Application: dolphin (15.12.3)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-97-generic x86_64
Distribution: Ubuntu 16.04.3 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Dolphin crashed when I changed tab after dragging-dropping a folrder from one tab to another.

-- 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 0x7fe062df38c0 (LWP 19263))]

Thread 3 (Thread 0x7fe0547f6700 (LWP 19271)):
#0  0x00007fe0746a370d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fe06ae9638c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe06ae9649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe06f4ab7eb in QEventDispatcherGlib::processEvents (this=0x7fe04c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fe06f452b4a in QEventLoop::exec (this=this@entry=0x7fe0547f5d00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fe06f26f834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fe06f2747be in QThreadPrivate::start (arg=0x104d0a0) at thread/qthread_unix.cpp:331
#7  0x00007fe06ba226ba in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007fe0746af3dd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7fe0600af700 (LWP 19267)):
#0  0x00007fe0746a370d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fe068dfac62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fe068dfc8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fe062a33889 in QXcbEventReader::run (this=0xb337f0) at qxcbconnection.cpp:1271
#4  0x00007fe06f2747be in QThreadPrivate::start (arg=0xb337f0) at thread/qthread_unix.cpp:331
#5  0x00007fe06ba226ba in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fe0746af3dd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7fe062df38c0 (LWP 19263)):
[KCrash Handler]
#6  0x00007fe07462c512 in free () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x00007fe06f481676 in QObjectPrivate::Connection::~Connection (this=0x183bd50, __in_chrg=<optimized out>) at kernel/qobject.cpp:1039
#8  0x00007fe06f485a49 in QObjectPrivate::Connection::deref (this=0x183bd50) at kernel/qobject_p.h:150
#9  QObjectPrivate::cleanConnectionLists (this=0xfbc060) at kernel/qobject.cpp:420
#10 0x00007fe06f485b26 in QObjectPrivate::addConnection (this=0xfbc060, signal=signal@entry=15, c=0x16b1e70) at kernel/qobject.cpp:382
#11 0x00007fe06f4863a0 in QMetaObjectPrivate::connect (sender=0x1044420, signal_index=15, smeta=<optimized out>, receiver=0xf7c890, method_index=3, rmeta=<optimized out>, type=0, types=0x0) at kernel/qobject.cpp:3264
#12 0x00007fe06f48a64b in QObject::connect (sender=sender@entry=0x1044420, signal=<optimized out>, signal@entry=0x7fe072834e15 "2metaData(KIO::MetaData)", receiver=receiver@entry=0xf7c890, method=<optimized out>, method@entry=0x7fe072834df8 "1slotMetaData(KIO::MetaData)", type=type@entry=Qt::AutoConnection) at kernel/qobject.cpp:2722
#13 0x00007fe0727c2f60 in QObject::connect (atype=Qt::AutoConnection, amember=0x7fe072834df8 "1slotMetaData(KIO::MetaData)", asignal=0x7fe072834e15 "2metaData(KIO::MetaData)", asender=0x1044420, this=0xf7c890) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject.h:477
#14 KIO::SimpleJobPrivate::start (this=0xf94e10, slave=0x1044420) at /build/kio-p2Dbm5/kio-5.18.0/src/core/simplejob.cpp:131
#15 0x00007fe0727d577a in startJob (slave=0x1044420, job=0xf7c890) at /build/kio-p2Dbm5/kio-5.18.0/src/core/scheduler.cpp:60
#16 KIO::ProtoQueue::startAJob (this=0x1086540) at /build/kio-p2Dbm5/kio-5.18.0/src/core/scheduler.cpp:622
#17 0x00007fe06f483d2a in QMetaObject::activate (sender=sender@entry=0x1086598, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3713
#18 0x00007fe06f484537 in QMetaObject::activate (sender=sender@entry=0x1086598, m=m@entry=0x7fe06f69e840 <QTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3578
#19 0x00007fe06f503400 in QTimer::timeout (this=this@entry=0x1086598) at .moc/moc_qtimer.cpp:197
#20 0x00007fe06f4905c8 in QTimer::timerEvent (this=0x1086598, e=<optimized out>) at kernel/qtimer.cpp:247
#21 0x00007fe06f484bb3 in QObject::event (this=0x1086598, e=<optimized out>) at kernel/qobject.cpp:1261
#22 0x00007fe06ff5805c in QApplicationPrivate::notify_helper (this=this@entry=0xb190e0, receiver=receiver@entry=0x1086598, e=e@entry=0x7ffc640ced60) at kernel/qapplication.cpp:3716
#23 0x00007fe06ff5d516 in QApplication::notify (this=0x7ffc640cf0d0, receiver=0x1086598, e=0x7ffc640ced60) at kernel/qapplication.cpp:3499
#24 0x00007fe06f45538b in QCoreApplication::notifyInternal (this=0x7ffc640cf0d0, receiver=0x1086598, event=event@entry=0x7ffc640ced60) at kernel/qcoreapplication.cpp:965
#25 0x00007fe06f4aa5ed in QCoreApplication::sendEvent (event=0x7ffc640ced60, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#26 QTimerInfoList::activateTimers (this=0xb5fdb0) at kernel/qtimerinfo_unix.cpp:637
#27 0x00007fe06f4aaaf1 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#28 0x00007fe06ae96197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fe06ae963f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fe06ae9649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fe06f4ab7cf in QEventDispatcherGlib::processEvents (this=0xb54da0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#32 0x00007fe06f452b4a in QEventLoop::exec (this=this@entry=0x7ffc640cefa0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#33 0x00007fe06f45abec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#34 0x00007fe06f99ebfc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1542
#35 0x00007fe06ff54495 in QApplication::exec () at kernel/qapplication.cpp:2976
#36 0x00007fe0749cfe2b in kdemain (argc=2, argv=<optimized out>) at /build/dolphin-HvGmRr/dolphin-15.12.3/src/main.cpp:150
#37 0x00007fe0745c8830 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#38 0x0000000000400749 in _start ()

Possible duplicates by query: bug 376625, bug 375161.

Reported using DrKonqi