https://bugs.kde.org/show_bug.cgi?id=382847

            Bug ID: 382847
           Summary: listing desktop:// in kio_desktop crashes
           Product: dolphin
           Version: unspecified
          Platform: Compiled Sources
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-n...@kde.org
          Reporter: ase...@kde.org
                CC: elvis.angelac...@kde.org
  Target Milestone: ---

Application: dolphin (17.11.70)
 (Compiled from sources)
Qt Version: 5.9.2
Frameworks Version: 5.37.0
Operating System: Linux 3.10.0-514.26.2.el7.x86_64 x86_64

-- Information about the crash:
- What I was doing when the application crashed:

Opening desktop:/ in dolphin, or for that matter in a folderview in plamashell,
results in a crash. I am seeing this message quite often as well:

kf5.kio.core: UDSEntry for '.' not found, creating a default one. Please fix
the "kio_desktop" KIO slave

I am also seeing this on the http ioslave as well though, sooo. ..

Interestingly, `kioclient5 ls desktop:/` lists the contents of the desktop
folder just fine. Seems to be limited to graphical applications, even if
launched from the same terminal shell that kioclient5 is run from.

The crash can be reproduced every time.

-- Backtrace:
Application: Dolphin (dolphin), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fea3be2c900 (LWP 23556))]

