=0x7f5038555700) at pthread_create.c:463
#6  0x00007f504ef2288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f504f696480 (LWP 13708)):
[KCrash Handler]
#6  0x00007f50490fbee4 in QObject::thread() const () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f5049100a5a in QObject::killTimer(int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f504910b321 in QTimer::stop() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f504910b39f in QTimer::start() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f504d427939 in  () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#11 0x00007f504d42809a in  () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#12 0x00007f504d42a1eb in KIO::CopyJob::slotResult(KJob*) () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#13 0x00007f50490fe75f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f504aa8103c in KJob::result(KJob*, KJob::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#15 0x00007f504aa81b71 in KJob::finishJob(bool) () at /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#16 0x00007f504d46afa9 in KIO::FileCopyJob::slotResult(KJob*) () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#17 0x00007f50490fe75f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f504aa8103c in KJob::result(KJob*, KJob::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#19 0x00007f504aa81b71 in KJob::finishJob(bool) () at /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#20 0x00007f504d47a2e8 in KIO::SimpleJob::slotFinished() () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#21 0x00007f504d47869b in KIO::SimpleJob::slotError(int, QString const&) () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#22 0x00007f50490fe75f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f504d44fe86 in KIO::SlaveInterface::error(int, QString const&) () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#24 0x00007f504d453f22 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#25 0x00007f504d450507 in KIO::SlaveInterface::dispatch() () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#26 0x00007f504d455a01 in KIO::Slave::gotInput() () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#27 0x00007f50490fe645 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f504d3f8f69 in  () at /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#29 0x00007f50490ff1b2 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f504a0d783c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f504a0df104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007f50490cf9c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f50490d213d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f5049129353 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f5041e6e417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f5041e6e650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f5041e6e6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f504912897f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007f50490cd9fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007f504a2c1f17 in QDialog::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007f504b8ce68a in KMessageBox::createKMessageBox(QDialog*, QDialogButtonBox*, QIcon const&, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&, QMessageBox::Icon) () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#42 0x00007f504b8ce888 in KMessageBox::createKMessageBox(QDialog*, QDialogButtonBox*, QMessageBox::Icon, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&) () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#43 0x00007f504b8d22da in  () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#44 0x00007f504b8d27bf in  () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#45 0x00007f504d97a345 in  () at /usr/lib/x86_64-linux-gnu/libKF5JobWidgets.so.5
#46 0x00007f50490ff1b2 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#47 0x00007f504a0d783c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#48 0x00007f504a0df104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#49 0x00007f50490cf9c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#50 0x00007f50490d213d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#51 0x00007f5049129353 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#52 0x00007f5041e6e417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007f5041e6e650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007f5041e6e6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007f504912897f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x00007f50490cd9fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x00007f50490d6aa4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#58 0x00007f504f235baa in kdemain () at /usr/lib/x86_64-linux-gnu/libkdeinit5_dolphin.so
#59 0x00007f504ee22b97 in __libc_start_main (main=0x558078bc1730, argc=1, argv=0x7ffd04f6dd78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd04f6dd68) at ../csu/libc-start.c:310
#60 0x0000558078bc176a in _start ()

Reported using DrKonqi