Bug 451050

Summary: Dolphin crashing when connecting SMB share
Product: [Frameworks and Libraries] frameworks-kio Reporter: strangerklg <a.demenev>
Component: generalAssignee: Akseli Lahtinen <akselmo>
Status: VERIFIED FIXED    
Severity: crash CC: adonisnr, akselmo, bright.cliff4565, chris, christoph, chrisweber.2, david.scott.brown, dhekir, dolphin-bugs-null, elite3574, enrique2022, felensis, huux, I, ian.r.cheong, j.straight-kde, jamesowens, jordan.anjie.lu, kde.bugs, kde.fossil822, kde.quote035, kde, kdebugs, kdedev, kdelibs-bugs-null, L.Bonnaud, landergallastegi, lukasz.tolwinski, marXtevens, matthiasgruss, maxx-bond, meven29, nate, nicolas.fella, norbert79, not.md.anymore, oskar_stenberg, paco3346, postix, pyro4hell, raudaschl, remarqueze, rob, robertshoop2, rofflecat, sadzak, sean.erin.walton, smowtenshi, staysynchronize, sulmpx60, tanerius, till.seifert, vavasmuchos, virnik, wikt.sztw+kdebugs, wolfmurdurer23
Priority: VHI Keywords: drkonqi
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
See Also: https://bugs.kde.org/show_bug.cgi?id=465243
https://bugs.kde.org/show_bug.cgi?id=462728
https://bugs.kde.org/show_bug.cgi?id=486896
https://bugs.kde.org/show_bug.cgi?id=493403
https://bugs.kde.org/show_bug.cgi?id=499113
https://bugs.kde.org/show_bug.cgi?id=504197
Latest Commit: https://invent.kde.org/frameworks/kio/-/commit/883a16eb4ac808deceddf8ac3667ee888ff8ea60 Version Fixed/Implemented In: Frameworks 6.16
Sentry Crash Report: https://crash-reports.kde.org/organizations/kde/issues/197901/events/c5a6e674b0bb472790fe0e990610ff88/
Attachments: New crash information added by DrKonqi
New crash information added by DrKonqi
New crash information added by DrKonqi
Crash report from screen recording
Screen recording
Terminal output when running dolphn and then opening smb://-url
Terminal output if i directly put the smb-url as command line param
Terminal output Dolphin 24.02.2 KF 6.1
Terminal output Dolphin 24.02.2 KF 6.1 with kf6-kio-dbgsym and dolphin-dgbsym
gdb bt full Dolphin 24.02.2 KF 6.1

Description strangerklg 2022-03-02 18:40:30 UTC 
Application: dolphin (21.12.2)

Qt Version: 5.15.3
Frameworks Version: 5.91.0
Operating System: Linux 5.13.0-30-generic x86_64
Windowing System: X11
Distribution: KDE neon User - 5.24
DrKonqi: 5.24.2 [KCrashBackend]

-- Information about the crash:
- What I was doing when the application crashed:
Dolphin crashing when connecting SMB share
Dolphin ask login and passwor and then crashing

The crash can be reproduced every time.

-- Backtrace:
Application: Dolphin (dolphin), signal: Aborted

[New LWP 7193]
[New LWP 7194]
[New LWP 7196]
[New LWP 7201]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f1aeb4ce9cf in __GI___poll (fds=0x7ffcb7bc79f8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
[Current thread is 1 (Thread 0x7f1ae6a7a600 (LWP 7191))]

Thread 5 (Thread 0x7f1ad0845700 (LWP 7201)):
#0  0x00007f1aeb4ce9cf in __GI___poll (fds=0x7f1ab4005240, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1ae95ad36e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1ae95ad4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1aeba9fa0b in QEventDispatcherGlib::processEvents (this=0x7f1ab4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f1aeba43c9b in QEventLoop::exec (this=this@entry=0x7f1ad0844be0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f1aeb85d362 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f1aeb85e543 in QThreadPrivate::start (arg=0x55d411da0cd0) at thread/qthread_unix.cpp:331
#7  0x00007f1aea021609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f1aeb4db163 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f1adcf51700 (LWP 7196)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55d41195b788) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d41195b738, cond=0x55d41195b760) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55d41195b760, mutex=0x55d41195b738) at pthread_cond_wait.c:638
#3  0x00007f1add37d5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f1add37d1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f1aea021609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f1aeb4db163 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f1ae528d700 (LWP 7194)):
#0  0x00007f1aeb4ce9cf in __GI___poll (fds=0x7f1ad8015100, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1ae95ad36e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1ae95ad4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1aeba9fa0b in QEventDispatcherGlib::processEvents (this=0x7f1ad8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f1aeba43c9b in QEventLoop::exec (this=this@entry=0x7f1ae528cbb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f1aeb85d362 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f1aecaf7f4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f1aeb85e543 in QThreadPrivate::start (arg=0x7f1aecb7bd80) at thread/qthread_unix.cpp:331
#8  0x00007f1aea021609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f1aeb4db163 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f1ae5f08700 (LWP 7193)):
#0  0x00007f1aeb4ce9cf in __GI___poll (fds=0x7f1ae5f07ae8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1aea05ec1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f1aea06090a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1ae6637fd8 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f1aeb85e543 in QThreadPrivate::start (arg=0x55d4115dcd40) at thread/qthread_unix.cpp:331
#5  0x00007f1aea021609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f1aeb4db163 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1ae6a7a600 (LWP 7191)):
[KCrash Handler]
#4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#5  0x00007f1aeb3de859 in __GI_abort () at abort.c:79
#6  0x00007f1aed550e6f in ?? () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#7  0x00007f1aed660043 in ?? () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#8  0x00007f1aeba7c1be in QtPrivate::QSlotObjectBase::call (a=0x7ffcb7bc8cd0, r=0x7f1aed6df4a0, this=0x55d41219bfb0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#9  doActivate<false> (sender=0x55d4121a7970, signal_index=6, argv=0x7ffcb7bc8cd0) at kernel/qobject.cpp:3886
#10 0x00007f1aeba75587 in QMetaObject::activate (sender=sender@entry=0x55d4121a7970, m=m@entry=0x7f1aecd086c0 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffcb7bc8cd0) at kernel/qobject.cpp:3946
#11 0x00007f1aeccb0b10 in KJob::result (this=this@entry=0x55d4121a7970, _t1=<optimized out>, _t1@entry=0x55d4121a7970, _t2=...) at ./obj-x86_64-linux-gnu/src/lib/KF5CoreAddons_autogen/include/moc_kjob.cpp:633
#12 0x00007f1aeccb1f8b in KJob::finishJob (this=0x55d4121a7970, emitResult=<optimized out>) at ./src/lib/jobs/kjob.cpp:98
#13 0x00007f1aed5ffcc8 in KIO::SimpleJob::slotFinished() () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#14 0x00007f1aed5f60be in KIO::ListJob::slotFinished() () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#15 0x00007f1aeba7c1be in QtPrivate::QSlotObjectBase::call (a=0x7ffcb7bc8ee0, r=0x55d4121a7970, this=0x55d41202bbe0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#16 doActivate<false> (sender=0x55d4122008e0, signal_index=7, argv=0x7ffcb7bc8ee0) at kernel/qobject.cpp:3886
#17 0x00007f1aed5ced92 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#18 0x00007f1aed5cca8f in KIO::SlaveInterface::dispatch() () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#19 0x00007f1aed5d5782 in KIO::Slave::gotInput() () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#20 0x00007f1aeba7c1be in QtPrivate::QSlotObjectBase::call (a=0x7ffcb7bc9150, r=0x55d4122008e0, this=0x55d4120280f0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#21 doActivate<false> (sender=0x55d41211b780, signal_index=3, argv=0x7ffcb7bc9150) at kernel/qobject.cpp:3886
#22 0x00007f1aeba72d39 in QObject::event (this=0x55d41211b780, e=0x55d4120bfaa0) at kernel/qobject.cpp:1314
#23 0x00007f1aec522dc3 in QApplicationPrivate::notify_helper (this=this@entry=0x55d4115d98e0, receiver=receiver@entry=0x55d41211b780, e=e@entry=0x55d4120bfaa0) at kernel/qapplication.cpp:3632
#24 0x00007f1aec52bbb8 in QApplication::notify (this=0x7ffcb7bc97f0, receiver=0x55d41211b780, e=0x55d4120bfaa0) at kernel/qapplication.cpp:3156
#25 0x00007f1aeba4519a in QCoreApplication::notifyInternal2 (receiver=0x55d41211b780, event=0x55d4120bfaa0) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:332
#26 0x00007f1aeba47aa1 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x55d4115b3ef0) at kernel/qcoreapplication.cpp:1821
#27 0x00007f1aebaa0397 in postEventSourceDispatch (s=0x55d41169ad30) at kernel/qeventdispatcher_glib.cpp:277
#28 0x00007f1ae95ad17d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f1ae95ad400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f1ae95ad4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f1aeba9f9f2 in QEventDispatcherGlib::processEvents (this=0x55d4116a1430, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#32 0x00007f1aeba43c9b in QEventLoop::exec (this=this@entry=0x7ffcb7bc9700, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#33 0x00007f1aeba4be44 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#34 0x000055d410df4293 in main (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:230
[Inferior 1 (process 7191) detached]

Possible duplicates by query: bug 450981, bug 450916, bug 450755, bug 450245, bug 450241.

Reported using DrKonqi
Comment 1 sadzak 2022-03-06 14:55:54 UTC 
Created attachment 147329 [details]
New crash information added by DrKonqi

dolphin (21.12.2) using Qt 5.15.2

- What I was doing when the application crashed:
1. CTRL+L
2. Enter SMB address: smb://IP.address
3. Press Enter and expect crash

-- Backtrace (Reduced):
#4  0x00007f1eb0a57633 in KCoreDirListerCache::slotUpdateResult(KJob*) () from /lib64/libKF5KIOCore.so.5
#5  0x00007f1eaf0a93e9 in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5
#6  0x00007f1eb0240e10 in KJob::result(KJob*, KJob::QPrivateSignal) () from /lib64/libKF5CoreAddons.so.5
#7  0x00007f1eb024519b in KJob::finishJob(bool) () from /lib64/libKF5CoreAddons.so.5
#8  0x00007f1eaf0a93e9 in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5
Comment 2 JIm 2022-05-24 19:31:33 UTC 
Created attachment 149181 [details]
New crash information added by DrKonqi

dolphin (21.12.2) using Qt 5.15.3

- What I was doing when the application crashed:
COnnecting to an SMB share. It asked if I wanted to accept the SSH key, then crashed when I clicked Yes.

-- Backtrace (Reduced):
#4  0x00007fc6bc1afcae in KIO::SlaveInterface::sendMessageBoxAnswer(int) () from /lib64/libKF5KIOCore.so.5
#6  0x00007fc6ba854182 in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5
#7  0x00007fc6bb3bfc22 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#8  0x00007fc6ba82a118 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#9  0x00007fc6ba82d474 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5
Comment 3 postix 2022-09-18 13:08:08 UTC 
*** Bug 457420 has been marked as a duplicate of this bug. ***
Comment 4 postix 2022-09-18 13:08:48 UTC 
*** Bug 450245 has been marked as a duplicate of this bug. ***
Comment 5 postix 2022-09-18 13:14:42 UTC 
*** Bug 444619 has been marked as a duplicate of this bug. ***
Comment 6 Enrique 2023-03-03 22:11:19 UTC 
Created attachment 156977 [details]
New crash information added by DrKonqi

dolphin (21.12.3) using Qt 5.15.3

- What I was doing when the application crashed:
Connecting to an online CIFS share
1. Entered the path: smb://sharename.domain.extension
2. Entered username and password
3. Crashed when clicking ok

-- Backtrace (Reduced):
#4  __pthread_kill_implementation (no_tid=0, signo=6, threadid=140483899098560) at ./nptl/pthread_kill.c:44
#5  __pthread_kill_internal (signo=6, threadid=140483899098560) at ./nptl/pthread_kill.c:78
#6  __GI___pthread_kill (threadid=140483899098560, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#7  0x00007fc4f9642476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#8  0x00007fc4f96287f3 in __GI_abort () at ./stdlib/abort.c:79
Comment 7 Nathaniel 2023-03-26 02:03:34 UTC 
I got this crash and reported via Dr Konqi, but it wanted to post on #457420, so my backtrace is there. Apologies. Anyways, I just wanted to add that the relevant output I see from Dolphin is these lines:

> smbXcli_negprot_smb1_done: No compatible protocol selected by server.
> smbXcli_negprot_smb1_done: No compatible protocol selected by server.
> kf.kio.core: Internal error: itemsInUse did not contain QUrl("smb://")
> kf.kio.core: Fatal Error: HUH? Lister KDirLister(0x55da1e439c70) is supposed to be listing, but has no job!
Comment 8 Till Seifert 2023-06-21 09:49:25 UTC 
Still happening with 23.04.2

