Bug 447907

Application: dolphin (21.12.0)

Qt Version: 5.15.3
Frameworks Version: 5.90.0
Operating System: Linux 5.15.8-76051508-generic x86_64
Windowing System: X11
Distribution: KDE neon Testing Edition
DrKonqi: 5.23.4 [KCrashBackend]

-- Information about the crash:
- What I was doing when the application crashed:
Creating a folder on my Nextcloud server through webdav.  The folder did show up, however.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault

[New LWP 79676]
[New LWP 79677]
[New LWP 79682]
[New LWP 80564]
[New LWP 80565]
[New LWP 80566]
[New LWP 80567]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007fb1ba351aff in __GI___poll (fds=0x7ffee1eaeef8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
[Current thread is 1 (Thread 0x7fb1b58fa9c0 (LWP 79674))]

Thread 8 (Thread 0x7fb1a55ac700 (LWP 80567)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fb1a55abb50, clockid=<optimized out>, expected=0, futex_word=0x561321975b40) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fb1a55abb50, clockid=<optimized out>, mutex=0x561321975af0, cond=0x561321975b18) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x561321975b18, mutex=0x561321975af0, abstime=0x7fb1a55abb50) at pthread_cond_wait.c:656
#3  0x00007fb1ba6e4588 in QWaitConditionPrivate::wait_relative (this=0x561321975af0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x561321975af0) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x5613217f3590, mutex=mutex@entry=0x5613219f46a8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007fb1ba6e1a91 in QThreadPoolThread::run (this=0x5613217f3580) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007fb1ba6de47c in QThreadPrivate::start (arg=0x5613217f3580) at thread/qthread_unix.cpp:329
#8  0x00007fb1b8eac609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fb1ba35e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fb1ad3df700 (LWP 80566)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fb1ad3deb50, clockid=<optimized out>, expected=0, futex_word=0x56132194bec0) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fb1ad3deb50, clockid=<optimized out>, mutex=0x56132194be70, cond=0x56132194be98) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x56132194be98, mutex=0x56132194be70, abstime=0x7fb1ad3deb50) at pthread_cond_wait.c:656
#3  0x00007fb1ba6e4588 in QWaitConditionPrivate::wait_relative (this=0x56132194be70, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x56132194be70) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x561321853960, mutex=mutex@entry=0x5613219f46a8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007fb1ba6e1a91 in QThreadPoolThread::run (this=0x561321853950) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007fb1ba6de47c in QThreadPrivate::start (arg=0x561321853950) at thread/qthread_unix.cpp:329
#8  0x00007fb1b8eac609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fb1ba35e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fb1a5dad700 (LWP 80565)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fb1a5dacb50, clockid=<optimized out>, expected=0, futex_word=0x5613217fb4b0) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fb1a5dacb50, clockid=<optimized out>, mutex=0x5613217fb460, cond=0x5613217fb488) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x5613217fb488, mutex=0x5613217fb460, abstime=0x7fb1a5dacb50) at pthread_cond_wait.c:656
#3  0x00007fb1ba6e4588 in QWaitConditionPrivate::wait_relative (this=0x5613217fb460, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x5613217fb460) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x56132199dd70, mutex=mutex@entry=0x5613219f46a8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007fb1ba6e1a91 in QThreadPoolThread::run (this=0x56132199dd60) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007fb1ba6de47c in QThreadPrivate::start (arg=0x56132199dd60) at thread/qthread_unix.cpp:329
#8  0x00007fb1b8eac609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fb1ba35e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fb1acbde700 (LWP 80564)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fb1acbddb50, clockid=<optimized out>, expected=0, futex_word=0x5613217f4660) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fb1acbddb50, clockid=<optimized out>, mutex=0x5613217f4610, cond=0x5613217f4638) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x5613217f4638, mutex=0x5613217f4610, abstime=0x7fb1acbddb50) at pthread_cond_wait.c:656
#3  0x00007fb1ba6e4588 in QWaitConditionPrivate::wait_relative (this=0x5613217f4610, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x5613217f4610) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this@entry=0x561321721510, mutex=mutex@entry=0x5613219f46a8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007fb1ba6e1a91 in QThreadPoolThread::run (this=0x561321721500) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007fb1ba6de47c in QThreadPrivate::start (arg=0x561321721500) at thread/qthread_unix.cpp:329
#8  0x00007fb1b8eac609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fb1ba35e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fb1a4dab700 (LWP 79682)):
#0  0x00007fb1ba6de9a0 in QMutex::lock (this=this@entry=0x561321715d00) at /usr/include/c++/9/bits/atomic_base.h:769
#1  0x00007fb1ba91fd29 in QMutexLocker::QMutexLocker (m=0x561321715d00, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:238
#2  QThreadData::canWaitLocked (this=0x561321715cd0) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:272
#3  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7fb194004fe0) at kernel/qeventdispatcher_glib.cpp:260
#4  postEventSourceCheck (source=0x7fb194004fe0) at kernel/qeventdispatcher_glib.cpp:270
