Bug 406018

Application: gwenview (19.07.70)

Qt Version: 5.12.0
Frameworks Version: 5.57.0
Operating System: Linux 4.15.0-46-generic x86_64
Distribution: KDE neon Unstable Edition

-- Information about the crash:
- What I was doing when the application crashed:
open gwenview
click "Network" on the right side
double-click on "Shared folders (SMB)"
crash...

The crash can be reproduced every time.

-- Backtrace:
Application: Gwenview (gwenview), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f22695a08c0 (LWP 1749))]

Thread 3 (Thread 0x7f223b3c7700 (LWP 1752)):
#0  0x00007f225e5729f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x56497b5b4b28) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x56497b5b4ad8, cond=0x56497b5b4b00) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x56497b5b4b00, mutex=0x56497b5b4ad8) at pthread_cond_wait.c:655
#3  0x00007f223b6e4dcb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f223b6e4af7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f225e56c6db in start_thread (arg=0x7f223b3c7700) at pthread_create.c:463
#6  0x00007f226441188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f224caba700 (LWP 1750)):
#0  update_get_addr (ti=0x7f2265198670) at ../elf/dl-tls.c:798
#1  0x00007f22693f6a28 in __tls_get_addr () at ../sysdeps/x86_64/tls_get_addr.S:55
#2  0x00007f2264b10b76 in get_thread_data () at thread/qthread_unix.cpp:184
#3  QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:239
#4  0x00007f2264d4703a in postEventSourcePrepare (s=0x7f2248004fd0, timeout=0x7f224cab9ae4) at kernel/qeventdispatcher_glib.cpp:252
#5  0x00007f225ca66a98 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f225ca6746b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f225ca6764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f2264d4715b in QEventDispatcherGlib::processEvents (this=0x7f2248000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#9  0x00007f2264ce864a in QEventLoop::exec (this=this@entry=0x7f224cab9cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#10 0x00007f2264b1041a in QThread::exec (this=this@entry=0x7f226360cd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:531
#11 0x00007f2263395015 in QDBusConnectionManager::run (this=0x7f226360cd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#12 0x00007f2264b11bc2 in QThreadPrivate::start (arg=0x7f226360cd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:361
#13 0x00007f225e56c6db in start_thread (arg=0x7f224caba700) at pthread_create.c:463
#14 0x00007f226441188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f22695a08c0 (LWP 1749)):
[KCrash Handler]
#7  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#8  0x00007f2264330801 in __GI_abort () at abort.c:79
#9  0x00007f2267e50435 in KCoreDirListerCache::printDebug (this=this@entry=0x7f22680c63a0 <(anonymous namespace)::Q_QGS_kDirListerCache::innerFunction()::holder>) at ./src/core/kcoredirlister.cpp:2089
#10 0x00007f2267e5c3a9 in KCoreDirListerCache::slotUpdateResult (this=0x7f22680c63a0 <(anonymous namespace)::Q_QGS_kDirListerCache::innerFunction()::holder>, j=<optimized out>) at ./src/core/kcoredirlister.cpp:1735
#11 0x00007f2264d19f3f in QtPrivate::QSlotObjectBase::call (a=0x7fff076e92b0, r=0x7f22680c63a0 <(anonymous namespace)::Q_QGS_kDirListerCache::innerFunction()::holder>, this=0x56497be48c70) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#12 QMetaObject::activate (sender=0x56497be29de0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3759
#13 0x00007f2265439dfc in KJob::result(KJob*, KJob::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#14 0x00007f226543a931 in KJob::finishJob(bool) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#15 0x00007f2267e0d730 in KIO::SimpleJob::slotFinished (this=this@entry=0x56497be29de0) at ./src/core/simplejob.cpp:232
#16 0x00007f2267e02a4b in KIO::ListJob::slotFinished (this=0x56497be29de0) at ./src/core/listjob.cpp:247
#17 0x00007f2264d19f3f in QtPrivate::QSlotObjectBase::call (a=0x7fff076e94f0, r=0x56497be29de0, this=0x56497be80f80) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#18 QMetaObject::activate (sender=sender@entry=0x56497be3ffc0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x0) at kernel/qobject.cpp:3759
#19 0x00007f2264d1a4f7 in QMetaObject::activate (sender=sender@entry=0x56497be3ffc0, m=m@entry=0x7f22680c0620 <KIO::SlaveInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x0) at kernel/qobject.cpp:3631
#20 0x00007f2267de1063 in KIO::SlaveInterface::finished (this=this@entry=0x56497be3ffc0) at ./obj-x86_64-linux-gnu/src/core/KF5KIOCore_autogen/include/moc_slaveinterface.cpp:441
#21 0x00007f2267de50b4 in KIO::SlaveInterface::dispatch (this=0x56497be3ffc0, _cmd=<optimized out>, rawdata=...) at ./src/core/slaveinterface.cpp:160
#22 0x00007f2267de17b8 in KIO::SlaveInterface::dispatch (this=0x56497be3ffc0) at ./src/core/slaveinterface.cpp:89
#23 0x00007f2267de7ae1 in KIO::Slave::gotInput (this=0x56497be3ffc0) at ./src/core/slave.cpp:406
#24 0x00007f2264d19f3f in QtPrivate::QSlotObjectBase::call (a=0x7fff076e9790, r=0x56497be3ffc0, this=0x56497be31000) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#25 QMetaObject::activate (sender=0x56497be0b600, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3759
#26 0x00007f2264d1a4f7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f22680bf380 <KIO::Connection::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3631
#27 0x00007f2267d88de9 in KIO::Connection::readyRead (this=<optimized out>) at ./obj-x86_64-linux-gnu/src/core/KF5KIOCore_autogen/include/moc_connection_p.cpp:147
#28 KIO::ConnectionPrivate::dequeue (this=0x56497bc34b40) at ./src/core/connection.cpp:46
#29 0x00007f2264d1a992 in QObject::event (this=0x56497be0b600, e=<optimized out>) at kernel/qobject.cpp:1249
#30 0x00007f22664ca83c in QApplicationPrivate::notify_helper (this=this@entry=0x56497b4a92c0, receiver=receiver@entry=0x56497be0b600, e=e@entry=0x56497ba8b510) at kernel/qapplication.cpp:3752
#31 0x00007f22664d1dd0 in QApplication::notify (this=0x7fff076e9ea0, receiver=0x56497be0b600, e=0x56497ba8b510) at kernel/qapplication.cpp:3499
#32 0x00007f2264cea328 in QCoreApplication::notifyInternal2 (receiver=0x56497be0b600, event=0x56497ba8b510) at kernel/qcoreapplication.cpp:1061
#33 0x00007f2264cea4fe in QCoreApplication::sendEvent (receiver=<optimized out>, event=event@entry=0x56497ba8b510) at kernel/qcoreapplication.cpp:1451
#34 0x00007f2264cece87 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x56497b49ed80) at kernel/qcoreapplication.cpp:1800
#35 0x00007f2264ced428 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1654
#36 0x00007f2264d47b23 in postEventSourceDispatch (s=0x56497b525370) at kernel/qeventdispatcher_glib.cpp:276
#37 0x00007f225ca67387 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f225ca675c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f225ca6764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f2264d4713f in QEventDispatcherGlib::processEvents (this=0x56497b4fe750, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#41 0x00007f2264ce864a in QEventLoop::exec (this=this@entry=0x7fff076e9da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#42 0x00007f2264cf1800 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1364
#43 0x000056497ac2a7d1 in main (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:163

Reported using DrKonqi