Application: Dolphin (dolphin), signal: Aborted

[KCrash Handler]
#4  __pthread_kill_implementation (no_tid=0, signo=6, threadid=140487881624000) at ./nptl/pthread_kill.c:44
#5  __pthread_kill_internal (signo=6, threadid=140487881624000) at ./nptl/pthread_kill.c:78
#6  __GI___pthread_kill (threadid=140487881624000, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#7  0x00007fc5e6c42476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#8  0x00007fc5e6c287f3 in __GI_abort () at ./stdlib/abort.c:79
#9  0x00007fc5e937768b in KCoreDirListerCache::printDebug (this=<optimized out>) at ./src/core/kcoredirlister.cpp:2095
#10 0x00007fc5e945483a in KCoreDirListerCache::slotUpdateResult (this=0x7fc5e94d7700 <(anonymous namespace)::Q_QGS_kDirListerCache::innerFunction()::holder>, j=<optimized out>) at ./src/core/kcoredirlister.cpp:1734
#11 0x00007fc5e76f4854 in QtPrivate::QSlotObjectBase::call (a=0x7ffcb56c5250, r=0x7fc5e94d7700 <(anonymous namespace)::Q_QGS_kDirListerCache::innerFunction()::holder>, this=0x55e5edbc1be0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#12 doActivate<false> (sender=0x55e5eea16140, signal_index=6, argv=0x7ffcb56c5250) at kernel/qobject.cpp:3925
#13 0x00007fc5e76ed927 in QMetaObject::activate (sender=sender@entry=0x55e5eea16140, m=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffcb56c5250) at kernel/qobject.cpp:3985
#14 0x00007fc5e8bca130 in KJob::result (this=this@entry=0x55e5eea16140, _t1=<optimized out>, _t1@entry=0x55e5eea16140, _t2=...) at ./obj-x86_64-linux-gnu/src/lib/KF5CoreAddons_autogen/include/moc_kjob.cpp:633
#15 0x00007fc5e8bcfe3b in KJob::finishJob (this=0x55e5eea16140, emitResult=<optimized out>) at ./src/lib/jobs/kjob.cpp:98
#16 0x00007fc5e76f4854 in QtPrivate::QSlotObjectBase::call (a=0x7ffcb56c5320, r=0x55e5eea16140, this=0x55e5ee911f00) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#17 doActivate<false> (sender=0x55e5ee2a3930, signal_index=7, argv=0x7ffcb56c5320) at kernel/qobject.cpp:3925
#18 0x00007fc5e76ed927 in QMetaObject::activate (sender=sender@entry=0x55e5ee2a3930, m=m@entry=0x7fc5e94d1980 <KIO::SlaveInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x0) at kernel/qobject.cpp:3985
#19 0x00007fc5e93decd7 in KIO::SlaveInterface::finished (this=this@entry=0x55e5ee2a3930) at ./obj-x86_64-linux-gnu/src/core/KF5KIOCore_autogen/include/moc_slaveinterface.cpp:464
#20 0x00007fc5e93e0fb3 in KIO::SlaveInterface::dispatch (this=0x55e5ee2a3930, _cmd=<optimized out>, rawdata=...) at ./src/core/slaveinterface.cpp:149
#21 0x00007fc5e93df57d in KIO::SlaveInterface::dispatch (this=0x55e5ee2a3930) at ./src/core/slaveinterface.cpp:78
#22 0x00007fc5e93e39b2 in KIO::Slave::gotInput (this=0x55e5ee2a3930) at ./src/core/slave.cpp:354
#23 0x00007fc5e76f4854 in QtPrivate::QSlotObjectBase::call (a=0x7ffcb56c5570, r=0x55e5ee2a3930, this=0x55e5ed120750) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#24 doActivate<false> (sender=0x55e5ee5b1790, signal_index=3, argv=0x7ffcb56c5570) at kernel/qobject.cpp:3925
#25 0x00007fc5e76ea2fe in QObject::event (this=0x55e5ee5b1790, e=0x55e5ed1598c0) at kernel/qobject.cpp:1347
#26 0x00007fc5e836c763 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55e5ee5b1790, e=0x55e5ed1598c0) at kernel/qapplication.cpp:3640
#27 0x00007fc5e76bcdda in QCoreApplication::notifyInternal2 (receiver=0x55e5ee5b1790, event=0x55e5ed1598c0) at kernel/qcoreapplication.cpp:1064
#28 0x00007fc5e76bfec7 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x55e5ecd80ec0) at kernel/qcoreapplication.cpp:1821
#29 0x00007fc5e7716c07 in postEventSourceDispatch (s=0x55e5ece7bb00) at kernel/qeventdispatcher_glib.cpp:277
#30 0x00007fc5e5451d3b in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fc5e54a7258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fc5e544f3e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007fc5e7716258 in QEventDispatcherGlib::processEvents (this=0x55e5ece7c520, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#34 0x00007fc5e76bb6fb in QEventLoop::exec (this=this@entry=0x7ffcb56c5980, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#35 0x00007fc5e76c3c94 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#36 0x00007fc5e7b36d50 in QGuiApplication::exec () at kernel/qguiapplication.cpp:1870
#37 0x00007fc5e836c6d9 in QApplication::exec () at kernel/qapplication.cpp:2832
#38 0x000055e5ec03db35 in main (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:249
[Inferior 1 (process 6960) detached]
Comment 9 postix 2023-06-21 09:56:20 UTC 
*** Bug 444758 has been marked as a duplicate of this bug. ***
Comment 10 Akseli Lahtinen 2023-11-27 10:14:36 UTC 
*** Bug 477417 has been marked as a duplicate of this bug. ***
Comment 11 Akseli Lahtinen 2023-11-27 10:14:45 UTC 
*** Bug 476379 has been marked as a duplicate of this bug. ***
Comment 12 Akseli Lahtinen 2023-11-27 10:14:55 UTC 
*** Bug 474066 has been marked as a duplicate of this bug. ***
Comment 13 Akseli Lahtinen 2023-11-29 08:14:10 UTC 
*** Bug 455731 has been marked as a duplicate of this bug. ***
Comment 14 Akseli Lahtinen 2023-11-29 08:14:44 UTC 
Some repro info in https://bugs.kde.org/show_bug.cgi?id=455731
Comment 15 Akseli Lahtinen 2023-11-30 13:10:57 UTC 
Cant reproduce this. https://bugs.kde.org/show_bug.cgi?id=477417 mentions that it happens if opened to root without a trailing slash.

Possibly fixed already with https://invent.kde.org/network/kdenetwork-filesharing/-/merge_requests/49 ?
Comment 16 Till Seifert 2023-11-30 13:20:36 UTC 
I can till repro it in 

Dolphin 23.08.3
KDE Frameworks Version 5.111.0

without opening any properties dialogs. I attached a screen recording and trace from the same event
Comment 17 Till Seifert 2023-11-30 13:21:19 UTC 
Created attachment 163653 [details]
Crash report from screen recording
Comment 18 Till Seifert 2023-11-30 13:32:48 UTC 
Created attachment 163654 [details]
Screen recording
Comment 19 Nate Graham 2023-11-30 15:01:08 UTC 
*** Bug 462728 has been marked as a duplicate of this bug. ***
Comment 20 Nate Graham 2023-11-30 15:01:13 UTC 
*** Bug 462740 has been marked as a duplicate of this bug. ***
Comment 21 Akseli Lahtinen 2023-11-30 15:53:17 UTC 
(In reply to Till Seifert from comment #18)
> Created attachment 163654 [details]
> Screen recording

Hey, thanks for the recording and the backtrace!

Could you run dolphin from terminal and do the same thing, then copy the logs?

If no logs appear, you can try running 

export   QT_LOGGING_RULES="*.debug=true;qt.*=false;org.kde.plasma.pulseaudio=false"

before running Dolphin.

Thanks for the help!
Comment 22 Till Seifert 2023-11-30 15:59:47 UTC 
Created attachment 163658 [details]
Terminal output when running dolphn and then opening smb://-url
Comment 23 Till Seifert 2023-11-30 16:00:33 UTC 
Created attachment 163659 [details]
Terminal output if i directly put the smb-url as command line param

Also happens if i directly put the smb-url as command line param
Comment 24 Akseli Lahtinen 2023-12-01 12:15:57 UTC 
Thanks for the help again. Can you see if adding nas@ in front of the address fixes it for you?

So it would be: smb://nas@fritz.box
Comment 25 Akseli Lahtinen 2023-12-01 13:01:51 UTC 
The only way i can get this crashing is following sharefolder config

[.]
comment = Samba share directory
path = /home/sharing
read only = no
writable = yes
browseable = yes
guest ok = no
valid users = @akseli

I don't think [.] is valid name, but samba allows it. Could you share a bit more about your samba setup, how do you set it to connect directly to a folder from an url?
Comment 26 Till Seifert 2023-12-01 13:10:38 UTC 
> So it would be: smb://nas@fritz.box

Yes when i give the username in the URL in the location bar or CLI parameter it open correctly.

The samba share is the default share from my Fritz!Box 6660 Router, so i can not configure it or even see its config. It's a pretty common device in Germany. But i will try to repro with a samba installation.
Comment 27 Akseli Lahtinen 2023-12-01 13:57:36 UTC 
Basically the bug seems to happen with redirection from `smb://name@domain` to `smb://domain` or vice versa.

So if you encounter this bug, you have to add name@ in front of the domain.
Comment 28 Akseli Lahtinen 2023-12-01 14:09:20 UTC 
Also, the share has to be in the top level of the domain: As in, when user types the `smb://domain`  url, it should open the fileshare, not show available shares.
Comment 29 Till Seifert 2023-12-01 15:02:37 UTC 
It does _not_ crash if i enter smb://nas@fritz.box/FRITZ.NAS/ indeed. (FRITZ.NAS is the only share on the server)
Comment 30 Akseli Lahtinen 2023-12-04 10:51:30 UTC 
I unfortunately can't reproduce the issue on Plasma 6.

Do you have the means to try this on Plasma 6? If so, we could see if it's already fixed on it, or I just have a setup where the bug does not happen.

You could for example try KDE Neon Unstable in a virtual machine and connect from there. https://community.kde.org/Plasma/Plasma_6#How_to_use/test_it
Comment 31 Till Seifert 2023-12-04 15:38:14 UTC 
(In reply to Akseli Lahtinen from comment #30)
> I unfortunately can't reproduce the issue on Plasma 6.

I tried in a Neon Unstable VM right now and i works without crash. The redirect to the smb-URL with `username@` also does not happen, it just uses the saved or entered username/password without changing the URL it seems
Comment 32 Matthias Gruß 2023-12-04 16:11:54 UTC 
The bug occurs reproducibly for me if I do not end the IP address with a slash.
Comment 33 Nate Graham 2023-12-04 16:52:16 UTC 
In what version of Dolphin?
Comment 34 Matthias Gruß 2023-12-04 17:29:04 UTC 
Dolphin 23.08.3 on Fedora 39 KDE Plasma.
smb://192.168.2.150 crashes Dolphin, smb://192.168.2.150/ works fine.
Comment 35 Akseli Lahtinen 2023-12-05 08:07:04 UTC 
(In reply to Matthias Gruß from comment #34)
> Dolphin 23.08.3 on Fedora 39 KDE Plasma.
> smb://192.168.2.150 crashes Dolphin, smb://192.168.2.150/ works fine.

For me, same system, it doesn't crash. Can you share more about your samba share setup? 

I think it only crashes if the address immediately opens a share or asks for password. But I haven't been able to set that up with my samba share.
Comment 36 Méven Car 2023-12-05 16:32:18 UTC 
(In reply to Matthias Gruß from comment #34)
> Dolphin 23.08.3 on Fedora 39 KDE Plasma.
> smb://192.168.2.150 crashes Dolphin, smb://192.168.2.150/ works fine.

If you launch dolphin from a terminal (open konsole and type in dolphin and return) and reproduce the bug do you see some output in the terminal ?

Could you please copy paste the stack trace afterward the crash. drkonqui should show it to you or you can use `coredumpctl info dolphin > dolphin-crash.txt` to get the crash trace in the file  dolphin-crash.txt.
Comment 37 Matthias Gruß 2023-12-05 22:33:00 UTC 
In my case, it is about the share on a Synology NAS. 
After calling smb://192.168.2.150/ the login and password are requested.

Output in the terminal when calling without slash (192.168.2.150):

matthias@fedora-notebook:~$ dolphin
kf.kio.core: Internal error: itemsInUse did not contain QUrl("smb://matsch@192.168.2.150/")
KCrash: Application 'dolphin' crashing...
KCrash: Attempting to start /usr/libexec/drkonqi
kf5idletime_wayland: This plugin does not support polling idle time
[1]+  Angehalten              dolphin

Output of coredumpctl info dolphin:


           PID: 3861 (dolphin)
           UID: 1000 (matthias)
           GID: 1000 (matthias)
        Signal: 11 (SEGV)
     Timestamp: Thu 2023-11-30 08:57:15 CET (5 days ago)
  Command Line: /usr/bin/dolphin
    Executable: /usr/bin/dolphin
 Control Group: /user.slice/user-1000.slice/user@1000.service/app.slice/app-\x2fusr\x2fbin\x2fdolphin-2a68a52399074d6baf01951b89126bdd.scope
          Unit: user@1000.service
     User Unit: app-\x2fusr\x2fbin\x2fdolphin-2a68a52399074d6baf01951b89126bdd.scope
         Slice: user-1000.slice
     Owner UID: 1000 (matthias)
       Boot ID: 04f8632289b54a5fa2947f45f8271790
    Machine ID: 5db137b5cf784732be137c6dcb9329d1
      Hostname: fedora-notebook
       Storage: /var/lib/systemd/coredump/core.dolphin.1000.04f8632289b54a5fa2947f45f8271790.3861.1701331035000000.zst (missing)
       Package: dolphin/23.08.3-1.fc39
      build-id: 196e791b2c06aeee903690cac5e4b3b9a7aaeb66
       Message: Process 3861 (dolphin) of user 1000 dumped core.
                