Thread 4 (Thread 0x7fea33866700 (LWP 23557)):
#0  0x00007fea4431ee2d in poll () from /lib64/libc.so.6
#1  0x00007fea40d41262 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007fea40d42f6f in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007fea35843199 in ?? () from
/usr/plugins/platforms/../../lib/libQt5XcbQpa.so.5
#4  0x00007fea44ec1c1d in ?? () from /lib/libQt5Core.so.5
#5  0x00007fea41848dc5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fea4432976d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fea31dba700 (LWP 23558)):
#0  0x00007fea4431ee2d in poll () from /lib64/libc.so.6
#1  0x00007fea4022b04c in g_main_context_iterate.isra.24 () from
/lib64/libglib-2.0.so.0
#2  0x00007fea4022b16c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x00007fea450d426b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/libQt5Core.so.5
#4  0x00007fea45081d1b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/libQt5Core.so.5
#5  0x00007fea44ebd4fa in QThread::exec() () from /lib/libQt5Core.so.5
#6  0x00007fea4c7364c5 in ?? () from /lib/libQt5DBus.so.5
#7  0x00007fea44ec1c1d in ?? () from /lib/libQt5Core.so.5
#8  0x00007fea41848dc5 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fea4432976d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fea29129700 (LWP 23559)):
#0  0x00007fea4431ac4d in read () from /lib64/libc.so.6
#1  0x00007fea4026c5d0 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007fea4022ab99 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007fea4022afd0 in g_main_context_iterate.isra.24 () from
/lib64/libglib-2.0.so.0
#4  0x00007fea4022b16c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#5  0x00007fea450d426b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/libQt5Core.so.5
#6  0x00007fea45081d1b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/libQt5Core.so.5
#7  0x00007fea44ebd4fa in QThread::exec() () from /lib/libQt5Core.so.5
#8  0x00007fea44ec1c1d in ?? () from /lib/libQt5Core.so.5
#9  0x00007fea41848dc5 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fea4432976d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fea3be2c900 (LWP 23556)):
[KCrash Handler]
#6  0x00007fea442671d7 in raise () from /lib64/libc.so.6
#7  0x00007fea442688c8 in abort () from /lib64/libc.so.6
#8  0x00007fea44eadb9e in QMessageLogger::fatal(char const*, ...) const () from
/lib/libQt5Core.so.5
#9  0x00007fea44ea9176 in qt_assert(char const*, char const*, int) () from
/lib/libQt5Core.so.5
#10 0x00007fea495eb43e in KCoreDirListerCache::slotEntries (this=0x7fea498a0b60
<(anonymous namespace)::Q_QGS_kDirListerCache::innerFunction()::holder>,
job=0x1a9e200, entries=...) at
/home/aseigo/src/kde/frameworks/kio/src/core/kcoredirlister.cpp:1239
#11 0x00007fea495f760b in KCoreDirListerCache::qt_static_metacall
(_o=0x7fea498a0b60 <(anonymous
namespace)::Q_QGS_kDirListerCache::innerFunction()::holder>,
_c=QMetaObject::InvokeMetaMethod, _id=7, _a=0x7ffea98540c0) at
/home/aseigo/src/kde/build/frameworks/kio/src/core/KF5KIOCore_autogen/include/moc_kcoredirlister_p.cpp:135
#12 0x00007fea450acedf in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib/libQt5Core.so.5
#13 0x00007fea495a1d3f in KIO::ListJob::entries (this=0x1a9e200, _t1=0x1a9e200,
_t2=...) at
/home/aseigo/src/kde/build/frameworks/kio/src/core/KF5KIOCore_autogen/include/moc_listjob.cpp:267
#14 0x00007fea495a09cf in KIO::ListJobPrivate::slotListEntries (this=0x1ac3980,
list=...) at /home/aseigo/src/kde/frameworks/kio/src/core/listjob.cpp:151
#15 0x00007fea495a1861 in KIO::ListJob::qt_static_metacall (_o=0x1a9e200,
_c=QMetaObject::InvokeMetaMethod, _id=7, _a=0x7ffea98545b0) at
/home/aseigo/src/kde/build/frameworks/kio/src/core/KF5KIOCore_autogen/include/moc_listjob.cpp:132
#16 0x00007fea450acedf in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib/libQt5Core.so.5
#17 0x00007fea4958dc71 in KIO::SlaveInterface::listEntries (this=0x1608970,
_t1=...) at
/home/aseigo/src/kde/build/frameworks/kio/src/core/KF5KIOCore_autogen/include/moc_slaveinterface.cpp:440
#18 0x00007fea4958bca4 in KIO::SlaveInterface::dispatch (this=0x1608970,
_cmd=106, rawdata=...) at
/home/aseigo/src/kde/frameworks/kio/src/core/slaveinterface.cpp:177
#19 0x00007fea4958b842 in KIO::SlaveInterface::dispatch (this=0x1608970) at
/home/aseigo/src/kde/frameworks/kio/src/core/slaveinterface.cpp:89
#20 0x00007fea4958fa9b in KIO::Slave::gotInput (this=0x1608970) at
/home/aseigo/src/kde/frameworks/kio/src/core/slave.cpp:399
#21 0x00007fea4961e557 in KIO::Slave::qt_static_metacall (_o=0x1608970,
_c=QMetaObject::InvokeMetaMethod, _id=2, _a=0x7ffea98549c0) at
/home/aseigo/src/kde/build/frameworks/kio/src/core/KF5KIOCore_autogen/EWIEGA46WW/moc_slave.cpp:89
#22 0x00007fea450acedf in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib/libQt5Core.so.5
#23 0x00007fea4953560d in KIO::Connection::readyRead (this=0x1b60710) at
/home/aseigo/src/kde/build/frameworks/kio/src/core/KF5KIOCore_autogen/include/moc_connection_p.cpp:144
#24 0x00007fea49534283 in KIO::ConnectionPrivate::dequeue (this=0x1b60ec0) at
/home/aseigo/src/kde/frameworks/kio/src/core/connection.cpp:46
#25 0x00007fea4953543b in KIO::Connection::qt_static_metacall (_o=0x1b60710,
_c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x1b5ff90) at
/home/aseigo/src/kde/build/frameworks/kio/src/core/KF5KIOCore_autogen/include/moc_connection_p.cpp:87
#26 0x00007fea450ae826 in QObject::event(QEvent*) () from /lib/libQt5Core.so.5
#27 0x00007fea46319afc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/libQt5Widgets.so.5
#28 0x00007fea46320840 in QApplication::notify(QObject*, QEvent*) () from
/lib/libQt5Widgets.so.5
#29 0x00007fea45083a25 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/libQt5Core.so.5
#30 0x00007fea45086003 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib/libQt5Core.so.5
#31 0x00007fea450d4a23 in ?? () from /lib/libQt5Core.so.5
#32 0x00007fea4022ad7a in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#33 0x00007fea4022b0b8 in g_main_context_iterate.isra.24 () from
/lib64/libglib-2.0.so.0
#34 0x00007fea4022b16c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#35 0x00007fea450d424c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/libQt5Core.so.5
#36 0x00007fea45081d1b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/libQt5Core.so.5
#37 0x00007fea4508a2e4 in QCoreApplication::exec() () from /lib/libQt5Core.so.5
#38 0x00007fea4c2e423b in kdemain () from /lib64/libkdeinit5_dolphin.so
#39 0x0000000000400baf in main ()

Reported using DrKonqi

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