#5  0x00007fb1b8430da1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fb1b8431312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fb1b84314a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fb1ba91f64b in QEventDispatcherGlib::processEvents (this=0x7fb194000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#9  0x00007fb1ba8c38cb in QEventLoop::exec (this=this@entry=0x7fb1a4daabe0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#10 0x00007fb1ba6dd2e2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#11 0x00007fb1ba6de47c in QThreadPrivate::start (arg=0x5613217f1c20) at thread/qthread_unix.cpp:329
#12 0x00007fb1b8eac609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#13 0x00007fb1ba35e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fb1afe74700 (LWP 79677)):
#0  0x00007fb1ba351aff in __GI___poll (fds=0x7fb1a80151b0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb1b843136e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb1b84314a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb1ba91f64b in QEventDispatcherGlib::processEvents (this=0x7fb1a8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fb1ba8c38cb in QEventLoop::exec (this=this@entry=0x7fb1afe73bb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007fb1ba6dd2e2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007fb1bb974f4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fb1ba6de47c in QThreadPrivate::start (arg=0x7fb1bb9f8d80) at thread/qthread_unix.cpp:329
#8  0x00007fb1b8eac609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fb1ba35e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fb1b4b04700 (LWP 79676)):
#0  0x00007fb1ba351aff in __GI___poll (fds=0x7fb1b4b03ae8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb1b8ee0c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fb1b8ee290a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fb1b5235e88 in QXcbEventQueue::run (this=0x561321399cd0) at qxcbeventqueue.cpp:228
#4  0x00007fb1ba6de47c in QThreadPrivate::start (arg=0x561321399cd0) at thread/qthread_unix.cpp:329
#5  0x00007fb1b8eac609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb1ba35e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fb1b58fa9c0 (LWP 79674)):
[KCrash Handler]
#4  QString::QString (other=..., this=0x7ffee1eafc18) at ../../include/QtCore/../../src/corelib/text/qstring.h:1093
#5  QWidgetLineControl::text (this=0x31) at ../../include/QtWidgets/5.15.3/QtWidgets/private/../../../../../src/widgets/widgets/qwidgetlinecontrol_p.h:241
#6  QLineEdit::text (this=<optimized out>) at widgets/qlineedit.cpp:312
#7  0x00007fb1bc9bde8c in ?? () from /lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#8  0x00007fb1ba8fbdfe in QtPrivate::QSlotObjectBase::call (a=0x7ffee1eafde0, r=0x5613218bce50, this=0x561322cb5da0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#9  doActivate<false> (sender=0x561322c4a880, signal_index=6, argv=0x7ffee1eafde0) at kernel/qobject.cpp:3886
#10 0x00007fb1bbb2d240 in KJob::result(KJob*, KJob::QPrivateSignal) () from /lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#11 0x00007fb1bbb2e6bb in KJob::finishJob(bool) () from /lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#12 0x00007fb1bc470c08 in KIO::SimpleJob::slotFinished() () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#13 0x00007fb1bc47663e in KIO::StatJob::slotFinished() () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#14 0x00007fb1bc46ee90 in KIO::SimpleJob::slotError(int, QString const&) () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#15 0x00007fb1ba8fbdfe in QtPrivate::QSlotObjectBase::call (a=0x7ffee1eb0080, r=0x561322c4a880, this=0x561322874a00) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#16 doActivate<false> (sender=0x56132282c040, signal_index=5, argv=0x7ffee1eb0080) at kernel/qobject.cpp:3886
#17 0x00007fb1bc43c35a in KIO::SlaveInterface::error(int, QString const&) () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#18 0x00007fb1bc43ee76 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#19 0x00007fb1bc43cb1f in KIO::SlaveInterface::dispatch() () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#20 0x00007fb1bc445812 in KIO::Slave::gotInput() () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#21 0x00007fb1ba8fbdfe in QtPrivate::QSlotObjectBase::call (a=0x7ffee1eb02d0, r=0x56132282c040, this=0x561322cc4c90) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#22 doActivate<false> (sender=0x56132248db00, signal_index=3, argv=0x7ffee1eb02d0) at kernel/qobject.cpp:3886
#23 0x00007fb1ba8f2979 in QObject::event (this=0x56132248db00, e=0x561322cb63b0) at kernel/qobject.cpp:1314
#24 0x00007fb1bb3a0dc3 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x56132248db00, e=0x561322cb63b0) at kernel/qapplication.cpp:3632
#25 0x00007fb1bb3a9bb8 in QApplication::notify(QObject*, QEvent*) () at kernel/qapplication.cpp:3156
#26 0x00007fb1ba8c4dca in QCoreApplication::notifyInternal2 (receiver=0x56132248db00, event=0x561322cb63b0) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#27 0x00007fb1ba8c76d1 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x561321370ef0) at kernel/qcoreapplication.cpp:1821
#28 0x00007fb1ba91ffd7 in postEventSourceDispatch (s=0x5613214aadf0) at kernel/qeventdispatcher_glib.cpp:277
#29 0x00007fb1b843117d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fb1b8431400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fb1b84314a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fb1ba91f632 in QEventDispatcherGlib::processEvents (this=0x5613214c4270, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#33 0x00007fb1ba8c38cb in QEventLoop::exec (this=this@entry=0x7ffee1eb0880, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#34 0x00007fb1ba8cba84 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#35 0x000056132119a273 in ?? ()
#36 0x00007fb1ba2630b3 in __libc_start_main (main=0x561321199120, argc=1, argv=0x7ffee1eb0b18, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffee1eb0b08) at ../csu/libc-start.c:308
#37 0x000056132119a63e in ?? ()
[Inferior 1 (process 79674) detached]

Possible duplicates by query: bug 446090, bug 444861, bug 442552, bug 440730, bug 439877.

Reported using DrKonqi