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                Module libselinux.so.1 from rpm libselinux-3.5-5.fc39.x86_64
                Module libblkid.so.1 from rpm util-linux-2.39.2-1.fc39.x86_64
                Module libattr.so.1 from rpm attr-2.5.1-8.fc39.x86_64
                Module libQt5QmlModels.so.5 from rpm qt5-qtdeclarative-5.15.11-2.fc39.x86_64
                Module libKF5Syndication.so.5 from rpm kf5-syndication-5.111.0-1.fc39.x86_64
                Module libKF5Package.so.5 from rpm kf5-kpackage-5.111.0-1.fc39.x86_64
                Module libKF5Attica.so.5 from rpm kf5-attica-5.111.0-1.fc39.x86_64
                Module libwayland-client.so.0 from rpm wayland-1.22.0-2.fc39.x86_64
                Module libQt5WaylandClient.so.5 from rpm qt5-qtwayland-5.15.11-1.fc39.x86_64
                Module libcrypto.so.3 from rpm openssl-3.1.1-4.fc39.x86_64
                Module libssl.so.3 from rpm openssl-3.1.1-4.fc39.x86_64
                Module libproxy.so.1 from rpm libproxy-0.5.3-3.fc39.x86_64
                Module libgssapi_krb5.so.2 from rpm krb5-1.21.2-2.fc39.x86_64
                Module libKF5SonnetCore.so.5 from rpm kf5-sonnet-5.111.0-1.fc39.x86_64
                Module libKF5SonnetUi.so.5 from rpm kf5-sonnet-5.111.0-1.fc39.x86_64
                Module libglib-2.0.so.0 from rpm glib2-2.78.1-1.fc39.x86_64
                Module libzstd.so.1 from rpm zstd-1.5.5-4.fc39.x86_64
                Module libpcre2-16.so.0 from rpm pcre2-10.42-1.fc39.2.x86_64
                Module libicuuc.so.73 from rpm icu-73.2-2.fc39.x86_64
                Module libicui18n.so.73 from rpm icu-73.2-2.fc39.x86_64
                Module libdouble-conversion.so.3 from rpm double-conversion-3.1.5-9.fc39.x86_64
                Module libsystemd.so.0 from rpm systemd-254.5-2.fc39.x86_64
                Module libdbus-1.so.3 from rpm dbus-1.14.10-1.fc39.x86_64
                Module libharfbuzz.so.0 from rpm harfbuzz-8.2.1-2.fc39.x86_64
                Module libz.so.1 from rpm zlib-1.2.13-4.fc39.x86_64
                Module libpng16.so.16 from rpm libpng-1.6.37-15.fc39.x86_64
                Module libGL.so.1 from rpm libglvnd-1.7.0-1.fc39.x86_64
                Module libpulse-mainloop-glib.so.0 from rpm pulseaudio-16.1-5.fc39.x86_64
                Module libpulse.so.0 from rpm pulseaudio-16.1-5.fc39.x86_64
                Module libxcb-keysyms.so.1 from rpm xcb-util-keysyms-0.4.1-3.fc39.x86_64
                Module libxcb.so.1 from rpm libxcb-1.13.1-12.fc39.x86_64
                Module libdbusmenu-qt5.so.2 from rpm dbusmenu-qt-0.9.3-0.32.20160218.fc39.x86_64
                Module libXtst.so.6 from rpm libXtst-1.2.4-3.fc39.x86_64
                Module libQt5TextToSpeech.so.5 from rpm qt5-qtspeech-5.15.11-1.fc39.x86_64
                Module libKF5Archive.so.5 from rpm kf5-karchive-5.111.0-1.fc39.x86_64
                Module libQt5Svg.so.5 from rpm qt5-qtsvg-5.15.11-1.fc39.x86_64
                Module libQt5PrintSupport.so.5 from rpm qt5-qtbase-5.15.11-7.fc39.x86_64
                Module libKF5GlobalAccel.so.5 from rpm kf5-kglobalaccel-5.111.0-1.fc39.x86_64
                Module libKF5Auth.so.5 from rpm kf5-kauth-5.111.0-1.fc39.x86_64
                Module libKF5KCMUtilsCore.so.5 from rpm kf5-kcmutils-5.111.0-1.fc39.x86_64
                Module libKF5Declarative.so.5 from rpm kf5-kdeclarative-5.111.0-1.fc39.x86_64
                Module libKF5QuickAddons.so.5 from rpm kf5-kdeclarative-5.111.0-1.fc39.x86_64
                Module libQt5QuickWidgets.so.5 from rpm qt5-qtdeclarative-5.15.11-2.fc39.x86_64
                Module libplist-2.0.so.4 from rpm libplist-2.3.0-1.fc39.x86_64
                Module libimobiledevice-1.0.so.6 from rpm libimobiledevice-1.3.0^20230705git6fc41f5-1.fc39.x86_64
                Module libudev.so.1 from rpm systemd-254.5-2.fc39.x86_64
                Module libKF5BalooEngine.so.5 from rpm kf5-baloo-5.111.0-1.fc39.x86_64
                Module libX11.so.6 from rpm libX11-1.8.7-1.fc39.x86_64
                Module libmount.so.1 from rpm util-linux-2.39.2-1.fc39.x86_64
                Module libacl.so.1 from rpm acl-2.3.1-8.fc39.x86_64
                Module libKF5AuthCore.so.5 from rpm kf5-kauth-5.111.0-1.fc39.x86_64
                Module libQt5Qml.so.5 from rpm qt5-qtdeclarative-5.15.11-2.fc39.x86_64
                Module libQt5Quick.so.5 from rpm qt5-qtdeclarative-5.15.11-2.fc39.x86_64
                Module libKF5NewStuffCore.so.5 from rpm kf5-knewstuff-5.111.0-1.fc39.x86_64
                Module libKF5GuiAddons.so.5 from rpm kf5-kguiaddons-5.111.0-1.fc39.x86_64
                Module libQt5Network.so.5 from rpm qt5-qtbase-5.15.11-7.fc39.x86_64
                Module libKF5FileMetaData.so.3 from rpm kf5-kfilemetadata-5.111.0-1.fc39.x86_64
                Module libKF5Codecs.so.5 from rpm kf5-kcodecs-5.111.0-1.fc39.x86_64
                Module libKF5TextWidgets.so.5 from rpm kf5-ktextwidgets-5.111.0-1.fc39.x86_64
                Module libdolphinvcs.so.5 from rpm dolphin-23.08.3-1.fc39.x86_64
                Module libQt5Core.so.5 from rpm qt5-qtbase-5.15.11-7.fc39.x86_64
                Module libQt5DBus.so.5 from rpm qt5-qtbase-5.15.11-7.fc39.x86_64
                Module libKF5Activities.so.5 from rpm kf5-kactivities-5.111.0-1.fc39.x86_64
                Module libQt5Gui.so.5 from rpm qt5-qtbase-5.15.11-7.fc39.x86_64
                Module libQt5Widgets.so.5 from rpm qt5-qtbase-5.15.11-7.fc39.x86_64
                Module libphonon4qt5.so.4 from rpm phonon-4.11.1-12.fc39.x86_64
                Module libKF5CoreAddons.so.5 from rpm kf5-kcoreaddons-5.111.0-1.fc39.x86_64
                Module libQt5X11Extras.so.5 from rpm qt5-qtx11extras-5.15.11-1.fc39.x86_64
                Module libKF5WindowSystem.so.5 from rpm kf5-kwindowsystem-5.111.0-1.fc39.x86_64
                Module libKF5ConfigCore.so.5 from rpm kf5-kconfig-5.111.0-1.fc39.x86_64
                Module libKF5Notifications.so.5 from rpm kf5-knotifications-5.111.0-1.fc39.x86_64
                Module libKF5DBusAddons.so.5 from rpm kf5-kdbusaddons-5.111.0-1.fc39.x86_64
                Module libKF5ItemViews.so.5 from rpm kf5-kitemviews-5.111.0-1.fc39.x86_64
                Module libQt5Xml.so.5 from rpm qt5-qtbase-5.15.11-7.fc39.x86_64
                Module libKF5I18n.so.5 from rpm kf5-ki18n-5.111.0-1.fc39.x86_64
                Module libKF5Service.so.5 from rpm kf5-kservice-5.111.0-1.fc39.x86_64
                Module libKF5ConfigGui.so.5 from rpm kf5-kconfig-5.111.0-1.fc39.x86_64
                Module libKF5WidgetsAddons.so.5 from rpm kf5-kwidgetsaddons-5.111.0-1.fc39.x86_64
                Module libKF5ConfigWidgets.so.5 from rpm kf5-kconfigwidgets-5.111.0-1.fc39.x86_64
                Module libKF5IconThemes.so.5 from rpm kf5-kiconthemes-5.111.0-1.fc39.x86_64
                Module libKF5XmlGui.so.5 from rpm kf5-kxmlgui-5.111.0-1.fc39.x86_64
                Module libKF5KCMUtils.so.5 from rpm kf5-kcmutils-5.111.0-1.fc39.x86_64
                Module libKF5Solid.so.5 from rpm kf5-solid-5.111.0-1.fc39.x86_64
                Module libKF5Baloo.so.5 from rpm kf5-baloo-5.111.0-1.fc39.x86_64
                Module libKF5Crash.so.5 from rpm kf5-kcrash-5.111.0-1.fc39.x86_64
                Module libKF5KIOCore.so.5 from rpm kf5-kio-5.111.0-1.fc39.x86_64
                Module libKF5BalooWidgets.so.5 from rpm baloo-widgets-23.08.3-1.fc39.x86_64
                Module libKF5Completion.so.5 from rpm kf5-kcompletion-5.111.0-1.fc39.x86_64
                Module libKF5JobWidgets.so.5 from rpm kf5-kjobwidgets-5.111.0-1.fc39.x86_64
                Module libKF5KIOGui.so.5 from rpm kf5-kio-5.111.0-1.fc39.x86_64
                Module libKF5KIOWidgets.so.5 from rpm kf5-kio-5.111.0-1.fc39.x86_64
                Module libKF5Parts.so.5 from rpm kf5-kparts-5.111.0-1.fc39.x86_64
                Module libKF5NewStuff.so.5 from rpm kf5-knewstuff-5.111.0-1.fc39.x86_64
                Module libKF5NewStuffWidgets.so.5 from rpm kf5-knewstuff-5.111.0-1.fc39.x86_64
                Module libKF5Bookmarks.so.5 from rpm kf5-kbookmarks-5.111.0-1.fc39.x86_64
                Module libKF5KIOFileWidgets.so.5 from rpm kf5-kio-5.111.0-1.fc39.x86_64
                Module libdolphinprivate.so.5 from rpm dolphin-23.08.3-1.fc39.x86_64
                Module dolphin from rpm dolphin-23.08.3-1.fc39.x86_64
                Stack trace of thread 3861:
                #0  0x00007f8f0f3075c8 _ZN19KCoreDirListerCache16slotUpdateResultEP4KJob (libKF5KIOCore.so.5 + 0xfe5c8)
                #1  0x00007f8f0d6e8871 _Z10doActivateILb0EEvP7QObjectiPPv (libQt5Core.so.5 + 0x2e8871)
                #2  0x00007f8f0eace706 _ZN4KJob6resultEPS_NS_14QPrivateSignalE (libKF5CoreAddons.so.5 + 0x61706)
                #3  0x00007f8f0ead45bb _ZN4KJob9finishJobEb (libKF5CoreAddons.so.5 + 0x675bb)
                #4  0x00007f8f0d6e8871 _Z10doActivateILb0EEvP7QObjectiPPv (libQt5Core.so.5 + 0x2e8871)
                #5  0x00007f8f0f2adbc8 _ZN3KIO14SlaveInterface8dispatchEiRK10QByteArray (libKF5KIOCore.so.5 + 0xa4bc8)
                #6  0x00007f8f0f2a87fb _ZN3KIO14SlaveInterface8dispatchEv (libKF5KIOCore.so.5 + 0x9f7fb)
                #7  0x00007f8f0f2ab251 _ZN3KIO5Slave8gotInputEv (libKF5KIOCore.so.5 + 0xa2251)
                #8  0x00007f8f0d6e8871 _Z10doActivateILb0EEvP7QObjectiPPv (libQt5Core.so.5 + 0x2e8871)
                #9  0x00007f8f0d6df11b _ZN7QObject5eventEP6QEvent (libQt5Core.so.5 + 0x2df11b)
                #10 0x00007f8f0e3aeb75 _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5 + 0x1aeb75)
                #11 0x00007f8f0d6b4598 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5 + 0x2b4598)
                #12 0x00007f8f0d6b7a45 _ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData (libQt5Core.so.5 + 0x2b7a45)
                #13 0x00007f8f0d706fef _ZL23postEventSourceDispatchP8_GSourcePFiPvES1_ (libQt5Core.so.5 + 0x306fef)
                #14 0x00007f8f0b512e5c g_main_context_dispatch_unlocked.lto_priv.0 (libglib-2.0.so.0 + 0x5be5c)
                #15 0x00007f8f0b56ddd8 g_main_context_iterate_unlocked.isra.0 (libglib-2.0.so.0 + 0xb6dd8)
                #16 0x00007f8f0b510ad3 g_main_context_iteration (libglib-2.0.so.0 + 0x59ad3)
                #17 0x00007f8f0d706ad9 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x306ad9)
                #18 0x00007f8f0d6b2f5b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b2f5b)
                #19 0x00007f8f0d6bb1eb _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x2bb1eb)
                #20 0x0000564c0d02d055 main (dolphin + 0x53055)
                #21 0x00007f8f0ce4614a __libc_start_call_main (libc.so.6 + 0x2814a)
                #22 0x00007f8f0ce4620b __libc_start_main@@GLIBC_2.34 (libc.so.6 + 0x2820b)
                #23 0x0000564c0d02d805 _start (dolphin + 0x53805)
                
                Stack trace of thread 3867:
                #0  0x00007f8f0cea9169 __futex_abstimed_wait_common (libc.so.6 + 0x8b169)
                #1  0x00007f8f0ceabb09 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8db09)
                #2  0x00007f8ee9b6abfd cnd_wait (iris_dri.so + 0x16abfd)
                #3  0x00007f8ee9b1962b util_queue_thread_func (iris_dri.so + 0x11962b)
                #4  0x00007f8ee9b6ab2c impl_thrd_routine (iris_dri.so + 0x16ab2c)
                #5  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #6  0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3864:
                #0  0x00007f8f0cf25b8d __poll (libc.so.6 + 0x107b8d)
                #1  0x00007f8f0ab270ac _ZN15QtWaylandClient11EventThread3runEv (libQt5WaylandClient.so.5 + 0x800ac)
                #2  0x00007f8f0d4f5bbd _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xf5bbd)
                #3  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #4  0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3871:
                #0  0x00007f8f0cea9169 __futex_abstimed_wait_common (libc.so.6 + 0x8b169)
                #1  0x00007f8f0ceabb09 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8db09)
                #2  0x00007f8ee9b6abfd cnd_wait (iris_dri.so + 0x16abfd)
                #3  0x00007f8ee9b1962b util_queue_thread_func (iris_dri.so + 0x11962b)
                #4  0x00007f8ee9b6ab2c impl_thrd_routine (iris_dri.so + 0x16ab2c)
                #5  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #6  0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3876:
                #0  0x00007f8f0cf3038f pselect (libc.so.6 + 0x11238f)
                #1  0x00007f8f0a8efeac usbmuxd_listen_inotify (libusbmuxd-2.0.so.6 + 0x3eac)
                #2  0x00007f8f0a8f0312 device_monitor (libusbmuxd-2.0.so.6 + 0x4312)
                #3  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #4  0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3865:
                #0  0x00007f8f0cea9169 __futex_abstimed_wait_common (libc.so.6 + 0x8b169)
                #1  0x00007f8f0ceabb09 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8db09)
                #2  0x00007f8ee9b6abfd cnd_wait (iris_dri.so + 0x16abfd)
                #3  0x00007f8ee9b1962b util_queue_thread_func (iris_dri.so + 0x11962b)
                #4  0x00007f8ee9b6ab2c impl_thrd_routine (iris_dri.so + 0x16ab2c)
                #5  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #6  0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3905:
                #0  0x00007f8f0cf260c0 ppoll (libc.so.6 + 0x1080c0)
                #1  0x00007f8f0d7029fd _Z12qt_safe_pollP6pollfdmPK8timespec (libQt5Core.so.5 + 0x3029fd)
                #2  0x00007f8f0cd80ad3 _ZNK26QNativeSocketEnginePrivate12nativeSelectEibbPbS0_ (libQt5Network.so.5 + 0x11cad3)
                #3  0x00007f8f0cd7e635 _ZN19QNativeSocketEngine18waitForReadOrWriteEPbS0_bbiS0_ (libQt5Network.so.5 + 0x11a635)
                #4  0x00007f8f0cd6c271 _ZN15QAbstractSocket16waitForReadyReadEi (libQt5Network.so.5 + 0x108271)
                #5  0x00007f8f0f25e9c2 _ZN3KIO17ConnectionBackend19waitForIncomingTaskEi (libKF5KIOCore.so.5 + 0x559c2)
                #6  0x00007f8f0f29180a _ZN3KIO9SlaveBase12dispatchLoopEv (libKF5KIOCore.so.5 + 0x8880a)
                #7  0x00007f8f0f30f628 _ZN3KIO12WorkerThread3runEv (libKF5KIOCore.so.5 + 0x106628)
                #8  0x00007f8f0d4f5bbd _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xf5bbd)
                #9  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #10 0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3866:
                #0  0x00007f8f0cea9169 __futex_abstimed_wait_common (libc.so.6 + 0x8b169)
                #1  0x00007f8f0ceabb09 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8db09)
                #2  0x00007f8ee9b6abfd cnd_wait (iris_dri.so + 0x16abfd)
                #3  0x00007f8ee9b1962b util_queue_thread_func (iris_dri.so + 0x11962b)
                #4  0x00007f8ee9b6ab2c impl_thrd_routine (iris_dri.so + 0x16ab2c)
                #5  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #6  0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3863:
                #0  0x00007f8f0cf25b8d __poll (libc.so.6 + 0x107b8d)
                #1  0x00007f8f0ab270ac _ZN15QtWaylandClient11EventThread3runEv (libQt5WaylandClient.so.5 + 0x800ac)
                #2  0x00007f8f0d4f5bbd _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xf5bbd)
                #3  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #4  0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3862:
                #0  0x00007f8f0cf25b8d __poll (libc.so.6 + 0x107b8d)
                #1  0x00007f8f0b56dd74 g_main_context_iterate_unlocked.isra.0 (libglib-2.0.so.0 + 0xb6d74)
                #2  0x00007f8f0b510ad3 g_main_context_iteration (libglib-2.0.so.0 + 0x59ad3)
                #3  0x00007f8f0d706ad9 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x306ad9)
                #4  0x00007f8f0d6b2f5b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b2f5b)
                #5  0x00007f8f0d4f47b0 _ZN7QThread4execEv (libQt5Core.so.5 + 0xf47b0)
                #6  0x00007f8f0e944dab _ZN22QDBusConnectionManager3runEv (libQt5DBus.so.5 + 0x1bdab)
                #7  0x00007f8f0d4f5bbd _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xf5bbd)
                #8  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #9  0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3877:
                #0  0x00007f8f0cf25b8d __poll (libc.so.6 + 0x107b8d)
                #1  0x00007f8f0b56dd74 g_main_context_iterate_unlocked.isra.0 (libglib-2.0.so.0 + 0xb6d74)
                #2  0x00007f8f0b510ad3 g_main_context_iteration (libglib-2.0.so.0 + 0x59ad3)
                #3  0x00007f8f0d706ad9 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x306ad9)
                #4  0x00007f8f0d6b2f5b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b2f5b)
                #5  0x00007f8f0d4f47b0 _ZN7QThread4execEv (libQt5Core.so.5 + 0xf47b0)
                #6  0x00007f8f0d4f5bbd _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xf5bbd)
                #7  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #8  0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3910:
                #0  0x00007f8f0cf260c0 ppoll (libc.so.6 + 0x1080c0)
                #1  0x00007f8f0d7029fd _Z12qt_safe_pollP6pollfdmPK8timespec (libQt5Core.so.5 + 0x3029fd)
                #2  0x00007f8f0cd80ad3 _ZNK26QNativeSocketEnginePrivate12nativeSelectEibbPbS0_ (libQt5Network.so.5 + 0x11cad3)
                #3  0x00007f8f0cd7e635 _ZN19QNativeSocketEngine18waitForReadOrWriteEPbS0_bbiS0_ (libQt5Network.so.5 + 0x11a635)
                #4  0x00007f8f0cd6c271 _ZN15QAbstractSocket16waitForReadyReadEi (libQt5Network.so.5 + 0x108271)
                #5  0x00007f8f0f25e9c2 _ZN3KIO17ConnectionBackend19waitForIncomingTaskEi (libKF5KIOCore.so.5 + 0x559c2)
                #6  0x00007f8f0f29180a _ZN3KIO9SlaveBase12dispatchLoopEv (libKF5KIOCore.so.5 + 0x8880a)
                #7  0x00007f8f0f30f628 _ZN3KIO12WorkerThread3runEv (libKF5KIOCore.so.5 + 0x106628)
                #8  0x00007f8f0d4f5bbd _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xf5bbd)
                #9  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #10 0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3870:
                #0  0x00007f8f0cea9169 __futex_abstimed_wait_common (libc.so.6 + 0x8b169)
                #1  0x00007f8f0ceabb09 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8db09)
                #2  0x00007f8ee9b6abfd cnd_wait (iris_dri.so + 0x16abfd)
                #3  0x00007f8ee9b1962b util_queue_thread_func (iris_dri.so + 0x11962b)
                #4  0x00007f8ee9b6ab2c impl_thrd_routine (iris_dri.so + 0x16ab2c)
                #5  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #6  0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3869:
                #0  0x00007f8f0cea9169 __futex_abstimed_wait_common (libc.so.6 + 0x8b169)
                #1  0x00007f8f0ceabb09 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8db09)
                #2  0x00007f8ee9b6abfd cnd_wait (iris_dri.so + 0x16abfd)
                #3  0x00007f8ee9b1962b util_queue_thread_func (iris_dri.so + 0x11962b)
                #4  0x00007f8ee9b6ab2c impl_thrd_routine (iris_dri.so + 0x16ab2c)
                #5  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #6  0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3906:
                #0  0x00007f8f0cf260c0 ppoll (libc.so.6 + 0x1080c0)
                #1  0x00007f8f0d7029fd _Z12qt_safe_pollP6pollfdmPK8timespec (libQt5Core.so.5 + 0x3029fd)
                #2  0x00007f8f0cd80ad3 _ZNK26QNativeSocketEnginePrivate12nativeSelectEibbPbS0_ (libQt5Network.so.5 + 0x11cad3)
                #3  0x00007f8f0cd7e635 _ZN19QNativeSocketEngine18waitForReadOrWriteEPbS0_bbiS0_ (libQt5Network.so.5 + 0x11a635)
                #4  0x00007f8f0cd6c271 _ZN15QAbstractSocket16waitForReadyReadEi (libQt5Network.so.5 + 0x108271)
                #5  0x00007f8f0f25e9c2 _ZN3KIO17ConnectionBackend19waitForIncomingTaskEi (libKF5KIOCore.so.5 + 0x559c2)
                #6  0x00007f8f0f29180a _ZN3KIO9SlaveBase12dispatchLoopEv (libKF5KIOCore.so.5 + 0x8880a)
                #7  0x00007f8f0f30f628 _ZN3KIO12WorkerThread3runEv (libKF5KIOCore.so.5 + 0x106628)
                #8  0x00007f8f0d4f5bbd _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xf5bbd)
                #9  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #10 0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3909:
                #0  0x00007f8f0cf260c0 ppoll (libc.so.6 + 0x1080c0)
                #1  0x00007f8f0d7029fd _Z12qt_safe_pollP6pollfdmPK8timespec (libQt5Core.so.5 + 0x3029fd)
                #2  0x00007f8f0cd80ad3 _ZNK26QNativeSocketEnginePrivate12nativeSelectEibbPbS0_ (libQt5Network.so.5 + 0x11cad3)
                #3  0x00007f8f0cd7e635 _ZN19QNativeSocketEngine18waitForReadOrWriteEPbS0_bbiS0_ (libQt5Network.so.5 + 0x11a635)
                #4  0x00007f8f0cd6c271 _ZN15QAbstractSocket16waitForReadyReadEi (libQt5Network.so.5 + 0x108271)
                #5  0x00007f8f0f25e9c2 _ZN3KIO17ConnectionBackend19waitForIncomingTaskEi (libKF5KIOCore.so.5 + 0x559c2)
                #6  0x00007f8f0f29180a _ZN3KIO9SlaveBase12dispatchLoopEv (libKF5KIOCore.so.5 + 0x8880a)
                #7  0x00007f8f0f30f628 _ZN3KIO12WorkerThread3runEv (libKF5KIOCore.so.5 + 0x106628)
                #8  0x00007f8f0d4f5bbd _ZN14QThreadPrivate5startEPv (libQt5Core.so.5 + 0xf5bbd)
                #9  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #10 0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                
                Stack trace of thread 3868:
                #0  0x00007f8f0cea9169 __futex_abstimed_wait_common (libc.so.6 + 0x8b169)
                #1  0x00007f8f0ceabb09 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8db09)
                #2  0x00007f8ee9b6abfd cnd_wait (iris_dri.so + 0x16abfd)
                #3  0x00007f8ee9b1962b util_queue_thread_func (iris_dri.so + 0x11962b)
                #4  0x00007f8ee9b6ab2c impl_thrd_routine (iris_dri.so + 0x16ab2c)
                #5  0x00007f8f0ceac897 start_thread (libc.so.6 + 0x8e897)
                #6  0x00007f8f0cf336bc __clone3 (libc.so.6 + 0x1156bc)
                ELF object binary architecture: AMD x86-64
Comment 38 Matthias Gruß 2023-12-05 22:47:53 UTC 
Application: Dolphin (dolphin), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f493e91f5c8 in KCoreDirListerCache::slotUpdateResult(KJob*) () at /lib64/libKF5KIOCore.so.5
#5  0x00007f493cce8871 in void doActivate<false>(QObject*, int, void**) () at /lib64/libQt5Core.so.5
#6  0x00007f493e0e6706 in KJob::result(KJob*, KJob::QPrivateSignal) () at /lib64/libKF5CoreAddons.so.5
#7  0x00007f493e0ec5bb in KJob::finishJob(bool) () at /lib64/libKF5CoreAddons.so.5
#8  0x00007f493cce8871 in void doActivate<false>(QObject*, int, void**) () at /lib64/libQt5Core.so.5
#9  0x00007f493e8c5bc8 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () at /lib64/libKF5KIOCore.so.5
#10 0x00007f493e8c07fb in KIO::SlaveInterface::dispatch() () at /lib64/libKF5KIOCore.so.5
#11 0x00007f493e8c3251 in KIO::Slave::gotInput() () at /lib64/libKF5KIOCore.so.5
#12 0x00007f493cce8871 in void doActivate<false>(QObject*, int, void**) () at /lib64/libQt5Core.so.5
#13 0x00007f493ccdf11b in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#14 0x00007f493d9aeb75 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#15 0x00007f493ccb4598 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#16 0x00007f493ccb7a45 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#17 0x00007f493cd06fef in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#18 0x00007f493a912e5c in g_main_context_dispatch_unlocked.lto_priv () at /lib64/libglib-2.0.so.0
#19 0x00007f493a96ddd8 in g_main_context_iterate_unlocked.isra () at /lib64/libglib-2.0.so.0
#20 0x00007f493a910ad3 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#21 0x00007f493cd06ad9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#22 0x00007f493ccb2f5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#23 0x00007f493ccbb1eb in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#24 0x0000559e85ff9055 in main ()
[Inferior 1 (process 5596) detached]
Comment 39 Méven Car 2023-12-06 10:49:58 UTC 
(In reply to Matthias Gruß from comment #37)
> In my case, it is about the share on a Synology NAS. 
> After calling smb://192.168.2.150/ the login and password are requested.
> 
> Output in the terminal when calling without slash (192.168.2.150):
> 
> matthias@fedora-notebook:~$ dolphin
> kf.kio.core: Internal error: itemsInUse did not contain
> QUrl("smb://matsch@192.168.2.150/")

That's helpful.

I don't reproduce using Dolphin Version 23.08.1 with KF Version 5.110.
Connecting to my local debian samba server `smb://192.168.1.16` works fine with my Kubuntu 23.10.
Comment 40 Akseli Lahtinen 2023-12-08 08:10:45 UTC 
*** Bug 478167 has been marked as a duplicate of this bug. ***
Comment 41 Akseli Lahtinen 2023-12-08 08:22:32 UTC 
(In reply to Matthias Gruß from comment #34)
> Dolphin 23.08.3 on Fedora 39 KDE Plasma.
> smb://192.168.2.150 crashes Dolphin, smb://192.168.2.150/ works fine.

Hi, could you try this in Plasma 6 as well, so we can see if it's fixed? You can install KDE Neon Unstable in a virtual machine. In that virtual machine, you can also install debug symbols for dolphin, kio and kio-extras. Please report the result with a possible backtrace.

Thank you for the help!
Comment 42 Akseli Lahtinen 2023-12-11 08:24:20 UTC 
*** Bug 459762 has been marked as a duplicate of this bug. ***
Comment 43 Andres 2023-12-23 22:04:08 UTC 
recently tried repoducing https://bugs.kde.org/show_bug.cgi?id=474066 and it works fine  on my system 
seems it was fixed at some point 
Operating System: Garuda Linux 
KDE Plasma Version: 5.27.10
KDE Frameworks Version: 5.113.0
Qt Version: 5.15.11
Kernel Version: 6.6.8-1-cachyos (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5600X 6-Core Processor
Memory: 31.3 GiB of RAM
Graphics Processor: AMD Radeon RX 6700 XT
Comment 44 Nicolas Fella 2024-01-19 15:59:56 UTC 
With current master/Qt6:

QUdpSocket::setMulticastInterface() called on a QUdpSocket when not in QUdpSocket::BoundState
ASSERT: "!listers.isEmpty()" in file /home/nico/kde/src/kio/src/core/kcoredirlister.cpp, line 1679

#0  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
#1  0x00007ffff3eae8a3 in __pthread_kill_internal (signo=6, threadid=<optimized out>) at pthread_kill.c:78
#2  0x00007ffff3e5c8ee in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#3  0x00007ffff3e448ff in __GI_abort () at abort.c:79
#4  0x00007ffff44b7b46 in qAbort () at /home/nico/workspace/qt6/qtbase/src/corelib/global/qglobal.cpp:161
#5  0x00007ffff44ee67d in qt_message_fatal<QString&> (message=..., context=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/global/qlogging.cpp:2033
#6  qt_message(QtMsgType, const QMessageLogContext &, const char *, typedef __va_list_tag __va_list_tag *)
    (msgType=msgType@entry=QtFatalMsg, context=..., msg=msg@entry=0x7ffff4841ed8 "ASSERT: \"%s\" in file %s, line %d", ap=ap@entry=0x7fffffffbec8)
    at /home/nico/workspace/qt6/qtbase/src/corelib/global/qlogging.cpp:374
#7  0x00007ffff44b86d2 in QMessageLogger::fatal (this=this@entry=0x7fffffffbfa0, msg=msg@entry=0x7ffff4841ed8 "ASSERT: \"%s\" in file %s, line %d")
    at /home/nico/workspace/qt6/qtbase/src/corelib/global/qlogging.cpp:897
#8  0x00007ffff44b7ac4 in qt_assert (assertion=<optimized out>, file=<optimized out>, line=<optimized out>)
    at /home/nico/workspace/qt6/qtbase/src/corelib/global/qassert.cpp:68
#9  0x00007ffff7187142 in KCoreDirListerCache::slotUpdateResult (this=0x9c6cd0, j=0x123fac0) at /home/nico/kde/src/kio/src/core/kcoredirlister.cpp:1679
#10 0x00007ffff71bc8be in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<KJob*>, void, void (KCoreDirListerCache::*)(KJob*)>::call
    (f=(void (KCoreDirListerCache::*)(class KCoreDirListerCache * const, class KJob *)) 0x7ffff7186ed2 <KCoreDirListerCache::slotUpdateResult(KJob*)>, o=0x9c6cd0, arg=0x7fffffffc600) at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:145
#11 0x00007ffff71b6b1c in QtPrivate::FunctionPointer<void (KCoreDirListerCache::*)(KJob*)>::call<QtPrivate::List<KJob*>, void>
    (f=(void (KCoreDirListerCache::*)(class KCoreDirListerCache * const, class KJob *)) 0x7ffff7186ed2 <KCoreDirListerCache::slotUpdateResult(KJob*)>, o=0x9c6cd0, arg=0x7fffffffc600) at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:182
#12 0x00007ffff71ae175 in QtPrivate::QCallableObject<void (KCoreDirListerCache::*)(KJob*), QtPrivate::List<KJob*>, void>::impl
    (which=1, this_=0x129fb00, r=0x9c6cd0, a=0x7fffffffc600, ret=0x0) at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:553
#13 0x00007ffff45bc723 in QtPrivate::QSlotObjectBase::call (a=0x7fffffffc600, r=0x9c6cd0, this=0x129fb00)
    at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobjectdefs_impl.h:469
#14 doActivate<false> (sender=0x123fac0, signal_index=6, argv=0x7fffffffc600) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobject.cpp:4059
#15 0x00007ffff45b3e0f in QMetaObject::activate
    (sender=sender@entry=0x123fac0, m=m@entry=0x7ffff65fc100 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fffffffc600)
    at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobject.cpp:4119
#16 0x00007ffff65b3ec3 in KJob::result (this=this@entry=0x123fac0, _t1=<optimized out>, _t1@entry=0x123fac0, _t2=...)
    at /home/nico/kde/build/kcoreaddons/src/lib/KF6CoreAddons_autogen/include/moc_kjob.cpp:620
#17 0x00007ffff65b493b in KJob::finishJob (this=0x123fac0, emitResult=<optimized out>) at /home/nico/kde/src/kcoreaddons/src/lib/jobs/kjob.cpp:98
#18 0x00007ffff7112173 in KIO::SimpleJob::slotFinished (this=0x123fac0) at /home/nico/kde/src/kio/src/core/simplejob.cpp:229
#19 0x00007ffff710a13a in KIO::ListJob::slotFinished (this=0x123fac0) at /home/nico/kde/src/kio/src/core/listjob.cpp:236
#20 0x00007ffff7115a17 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void (KIO::SimpleJob::*)()>::call(void (KIO::SimpleJob::*)(), KIO::SimpleJob*, void**) (f=&virtual KIO::SimpleJob::slotFinished(), o=0x123fac0, arg=0x7fffffffc8d0) at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:145
#21 0x00007ffff711578c in QtPrivate::FunctionPointer<void (KIO::SimpleJob::*)()>::call<QtPrivate::List<>, void>(void (KIO::SimpleJob::*)(), KIO::SimpleJob*, void**)
    (f=&virtual KIO::SimpleJob::slotFinished(), o=0x123fac0, arg=0x7fffffffc8d0) at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:182
#22 0x00007ffff711554d in QtPrivate::QCallableObject<void (KIO::SimpleJob::*)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (which=1, this_=0x811ec0, r=0x123fac0, a=0x7fffffffc8d0, ret=0x0) at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:553
#23 0x00007ffff45bc723 in QtPrivate::QSlotObjectBase::call (a=0x7fffffffc8d0, r=0x123fac0, this=0x811ec0)
    at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobjectdefs_impl.h:469
#24 doActivate<false> (sender=0x182d850, signal_index=7, argv=0x7fffffffc8d0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobject.cpp:4059
#25 0x00007ffff71d4dad in KIO::WorkerInterface::finished (this=0x182d850) at /home/nico/kde/build/kio/src/core/KF6KIOCore_autogen/include/moc_workerinterface_p.cpp:523
#26 0x00007ffff71d2684 in KIO::WorkerInterface::dispatch (this=0x182d850, _cmd=104, rawdata=...) at /home/nico/kde/src/kio/src/core/workerinterface.cpp:129
#27 0x00007ffff71d231c in KIO::WorkerInterface::dispatch (this=0x182d850) at /home/nico/kde/src/kio/src/core/workerinterface.cpp:60
#28 0x00007ffff71cfe37 in KIO::Worker::gotInput (this=0x182d850) at /home/nico/kde/src/kio/src/core/worker.cpp:263
#29 0x00007ffff71d1fa8 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void (KIO::Worker::*)()>::call(void (KIO::Worker::*)(), KIO::Worker*, void**) (f=(void (KIO::Worker::*)(class KIO::Worker * const)) 0x7ffff71cfdf4 <KIO::Worker::gotInput()>, o=0x182d850, arg=0x7fffffffcdf0)
    at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:145
#30 0x00007ffff71d1eec in QtPrivate::FunctionPointer<void (KIO::Worker::*)()>::call<QtPrivate::List<>, void>(void (KIO::Worker::*)(), KIO::Worker*, void**)
    (f=(void (KIO::Worker::*)(class KIO::Worker * const)) 0x7ffff71cfdf4 <KIO::Worker::gotInput()>, o=0x182d850, arg=0x7fffffffcdf0)
--Type <RET> for more, q to quit, c to continue without paging--c
    at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:182
#31 0x00007ffff71d1d91 in QtPrivate::QCallableObject<void (KIO::Worker::*)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*)
    (which=1, this_=0x10cb140, r=0x182d850, a=0x7fffffffcdf0, ret=0x0) at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:553
#32 0x00007ffff45bc723 in QtPrivate::QSlotObjectBase::call (a=0x7fffffffcdf0, r=0x182d850, this=0x10cb140)
    at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobjectdefs_impl.h:469
#33 doActivate<false> (sender=0x19aa040, signal_index=3, argv=0x7fffffffcdf0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobject.cpp:4059
#34 0x00007ffff7050011 in KIO::Connection::readyRead (this=0x19aa040) at /home/nico/kde/build/kio/src/core/KF6KIOCore_autogen/include/moc_connection_p.cpp:137
#35 0x00007ffff704f151 in KIO::ConnectionPrivate::dequeue (this=0x1bd4650) at /home/nico/kde/src/kio/src/core/connection.cpp:31
#36 0x00007ffff704fca5 in operator() (__closure=0xe5b080) at /home/nico/kde/src/kio/src/core/connection.cpp:223
#37 0x00007ffff7050e1e in QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, KIO::Connection::read(int*, QByteArray&)::<lambda()> >::call(struct {...} &, void **) (f=..., arg=0x182c118) at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:137
#38 0x00007ffff7050d95 in QtPrivate::FunctorCallable<KIO::Connection::read(int*, QByteArray&)::<lambda()> >::call<QtPrivate::List<>, void>(struct {...} &, void *, void **) (f=..., arg=0x182c118) at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:345
#39 0x00007ffff7050c72 in QtPrivate::QCallableObject<KIO::Connection::read(int*, QByteArray&)::<lambda()>, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=1, this_=0xe5b070, r=0x19aa040, a=0x182c118, ret=0x0) at /home/nico/kde/usr/include/QtCore/qobjectdefs_impl.h:555
#40 0x00007ffff45af1e4 in QObject::event (this=0x19aa040, e=0x182c0d0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobject.cpp:1446
#41 0x00007ffff5781ac1 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x19aa040, e=0x182c0d0)
    at /home/nico/workspace/qt6/qtbase/src/widgets/kernel/qapplication.cpp:3298
#42 0x00007ffff455f2c8 in QCoreApplication::notifyInternal2 (receiver=0x19aa040, event=0x182c0d0)
    at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1134
#43 0x00007ffff455f489 in QCoreApplication::sendEvent (receiver=<optimized out>, event=<optimized out>)
    at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1575
#44 0x00007ffff4562a11 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x5506a0)
    at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1946
#45 0x00007ffff4562cf8 in QCoreApplication::sendPostedEvents (receiver=<optimized out>, event_type=<optimized out>)
    at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1803
#46 0x00007ffff480a693 in postEventSourceDispatch (s=0x5d3570) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:244
#47 0x00007ffff30aee5c in g_main_dispatch (context=0x7fffdc000ef0) at ../glib/gmain.c:3476
#48 g_main_context_dispatch_unlocked (context=0x7fffdc000ef0) at ../glib/gmain.c:4284
#49 0x00007ffff3109f18 in g_main_context_iterate_unlocked.isra.0
    (context=context@entry=0x7fffdc000ef0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4349
#50 0x00007ffff30acad3 in g_main_context_iteration (context=0x7fffdc000ef0, may_block=1) at ../glib/gmain.c:4414
#51 0x00007ffff4809fac in QEventDispatcherGlib::processEvents (this=0x553600, flags=...)
    at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:394
#52 0x00007ffff456ac3b in QEventLoop::exec (this=this@entry=0x7fffffffd3b0, flags=..., flags@entry=...)
    at /home/nico/workspace/qt6/qtbase/src/corelib/global/qflags.h:34
#53 0x00007ffff4567632 in QCoreApplication::exec () at /home/nico/workspace/qt6/qtbase/src/corelib/global/qflags.h:74
#54 0x00007ffff4db2d5c in QGuiApplication::exec () at /home/nico/workspace/qt6/qtbase/src/gui/kernel/qguiapplication.cpp:1926
#55 0x00007ffff5781a35 in QApplication::exec () at /home/nico/workspace/qt6/qtbase/src/widgets/kernel/qapplication.cpp:2568
#56 0x0000000000449ae1 in main (argc=<optimized out>, argv=<optimized out>) at /home/nico/kde/src/dolphin/src/main.cpp:255
Comment 45 Akseli Lahtinen 2024-02-01 14:12:07 UTC 
*** Bug 469190 has been marked as a duplicate of this bug. ***
Comment 46 Ramon Marquez 2024-03-02 01:59:56 UTC 
In kde Plasma 6.0 KDE Connect still fails when trying to access the associated mobile device.
Comment 47 james 2024-03-04 18:13:47 UTC 
I encountered this issue today, 
Garuda Linux, Kernel 6.7.5, Dolphin Version 23.08.5
If I type the address as "smb://10.1.1.250" it will ask for my credentials then crash
If I type the address as "smb://10.1.1.250/" it will ask for credentials and works normally
Comment 48 Enrique 2024-03-04 20:13:08 UTC 
(In reply to james from comment #47)
> I encountered this issue today, 
> Garuda Linux, Kernel 6.7.5, Dolphin Version 23.08.5
> If I type the address as "smb://10.1.1.250" it will ask for my credentials
> then crash
> If I type the address as "smb://10.1.1.250/" it will ask for credentials and
> works normally

Kernel: x86_64 Linux 6.5.0-21-generic, Dolphin Version 21.12.3
Same behavior. No crash with trailing slash. Thanks!
Comment 49 Méven Car 2024-03-30 13:07:14 UTC 
Could a duplicate of 
https://bugs.kde.org/show_bug.cgi?id=473488
Manifesting the issue at a different stage.

I would be very curious to know whether after KDE Frameworks 6.1 the issue is fixed.
(commit https://invent.kde.org/frameworks/kio/-/commit/b184cad07de7cefe9bccff500ad6b022ce3018c1)
Comment 50 Till Seifert 2024-05-12 14:48:17 UTC 
Created attachment 169397 [details]
Terminal output Dolphin 24.02.2 KF 6.1

Still happens with:

Dolphin: 24.02.2
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.1.0
Qt Version: 6.7.0
Kernel Version: 6.6.5-060605-generic (64-bit)
Graphics Platform: X11

Log attached
Comment 51 Méven Car 2024-05-12 16:23:47 UTC 
(In reply to Till Seifert from comment #50)
> Created attachment 169397 [details]
> Terminal output Dolphin 24.02.2 KF 6.1
> 
> Still happens with:
> 
> Dolphin: 24.02.2
> KDE Plasma Version: 6.0.4
> KDE Frameworks Version: 6.1.0
> Qt Version: 6.7.0
> Kernel Version: 6.6.5-060605-generic (64-bit)
> Graphics Platform: X11
> 
> Log attached

from the logs:

```
org.kde.drkonqi.parser: line "This GDB supports auto-downloading debuginfo from the following URLs:\n" did not match
org.kde.drkonqi.parser: line "https://debuginfod.neon.kde.org/ \n" did not match
org.kde.drkonqi.parser: line "Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]\n" did not match
org.kde.drkonqi.parser: line "Debuginfod has been disabled.\
```
Please enabled `Debuginfod` so that the logs/and or crashes trace can help.
You might be using TW that does not support debuginfod unfortunately.
The current logs are not informative.

Without more information, I can tell if that's the same crash or a different one.
Comment 52 Till Seifert 2024-05-12 19:20:12 UTC 
> Please enabled `Debuginfod` so that the logs/and or crashes trace can help.
> You might be using TW that does not support debuginfod unfortunately.
> The current logs are not informative.

I actually have it activates in .gdbinit, it seem to be ignored. maybe related: https://bugs.kde.org/show_bug.cgi?id=484974

With Neon 22.04, can i install the need dbgsym packages manually?
I installed dolphin-dbgsym and kf6-kio-dbgsym , but the trace looks not much different when i repro, but it will attach it
Comment 53 Till Seifert 2024-05-12 19:21:54 UTC 
Created attachment 169401 [details]
Terminal output Dolphin 24.02.2 KF 6.1 with kf6-kio-dbgsym and dolphin-dgbsym
Comment 54 Méven Car 2024-05-13 10:06:47 UTC 
(In reply to Till Seifert from comment #53)
> Created attachment 169401 [details]
> Terminal output Dolphin 24.02.2 KF 6.1 with kf6-kio-dbgsym and dolphin-dgbsym

Thank you  for the effort.

Could you also install the dbgsym for libglib and libQt6Core.
You should be able to use `coredumpctl -1 info dolphin` to get the trace without having to reproduce the issue again.
Comment 55 Till Seifert 2024-05-13 15:50:34 UTC 
> You should be able to use `coredumpctl -1 info dolphin` to get the trace
> without having to reproduce the issue again.

i'm not familiar enough with gdb to convert those into symbolized traces. and for some reason the crash handler now stopped outputting the gdb output to the terminal, it just stop after the crash:/

i ran dolphin with gdb manually, and this way also the auto-download of symbols works\o/.

it logged a 'bt full' and will attach it
Comment 56 Till Seifert 2024-05-13 15:51:34 UTC 
Created attachment 169445 [details]
gdb bt full Dolphin 24.02.2 KF 6.1
Comment 57 Vojtěch Weiss 2024-05-13 19:55:45 UTC 
It looks like it is crashing due to testparm spitting warning about GnuTLS....

Syptoms are the same: anytime I try to open any SMB share, it crashes. I can view smb:// just fine, but I am unable to open any SMB server
(like smb://10.43.16.2/video).

I have tried to reinstall all kio packages, anything related to Dolphin, and also all samba packages. This happened after an upgrade from Kubuntu 23.04 to 24.04 (direct, just replaced sources, updated 3rd party ppa's, and then was done with).

https://gist.github.com/virnik0/da7b7fd8f76f40c9492d05cec07eae39
Comment 58 dhekir 2024-05-16 09:40:05 UTC 
I'm having similar crashes since upgrading to Fedora 40 KDE Spin (Dolphin 24.02.1). In my case, it's an internal company server (there are several of them, but only one of them causes the crash; logging into the other servers works as usual).

Just in case, here's what I got at the end of the log, when running `valgrind dolphin smb://<server>` (redacted domain/user/server):

kf.kio.core: Internal error: itemsInUse did not contain QUrl("smb://<domain>%5C<user>@<server>/")
==48450== Invalid read of size 8
==48450==    at 0x4F1AB06: UnknownInlinedFun (qarraydatapointer.h:114)
==48450==    by 0x4F1AB06: UnknownInlinedFun (qarraydatapointer.h:120)
==48450==    by 0x4F1AB06: UnknownInlinedFun (qlist.h:611)
==48450==    by 0x4F1AB06: KCoreDirListerCache::slotUpdateResult(KJob*) (kcoredirlister.cpp:1729)
==48450==    by 0x6CD8693: call (qobjectdefs_impl.h:433)
==48450==    by 0x6CD8693: void doActivate<false>(QObject*, int, void**) (qobject.cpp:4039)
==48450==    by 0x5686335: KJob::result(KJob*, KJob::QPrivateSignal) (moc_kjob.cpp:793)
==48450==    by 0x568D00A: KJob::finishJob(bool) (kjob.cpp:98)
==48450==    by 0x6CD8693: call (qobjectdefs_impl.h:433)
==48450==    by 0x6CD8693: void doActivate<false>(QObject*, int, void**) (qobject.cpp:4039)
==48450==    by 0x4F3288C: UnknownInlinedFun (moc_workerinterface_p.cpp:639)
==48450==    by 0x4F3288C: KIO::WorkerInterface::dispatch(int, QByteArray const&) (workerinterface.cpp:129)
==48450==    by 0x4F2B35B: KIO::WorkerInterface::dispatch() (workerinterface.cpp:60)
==48450==    by 0x4F2D649: KIO::Worker::gotInput() [clone .part.0] (worker.cpp:263)
==48450==    by 0x6CD8693: call (qobjectdefs_impl.h:433)
==48450==    by 0x6CD8693: void doActivate<false>(QObject*, int, void**) (qobject.cpp:4039)
==48450==    by 0x6CC85B4: QObject::event(QEvent*) (qobject.cpp:1437)
==48450==    by 0x5BA6F67: QApplicationPrivate::notify_helper(QObject*, QEvent*) (qapplication.cpp:3296)
==48450==    by 0x6C75227: QCoreApplication::notifyInternal2(QObject*, QEvent*) (qcoreapplication.cpp:1121)
==48450==  Address 0x38 is not stack'd, malloc'd or (recently) free'd
==48450== 
KCrash: Application 'dolphin' crashing... crashRecursionCounter = 2
==48450== 
==48450== Process terminating with default action of signal 11 (SIGSEGV): dumping core
==48450==    at 0x7464144: __pthread_kill_implementation (in /usr/lib64/libc.so.6)
==48450==    by 0x740C65D: raise (in /usr/lib64/libc.so.6)
==48450==    by 0x4FB3654: KCrash::defaultCrashHandler(int) (kcrash.cpp:586)
==48450==    by 0x740C70F: ??? (in /usr/lib64/libc.so.6)
==48450==    by 0x4F1AB05: KCoreDirListerCache::slotUpdateResult(KJob*) (kcoredirlister.cpp:1725)
==48450==    by 0x6CD8693: call (qobjectdefs_impl.h:433)
==48450==    by 0x6CD8693: void doActivate<false>(QObject*, int, void**) (qobject.cpp:4039)
==48450==    by 0x5686335: KJob::result(KJob*, KJob::QPrivateSignal) (moc_kjob.cpp:793)
==48450==    by 0x568D00A: KJob::finishJob(bool) (kjob.cpp:98)
==48450==    by 0x6CD8693: call (qobjectdefs_impl.h:433)
==48450==    by 0x6CD8693: void doActivate<false>(QObject*, int, void**) (qobject.cpp:4039)
==48450==    by 0x4F3288C: UnknownInlinedFun (moc_workerinterface_p.cpp:639)
==48450==    by 0x4F3288C: KIO::WorkerInterface::dispatch(int, QByteArray const&) (workerinterface.cpp:129)
==48450==    by 0x4F2B35B: KIO::WorkerInterface::dispatch() (workerinterface.cpp:60)
==48450==    by 0x4F2D649: KIO::Worker::gotInput() [clone .part.0] (worker.cpp:263)
Comment 59 cwo 2024-07-31 18:16:37 UTC 
*** Bug 482502 has been marked as a duplicate of this bug. ***
Comment 60 cwo 2024-07-31 18:16:40 UTC 
*** Bug 490543 has been marked as a duplicate of this bug. ***
Comment 61 Bug Janitor Service 2024-08-23 14:09:22 UTC 
A possibly relevant merge request was started @ https://invent.kde.org/frameworks/kio/-/merge_requests/1700
Comment 62 Méven Car 2024-08-25 13:16:15 UTC 
*** Bug 487834 has been marked as a duplicate of this bug. ***
Comment 63 TraceyC 2024-10-24 22:43:03 UTC 
*** Bug 493403 has been marked as a duplicate of this bug. ***
Comment 64 TraceyC 2025-03-24 20:00:56 UTC 
Setting back to Confirmed, the related MR was closed but not merged
Comment 65 TraceyC 2025-04-22 20:33:45 UTC 
*** Bug 503165 has been marked as a duplicate of this bug. ***
Comment 66 TraceyC 2025-04-22 20:34:06 UTC 
*** Bug 503172 has been marked as a duplicate of this bug. ***
Comment 67 TraceyC 2025-04-22 20:39:47 UTC 
*** Bug 499113 has been marked as a duplicate of this bug. ***
Comment 68 TapGhoul 2025-04-22 21:05:45 UTC 
Wanted to comment on how it reproduces on my end - not sure if it's relevant to this bug or not but it was in mine (which was closed and moved here) - this occurs when navigating to a share via wsd (Network -> Shared Folders (SMB) -> my machine) but if hitting it directly via smb://my-machine-name/ it handles it just fine.
It also breaks if I don't include the trailing slash.

In my case, the relevant URIs:
smb://taps-vr-pc/ - fine
smb://tap@taps-vr-pc/ - fine
smb://tap@taps-vr-pc - fine
smb://taps-vr-pc.kio-discovery-wsd/ - crash
smb://taps-vr-pc - crash
Comment 69 Norbert 2025-04-22 21:50:48 UTC 
(In reply to TapGhoul from comment #68)
> Wanted to comment on how it reproduces on my end - not sure if it's relevant
> to this bug or not but it was in mine (which was closed and moved here) -
> this occurs when navigating to a share via wsd (Network -> Shared Folders
> (SMB) -> my machine) but if hitting it directly via smb://my-machine-name/
> it handles it just fine.
> It also breaks if I don't include the trailing slash.
> 
> In my case, the relevant URIs:
> smb://taps-vr-pc/ - fine
> smb://tap@taps-vr-pc/ - fine
> smb://tap@taps-vr-pc - fine
> smb://taps-vr-pc.kio-discovery-wsd/ - crash
> smb://taps-vr-pc - crash

Regular "browsing" through the folder crashes it, but all of the methods you described I also have tested it, and yes, I had the same results too.
Comment 70 TraceyC 2025-04-23 19:19:52 UTC 
*** Bug 503068 has been marked as a duplicate of this bug. ***
Comment 71 glward 2025-04-24 11:16:45 UTC 
(In reply to TapGhoul from comment #68)
> Wanted to comment on how it reproduces on my end - not sure if it's relevant
> to this bug or not but it was in mine (which was closed and moved here) -
> this occurs when navigating to a share via wsd (Network -> Shared Folders
> (SMB) -> my machine) but if hitting it directly via smb://my-machine-name/
> it handles it just fine.
> It also breaks if I don't include the trailing slash.
> 
> In my case, the relevant URIs:
> smb://taps-vr-pc/ - fine
> smb://tap@taps-vr-pc/ - fine
> smb://tap@taps-vr-pc - fine
> smb://taps-vr-pc.kio-discovery-wsd/ - crash
> smb://taps-vr-pc - crash

Seeing similar behavior:

In address bar:
smb://192.168.1.1 - crash
smb://192.168.1.1/ - fine

From a saved places shortcut:
remote:/synology - crash
remote:/synology/ - crash
smb://192.168.1.1/ - fine
Comment 72 useri 2025-04-24 19:15:24 UTC 
Can confirm:

From a saved places shortcut:
smb://192.168.1.1 - crash
smb://192.168.1.1/ - fine
Comment 73 robertshoop2 2025-04-26 09:18:17 UTC 
The below fixes accessing SMB shares in Fedora 42 as of 4-28-2025.

(In reply to useri from comment #72)
> Can confirm:
> 
> From a saved places shortcut:
> smb://192.168.1.1 - crash
> smb://192.168.1.1/ - fine
Comment 74 John Kizer 2025-04-29 17:47:16 UTC 
*** Bug 503503 has been marked as a duplicate of this bug. ***
Comment 75 John Kizer 2025-05-09 05:13:38 UTC 
*** Bug 503886 has been marked as a duplicate of this bug. ***
Comment 76 Oskar 2025-05-16 10:18:32 UTC 
I'm also confirming that adding a slash at the end of the path works fine, but without it dolphin crashes right after entering the credentials for the SMB share!
Comment 77 John Kizer 2025-05-27 18:44:38 UTC 
*** Bug 504725 has been marked as a duplicate of this bug. ***
Comment 78 luk 2025-05-27 21:14:49 UTC 
it still happens on Dolphin 25.04.1
KDE Plasma 6.3.5
KDE Frameworks 6.14.0
(Kubuntu 25.04)
Comment 79 TraceyC 2025-05-29 15:37:22 UTC 
*** Bug 504906 has been marked as a duplicate of this bug. ***
Comment 80 TraceyC 2025-06-10 21:20:34 UTC 
*** Bug 505396 has been marked as a duplicate of this bug. ***
Comment 81 TraceyC 2025-06-10 21:24:39 UTC 
*** Bug 503657 has been marked as a duplicate of this bug. ***
Comment 82 TraceyC 2025-06-17 20:13:46 UTC 
*** Bug 505697 has been marked as a duplicate of this bug. ***
Comment 83 Filip 2025-06-18 15:56:44 UTC 
*** Bug 505740 has been marked as a duplicate of this bug. ***
Comment 84 Michael Ambrose 2025-06-21 17:45:22 UTC 
On Dolphin 25.04.2 as of 2025-06-21 this is still an issue and adding a trailing slash still works as a workaround.
Comment 85 Christoph Cullmann 2025-06-23 18:44:35 UTC 
kf.kio.core: Internal error: itemsInUse did not contain QUrl("smb://<domain>%5C<user>@<server>/")
==48450== Invalid read of size 8
==48450==    at 0x4F1AB06: UnknownInlinedFun (qarraydatapointer.h:114)
==48450==    by 0x4F1AB06: UnknownInlinedFun (qarraydatapointer.h:120)
==48450==    by 0x4F1AB06: UnknownInlinedFun (qlist.h:611)
==48450==    by 0x4F1AB06: KCoreDirListerCache::slotUpdateResult(KJob*) (kcoredirlister.cpp:1729)
==48450==    by 0x6CD8693: call (qobjectdefs_impl.h:433)
==48450==    by 0x6CD8693: void doActivate<false>(QObject*, int, void**) (qobject.cpp:4039)
==48450==    by 0x5686335: KJob::result(KJob*, KJob::QPrivateSignal) (moc_kjob.cpp:793)
==48450==    by 0x568D00A: KJob::finishJob(bool) (kjob.cpp:98)
==48450==    by 0x6CD8693: call (qobjectdefs_impl.h:433)
==48450==    by 0x6CD8693: void doActivate<false>(QObject*, int, void**) (qobject.cpp:4039)
==48450==    by 0x4F3288C: UnknownInlinedFun (moc_workerinterface_p.cpp:639)
==48450==    by 0x4F3288C: KIO::WorkerInterface::dispatch(int, QByteArray const&) (workerinterface.cpp:129)
==48450==    by 0x4F2B35B: KIO::WorkerInterface::dispatch() (workerinterface.cpp:60)
==48450==    by 0x4F2D649: KIO::Worker::gotInput() [clone .part.0] (worker.cpp:263)
==48450==    by 0x6CD8693: call (qobjectdefs_impl.h:433)
==48450==    by 0x6CD8693: void doActivate<false>(QObject*, int, void**) (qobject.cpp:4039)
==48450==    by 0x6CC85B4: QObject::event(QEvent*) (qobject.cpp:1437)
==48450==    by 0x5BA6F67: QApplicationPrivate::notify_helper(QObject*, QEvent*) (qapplication.cpp:3296)
==48450==    by 0x6C75227: QCoreApplication::notifyInternal2(QObject*, QEvent*) (qcoreapplication.cpp:1121)
==48450==  Address 0x38 is not stack'd, malloc'd or (recently) free'd
==48450== 
KCrash: Application 'dolphin' crashing... crashRecursionCounter = 2
==48450== 
==48450== Process terminating with default action of signal 11 (SIGSEGV): dumping core
==48450==    at 0x7464144: __pthread_kill_implementation (in /usr/lib64/libc.so.6)
==48450==    by 0x740C65D: raise (in /usr/lib64/libc.so.6)
==48450==    by 0x4FB3654: KCrash::defaultCrashHandler(int) (kcrash.cpp:586)
==48450==    by 0x740C70F: ??? (in /usr/lib64/libc.so.6)
==48450==    by 0x4F1AB05: KCoreDirListerCache::slotUpdateResult(KJob*) (kcoredirlister.cpp:1725)
==48450==    by 0x6CD8693: call (qobjectdefs_impl.h:433)
==48450==    by 0x6CD8693: void doActivate<false>(QObject*, int, void**) (qobject.cpp:4039)
==48450==    by 0x5686335: KJob::result(KJob*, KJob::QPrivateSignal) (moc_kjob.cpp:793)
==48450==    by 0x568D00A: KJob::finishJob(bool) (kjob.cpp:98)
==48450==    by 0x6CD8693: call (qobjectdefs_impl.h:433)
==48450==    by 0x6CD8693: void doActivate<false>(QObject*, int, void**) (qobject.cpp:4039)
==48450==    by 0x4F3288C: UnknownInlinedFun (moc_workerinterface_p.cpp:639)
==48450==    by 0x4F3288C: KIO::WorkerInterface::dispatch(int, QByteArray const&) (workerinterface.cpp:129)
==48450==    by 0x4F2B35B: KIO::WorkerInterface::dispatch() (workerinterface.cpp:60)
==48450==    by 0x4F2D649: KIO::Worker::gotInput() [clone .part.0] (worker.cpp:263)
Comment 86 Christoph Cullmann 2025-06-23 18:45:01 UTC 
Somewhere we either strip or not-strip some slash too much...
Comment 87 Akseli Lahtinen 2025-06-24 10:22:45 UTC 
I finally managed to repro this crash. Looking into it. 

#0  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0)
at pthread_kill.c:44
#1  0x00007ff165c811e3 in __pthread_kill_internal (threadid=<optimized out>, signo=6) at pthread_kill.c:89
#2  0x00007ff165c27afe in __GI_raise (sig=6) at ../sysdeps/posix/raise.c:26
#3  0x00007ff16aeef40d in KCrash::defaultCrashHandler (sig=6) at /home/akseli/Repositories/kde/src/kcrash/src/kcrash.cpp:605
#4  0x00007ff165c27c30 in <signal handler called> () at /lib64/libc.so.6
#5  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0)
at pthread_kill.c:44
#6  0x00007ff165c811e3 in __pthread_kill_internal (threadid=<optimized out>, signo=6) at pthread_kill.c:89
#7  0x00007ff165c27afe in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#8  0x00007ff165c0f6d0 in __GI_abort () at abort.c:73
#9  0x00007ff16621ad1c in qAbort () at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/global/qassert.cpp:46
#10 0x00007ff16626e3f8 in qt_message_fatal<QString&> (context=<optimized out>, message=...)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/global/qlogging.cpp:2122
#11 qt_message(QtMsgType, const QMessageLogContext &, const char *, typedef __va_list_tag __va_list_tag *)
(msgType=msgType@entry=QtFatalMsg, context=..., msg=msg@entry=0x7ff1666f85f8 "ASSERT: \"%s\" in file %s, line %d", ap=ap@entry=0x7fffd6093508) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/global/qlogging.cpp:381
#12 0x00007ff16621c42e in QMessageLogger::fatal
(this=this@entry=0x7fffd6093740, msg=msg@entry=0x7ff1666f85f8 "ASSERT: \"%s\" in file %s, line %d")
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/global/qlogging.cpp:883
#13 0x00007ff16621ad7b in qt_assert (assertion=<optimized out>, file=<optimized out>, line=<optimized out>)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/global/qassert.cpp:105
#14 0x00007ff169d4177c in KCoreDirListerCache::slotUpdateResult (this=0xc598830, j=0xcee2c70)
at /home/akseli/Repositories/kde/src/kio/src/core/kcoredirlister.cpp:1678
#15 0x00007ff169d786ea in QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul>, QtPrivate::List<KJob*>, void, void (KCoreDirListerCache::*)(KJob*)>::call(void (KCoreDirListerCache::*)(KJob*), KCoreDirListerCache*, void**)::{lambda()#1}::operator()() const (__closure=0x7fffd6093cd0) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:127
#16 0x00007ff169d7c329 in QtPrivate::FunctorCallBase::call_internal<void, QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul>, QtPrivate::List<KJob*>, void, void (KCoreDirListerCache::*)(KJob*)>::call(void (KCoreDirListerCache::*)(KJob*), KCoreDirListerCache*, void**)::{lambda()#1}>(void**, QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul>, QtPrivate::List<KJob*>, void, void (KCoreDirListerCache::*)(KJob*)>::call(void (KCoreDirListerCache::*)(KJob*), KCoreDirListerCache*, void**)::{lambda()#1}&&) (args=0x7fffd6093e90, fn=...) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:65
#17 0x00007ff169d7874d in QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul>, QtPrivate::List<KJob*>, void, void (KCoreDirListerCache::*)(KJob*)>::call
--Type <RET> for more, q to quit, c to continue without paging--c
(f=(void (KCoreDirListerCache::*)(class KCoreDirListerCache * const, class KJob *)) 0x7ff169d41514 <KCoreDirListerCache::slotUpdateResult(KJob*)>, o=0xc598830, arg=0x7fffd6093e90) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:126
#18 0x00007ff169d71c72 in QtPrivate::FunctionPointer<void (KCoreDirListerCache::*)(KJob*)>::call<QtPrivate::List<KJob*>, void>
(f=(void (KCoreDirListerCache::*)(class KCoreDirListerCache * const, class KJob *)) 0x7ff169d41514 <KCoreDirListerCache::slotUpdateResult(KJob*)>, o=0xc598830, arg=0x7fffd6093e90) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:174
#19 0x00007ff169d6818b in QtPrivate::QCallableObject<void (KCoreDirListerCache::*)(KJob*), QtPrivate::List<KJob*>, void>::impl (which=1, this_=0xce65f90, r=0xc598830, a=0x7fffd6093e90, ret=0x0) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:545
#20 0x00007ff1663657ba in QtPrivate::QSlotObjectBase::call (this=0xce65f90, r=0xc598830, a=0x7fffd6093e90)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#21 doActivate<false> (sender=0xcee2c70, signal_index=6, argv=0x7fffd6093e90)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
#22 0x00007ff1684e7cd6 in QMetaObject::activate<void, KJob*, KJob::QPrivateSignal>
(sender=0xcee2c70, mo=0x649c40 <KJob::staticMetaObject>, local_signal_index=3, ret=0x0)
at /usr/include/qt6/QtCore/qobjectdefs.h:306
#23 0x00007ff1684e5ebf in KJob::result (this=0xcee2c70, _t1=0xcee2c70, _t2=...)
at /home/akseli/Repositories/kde/build/kcoreaddons/src/lib/KF6CoreAddons_autogen/include/moc_kjob.cpp:475
#24 0x00007ff1684e3837 in KJob::finishJob (this=0xcee2c70, emitResult=true)
at /home/akseli/Repositories/kde/src/kcoreaddons/src/lib/jobs/kjob.cpp:115
#25 0x00007ff1684e450f in KJob::emitResult (this=0xcee2c70)
at /home/akseli/Repositories/kde/src/kcoreaddons/src/lib/jobs/kjob.cpp:357
#26 0x00007ff169cdba3f in KIO::SimpleJob::slotFinished (this=0xcee2c70)
at /home/akseli/Repositories/kde/src/kio/src/core/simplejob.cpp:229
#27 0x00007ff169cd382b in KIO::ListJob::slotFinished (this=0xcee2c70)
at /home/akseli/Repositories/kde/src/kio/src/core/listjob.cpp:236
#28 0x00007ff169cdbb50 in KIO::SimpleJob::slotError (this=0xcee2c70, err=115, errorText=...)
at /home/akseli/Repositories/kde/src/kio/src/core/simplejob.cpp:242
#29 0x00007ff169cdf293 in QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul, 1ul>, QtPrivate::List<int, QString const&>, void, void (KIO::SimpleJob::*)(int, QString const&)>::call(void (KIO::SimpleJob::*)(int, QString const&), KIO::SimpleJob*, void**)::{lambda()#1}::operator()() const (__closure=0x7fffd60941b0)
at /usr/include/qt6/QtCore/qobjectdefs_impl.h:127
#30 0x00007ff169cdf60d in QtPrivate::FunctorCallBase::call_internal<void, QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul, 1ul>, QtPrivate::List<int, QString const&>, void, void (KIO::SimpleJob::*)(int, QString const&)>::call(void (KIO::SimpleJob::*)(int, QString const&), KIO::SimpleJob*, void**)::{lambda()#1}>(void**, QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul, 1ul>, QtPrivate::List<int, QString const&>, void, void (KIO::SimpleJob::*)(int, QString const&)>::call(void (KIO::SimpleJob::*)(int, QString const&), KIO::SimpleJob*, void**)::{lambda()#1}&&) (args=0x7fffd6094370, fn=...)
at /usr/include/qt6/QtCore/qobjectdefs_impl.h:65
#31 0x00007ff169cdf2f6 in QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul, 1ul>, QtPrivate::List<int, QString const&>, void, void (KIO::SimpleJob::*)(int, QString const&)>::call
(f=(void (KIO::SimpleJob::*)(class KIO::SimpleJob * const, int, const class QString &)) 0x7ff169cdba46 <KIO::SimpleJob::slotError(int, QString const&)>, o=0xcee2c70, arg=0x7fffd6094370) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:126
#32 0x00007ff169cdefe8 in QtPrivate::FunctionPointer<void (KIO::SimpleJob::*)(int, QString const&)>::call<QtPrivate::List<int, QString const&>, void>
(f=(void (KIO::SimpleJob::*)(class KIO::SimpleJob * const, int, const class QString &)) 0x7ff169cdba46 <KIO::SimpleJob::slotError(int, QString const&)>, o=0xcee2c70, arg=0x7fffd6094370) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:174
#33 0x00007ff169cdec71 in QtPrivate::QCallableObject<void (KIO::SimpleJob::*)(int, QString const&), QtPrivate::List<int, QString const&>, void>::impl (which=1, this_=0x7ff13c0030a0, r=0xcee2c70, a=0x7fffd6094370, ret=0x0)
at /usr/include/qt6/QtCore/qobjectdefs_impl.h:545
#34 0x00007ff1663657ba in QtPrivate::QSlotObjectBase::call (this=0x7ff13c0030a0, r=0xcee2c70, a=0x7fffd6094370)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#35 doActivate<false> (sender=0xced9810, signal_index=5, argv=0x7fffd6094370)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
#36 0x00007ff169d93eb1 in QMetaObject::activate<void, int, QString>
(sender=0xced9810, mo=0x7ff169f0ac80 <KIO::WorkerInterface::staticMetaObject>, local_signal_index=2, ret=0x0)
at /usr/include/qt6/QtCore/qobjectdefs.h:306
#37 0x00007ff169d92efe in KIO::WorkerInterface::error (this=0xced9810, _t1=115, _t2=...)
at /home/akseli/Repositories/kde/build/kio/src/core/KF6KIOCore_autogen/include/moc_workerinterface_p.cpp:329
#38 0x00007ff169d90e50 in KIO::WorkerInterface::dispatch (this=0xced9810, _cmd=102, rawdata=...)
at /home/akseli/Repositories/kde/src/kio/src/core/workerinterface.cpp:159
#39 0x00007ff169d906b4 in KIO::WorkerInterface::dispatch (this=0xced9810)
at /home/akseli/Repositories/kde/src/kio/src/core/workerinterface.cpp:58
#40 0x00007ff169d8d1b7 in KIO::Worker::gotInput (this=0xced9810)
at /home/akseli/Repositories/kde/src/kio/src/core/worker.cpp:261
#41 0x00007ff169d902d0 in QtPrivate::FunctorCall<std::integer_sequence<unsigned long>, QtPrivate::List<>, void, void (KIO::Worker::*)()>::call(void (KIO::Worker::*)(), KIO::Worker*, void**)::{lambda()#1}::operator()() const
(__closure=0x7fffd60947d0) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:127
#42 0x00007ff169d9040a in QtPrivate::FunctorCallBase::call_internal<void, QtPrivate::FunctorCall<std::integer_sequence<unsigned long>, QtPrivate::List<>, void, void (KIO::Worker::*)()>::call(void (KIO::Worker::*)(), KIO::Worker*, void**)::{lambda()#1}>(void**, QtPrivate::FunctorCall<std::integer_sequence<unsigned long>, QtPrivate::List<>, void, void (KIO::Worker::*)()>::call(void (KIO::Worker::*)(), KIO::Worker*, void**)::{lambda()#1}&&) (args=0x7fffd6094908, fn=...)
at /usr/include/qt6/QtCore/qobjectdefs_impl.h:65
#43 0x00007ff169d90333 in QtPrivate::FunctorCall<std::integer_sequence<unsigned long>, QtPrivate::List<>, void, void (KIO::Worker::*)()>::call(void (KIO::Worker::*)(), KIO::Worker*, void**)
(f=(void (KIO::Worker::*)(class KIO::Worker * const)) 0x7ff169d8d174 <KIO::Worker::gotInput()>, o=0xced9810, arg=0x7fffd6094908) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:126
#44 0x00007ff169d9021a in QtPrivate::FunctionPointer<void (KIO::Worker::*)()>::call<QtPrivate::List<>, void>(void (KIO::Worker::*)(), KIO::Worker*, void**)
(f=(void (KIO::Worker::*)(class KIO::Worker * const)) 0x7ff169d8d174 <KIO::Worker::gotInput()>, o=0xced9810, arg=0x7fffd6094908) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:174
#45 0x00007ff169d9005b in QtPrivate::QCallableObject<void (KIO::Worker::*)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (which=1, this_=0xced76b0, r=0xced9810, a=0x7fffd6094908, ret=0x0)
at /usr/include/qt6/QtCore/qobjectdefs_impl.h:545
#46 0x00007ff1663657ba in QtPrivate::QSlotObjectBase::call (this=0xced76b0, r=0xced9810, a=0x7fffd6094908)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#47 doActivate<false> (sender=0xcaf0870, signal_index=3, argv=0x7fffd6094908)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
#48 0x00007ff169c0cb83 in KIO::Connection::readyRead (this=0xcaf0870)
at /home/akseli/Repositories/kde/build/kio/src/core/KF6KIOCore_autogen/include/moc_connection_p.cpp:116
#49 0x00007ff169c0ba15 in KIO::ConnectionPrivate::dequeue (this=0xcdc2f60)
at /home/akseli/Repositories/kde/src/kio/src/core/connection.cpp:32
#50 0x00007ff169c0ba35 in operator() (__closure=0xcdaec30)
at /home/akseli/Repositories/kde/src/kio/src/core/connection.cpp:41
#51 0x00007ff169c0d909 in operator() (__closure=0x7fffd6094a40) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:116
#52 0x00007ff169c0da5c in QtPrivate::FunctorCallBase::call_internal<void, QtPrivate::FunctorCall<std::integer_sequence<long unsigned int>, QtPrivate::List<>, void, KIO::ConnectionPrivate::commandReceived(const KIO::Task&)::<lambda()> >::call(KIO::ConnectionPrivate::commandReceived(const KIO::Task&)::<lambda()>&, void**)::<lambda()> >(void **, struct {...} &&)
(args=0xce166b8, fn=...) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:65
#53 0x00007ff169c0d93f in QtPrivate::FunctorCall<std::integer_sequence<long unsigned int>, QtPrivate::List<>, void, KIO::ConnectionPrivate::commandReceived(const KIO::Task&)::<lambda()> >::call(struct {...} &, void **) (f=..., arg=0xce166b8)
at /usr/include/qt6/QtCore/qobjectdefs_impl.h:115
#54 0x00007ff169c0d7bd in QtPrivate::FunctorCallable<KIO::ConnectionPrivate::commandReceived(const KIO::Task&)::<lambda()> >::call<QtPrivate::List<>, void>(struct {...} &, void *, void **) (f=..., arg=0xce166b8)
at /usr/include/qt6/QtCore/qobjectdefs_impl.h:337
#55 0x00007ff169c0d5d1 in QtPrivate::QCallableObject<KIO::ConnectionPrivate::commandReceived(const KIO::Task&)::<lambda()>, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *)
(which=1, this_=0xcdaec20, r=0xcaf0870, a=0xce166b8, ret=0x0) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:547
#56 0x00007ff16635662c in QObject::event (this=<optimized out>, e=<optimized out>)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:1431
#57 0x00007ff16763d97f in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0xcaf0870, e=0xce16670)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3303
#58 0x00007ff1662f9f38 in QCoreApplication::notifyInternal2 (receiver=0xcaf0870, event=0xce16670)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1106
#59 0x00007ff1662fa19d in QCoreApplication::sendEvent (receiver=<optimized out>, event=<optimized out>)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1546
#60 0x00007ff1662fdd26 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xc0c5790)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1879
#61 0x00007ff16661016f in postEventSourceDispatch (s=0xc0cb1e0)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qeventdispatcher_glib.cpp:246
#62 0x00007ff1636eb880 in g_main_dispatch (context=0x7ff14c000f00) at ../glib/gmain.c:3398
#63 g_main_context_dispatch_unlocked (context=0x7ff14c000f00) at ../glib/gmain.c:4249
#64 0x00007ff1636f47a8 in g_main_context_iterate_unlocked
(context=context@entry=0x7ff14c000f00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
at ../glib/gmain.c:4314
#65 0x00007ff1636f4953 in g_main_context_iteration (context=0x7ff14c000f00, may_block=1) at ../glib/gmain.c:4379
#66 0x00007ff16660f9ad in QEventDispatcherGlib::processEvents (this=0xc0ce900, flags=...)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#67 0x00007ff166307b03 in QEventLoop::exec (this=this@entry=0x7fffd6094f40, flags=..., flags@entry=...)
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/global/qflags.h:77
#68 0x00007ff166303419 in QCoreApplication::exec ()
at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1449
#69 0x000000000040d26b in main (argc=1, argv=0x7fffd60966e8) at /home/akseli/Repositories/kde/src/dolphin/src/main.cpp:273
Comment 88 Bug Janitor Service 2025-06-24 12:48:33 UTC 
A possibly relevant merge request was started @ https://invent.kde.org/frameworks/kio/-/merge_requests/1921
Comment 89 Akseli Lahtinen 2025-06-26 12:45:29 UTC 
Git commit 883a16eb4ac808deceddf8ac3667ee888ff8ea60 by Akseli Lahtinen.
Committed on 26/06/2025 at 09:38.
Pushed by akselmo into branch 'master'.

KCoreDirLister: Clean up the trailing slash as expected on remote systems

Due to QTBUG-35921 we sometimes get a trailing slash even if we expect
it to be removed.
This patch adds a method that makes sure the trailing slash is
completely removed from the URL
and returns the cleaned URL, but only if the file is in remote directoy.

The code was built around the behavior of the trailing
slash always being removed, so it was comparing URLs:
Even if the URLs point to same location, `smb://aaa` and `smb://aaa/`,
the URLs are considered as different ones.

On remote systems we do not know if the file system allows `foo/bar` and
`foo/bar/` to be the exact same or not. On local systems we can rely on
Qt.

This fixes bug that would cause situations where the job is reusing
itself for the two "different" URLs (from the point of view of the code)
and asserting, as every different URL should have a new job.

M  +42   -28   src/core/kcoredirlister.cpp
M  +10   -0    src/core/kcoredirlister_p.h

https://invent.kde.org/frameworks/kio/-/commit/883a16eb4ac808deceddf8ac3667ee888ff8ea60
Comment 90 Filip 2025-07-02 12:54:45 UTC 
*** Bug 506435 has been marked as a duplicate of this bug. ***
Comment 91 Bug Janitor Service 2025-07-21 12:49:41 UTC 
A possibly relevant merge request was started @ https://invent.kde.org/frameworks/kio/-/merge_requests/1940
Comment 92 Akseli Lahtinen 2025-07-28 10:07:24 UTC 
Git commit 2cf5289d9e994f830749eb30791aabe1719406f9 by Akseli Lahtinen.
Committed on 28/07/2025 at 09:45.
Pushed by akselmo into branch 'master'.

KCoreDirLister: Do not list files again if the new url has same job

When getting a redirection URL, we check if the URL already has a job or
not. We also check that it's not the current job we're working on.

If it has same job as given to the slot as parameter, we are not
working on a new directory, but an old one. This can happen
when we are in `sftp://foo@bar/home/foo`, then type `sftp://foo@bar`
which in turn redirects us back to `sftp://foo@bar/home/foo`.

In these cases, we know we're not working on a new directory,
so we handle it through cache or refreshing it.

This fixes crashes with the oldJob assert and also
gives back to Qt the trailing slash handling, while
keeping expected behavior.

This also implements the mock test of commit 0808afd7
Related: bug 507278, bug 507185

M  +4    -0    CMakeLists.txt
M  +70   -8    autotests/kdirlistertest.cpp
M  +3    -2    autotests/kdirlistertest.h
M  +9    -15   src/core/kcoredirlister.cpp
M  +4    -0    src/core/worker.cpp
M  +4    -0    src/core/worker_p.h

https://invent.kde.org/frameworks/kio/-/commit/2cf5289d9e994f830749eb30791aabe1719406f9
Comment 93 TraceyC 2025-10-21 21:00:00 UTC 
*** Bug 510637 has been marked as a duplicate of this bug. ***
Comment 94 TraceyC 2025-10-21 21:08:01 UTC 
*** Bug 505396 has been marked as a duplicate of this bug. ***
Comment 95 TraceyC 2025-10-21 21:08:27 UTC 
*** Bug 503172 has been marked as a duplicate of this bug. ***
Comment 96 Sergey Katunin 2025-10-27 16:00:30 UTC 
Looks like after https://invent.kde.org/system/dolphin/-/commit/d0f8985b4c5c790781be6fcd06d299f087e78756 (https://invent.kde.org/system/dolphin/-/merge_requests/1036) this bug fixed in Dolphin.

In that commit, `m_url` now is updated before `DolphinView::redirection`.

I'm talking about a crash after entering credentials (login and password) when there is a connection to the root of the SMB server like `smb://server` or `\\server` without specifying a trailing slash.

There was a problem when there were two redirects at the same time, one for adding trailing slash, and second for appending username: 

1) `smb://server → smb://server/`

2) `smb://server/ → smb://user@server/`

This was reproduced with 100% chance before this commit, if you configure the SMB server so that it requires a password when connecting to the root and connect without trailing slash like `smb://server`.

It was crashed in KIO (`KCoreDirListerCache::slotUpdateResult`) because of mismatch of URLs with an URL from the `itemsInUse` list.

Debug log before this commit (I output some extra info to log):

kf.kio.core: KCoreDirListerPrivate::redirect -  QUrl("smb://server") QUrl("smb://server/")
kf.kio.core: slotUpdateResults:  QUrl("smb://user@server/")
kf.kio.core: itemsInUse:  QUrl("tags:/")
kf.kio.core: itemsInUse:  QUrl("smb://server/")
kf.kio.core: itemsInUse:  QUrl("trash:/")
kf.kio.core: Internal error: itemsInUse did not contain QUrl("smb://user@server/")
KCrash: Application 'dolphin' crashing... crashRecursionCounter = 2

Debug log after this commit:

kf.kio.core: KCoreDirListerPrivate::redirect:  QUrl("smb://server") QUrl("smb://server/")
kf.kio.core: KCoreDirListerPrivate::redirect:  QUrl("smb://server/") QUrl("smb://user@server/")
Comment 97 TraceyC 2025-10-27 18:31:22 UTC 
(In reply to Sergey Katunin from comment #96)
> Looks like after
> https://invent.kde.org/system/dolphin/-/commit/
> d0f8985b4c5c790781be6fcd06d299f087e78756
> (https://invent.kde.org/system/dolphin/-/merge_requests/1036) this bug fixed
> in Dolphin.

Thanks for confirming!