[dolphin] [Bug 460004] New: Dolphin crashes when unmounting external hard drive

Mathias Renner bugzilla_noreply at kde.org
Wed Oct 5 10:54:36 BST 2022 

https://bugs.kde.org/show_bug.cgi?id=460004

            Bug ID: 460004
           Summary: Dolphin crashes when unmounting external hard drive
    Classification: Applications
           Product: dolphin
           Version: 22.08.1
          Platform: Neon
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: mail at mathias-renner.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Application: dolphin (22.08.1)

Qt Version: 5.15.6
Frameworks Version: 5.98.0
Operating System: Linux 5.15.0-48-generic x86_64
Windowing System: X11
Distribution: KDE neon User - 5.25
DrKonqi: 5.25.5 [KCrashBackend]

-- Information about the crash:
I unmounted my external hard drive, which is LUKS encrypted, and dolphin
crashed immediately.
I did not try again, but this should not happen.

The reporter is unsure if this crash is reproducible.

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

[New LWP 1818799]
[New LWP 1819103]
[New LWP 1819205]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f04de6e199f in __GI___poll (fds=0x7fff6abf9278, nfds=1, timeout=1000) at
../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
[Current thread is 1 (Thread 0x7f04d9c6e640 (LWP 1818787))]

Thread 4 (Thread 0x7f04bf7fe700 (LWP 1819205)):
#0  __GI___libc_read (nbytes=16, buf=0x7f04bf7fd9d0, fd=28) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=28, buf=0x7f04bf7fd9d0, nbytes=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f04dc6feb2f in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f04dc6b5ebe in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f04dc6b6312 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f04dc6b64a3 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f04decb2b9b in QEventDispatcherGlib::processEvents
(this=0x7f04ac000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f04dec56b3b in QEventLoop::exec (this=this at entry=0x7f04bf7fdbe0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#8  0x00007f04dea70342 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#9  0x00007f04dea71543 in QThreadPrivate::start (arg=0x55aef273ee80) at
thread/qthread_unix.cpp:330
#10 0x00007f04dd10f609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f04de6ee133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f04d09c4700 (LWP 1819103)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55aef27d8628) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55aef27d85d8,
cond=0x55aef27d8600) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55aef27d8600, mutex=0x55aef27d85d8) at
pthread_cond_wait.c:647
#3  0x00007f04d0e1a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f04d0e1a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f04dd10f609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f04de6ee133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f04d8e1d700 (LWP 1818799)):
#0  0x00007f04de6e199f in __GI___poll (fds=0x7f04d4016260, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f04dc6b636e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f04dc6b64a3 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f04decb2b9b in QEventDispatcherGlib::processEvents
(this=0x7f04d4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f04dec56b3b in QEventLoop::exec (this=this at entry=0x7f04d8e1cbb0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f04dea70342 in QThread::exec (this=this at entry=0x7f04dfd9bd80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f04dfd17f4b in QDBusConnectionManager::run (this=0x7f04dfd9bd80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#7  0x00007f04dea71543 in QThreadPrivate::start (arg=0x7f04dfd9bd80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:330
#8  0x00007f04dd10f609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f04de6ee133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f04d9c6e640 (LWP 1818787)):
[KCrash Handler]
#4  0x000055aef05a1087 in TerminalPanel::sendCdToTerminal
(this=this at entry=0x55aef26efbb0, dir=...,
addToHistory=addToHistory at entry=TerminalPanel::HistoryPolicy::SkipHistory) at
./src/panels/terminal/terminalpanel.cpp:264
#5  0x000055aef05a13a9 in TerminalPanel::goHome (this=0x55aef26efbb0) at
./src/panels/terminal/terminalpanel.cpp:58
#6  0x000055aef0572aa1 in
DolphinMainWindow::slotStorageTearDownFromPlacesRequested (this=0x55aef24b9d30,
mountPath=...) at ./src/dolphinmainwindow.cpp:1426
#7  0x00007f04dec8f2f2 in QtPrivate::QSlotObjectBase::call (a=0x7fff6abfa180,
r=0x55aef24b9d30, this=0x55aef263f010) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#8  doActivate<false> (sender=0x55aef25c27c0, signal_index=24,
argv=0x7fff6abfa180) at kernel/qobject.cpp:3919
#9  0x00007f04dec88587 in QMetaObject::activate
(sender=sender at entry=0x55aef25c27c0, m=m at entry=0x55aef0628ec0
<PlacesPanel::staticMetaObject>, local_signal_index=local_signal_index at entry=1,
argv=argv at entry=0x7fff6abfa180) at kernel/qobject.cpp:3979
#10 0x000055aef05d1c89 in PlacesPanel::storageTearDownRequested
(this=this at entry=0x55aef25c27c0, _t1=...) at
./obj-x86_64-linux-gnu/src/dolphinstatic_autogen/DIM5AXWM7T/moc_placespanel.cpp:256
#11 0x000055aef059cacc in PlacesPanel::slotTearDownRequested
(this=0x55aef25c27c0, index=...) at ./src/panels/places/placespanel.cpp:222
#12 0x00007f04e0e8479b in ?? () from
/usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#13 0x00007f04dec8f2f2 in QtPrivate::QSlotObjectBase::call (a=0x7fff6abfa3c0,
r=0x55aef25c27c0, this=0x55aef28a5090) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#14 doActivate<false> (sender=0x55aef27b32e0, signal_index=8,
argv=0x7fff6abfa3c0) at kernel/qobject.cpp:3919
#15 0x00007f04e0e91151 in ?? () from
/usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#16 0x00007f04dec57da3 in
QCoreApplicationPrivate::sendThroughObjectEventFilters (event=<optimized out>,
receiver=<optimized out>) at kernel/qcoreapplication.cpp:1190
#17 QCoreApplicationPrivate::sendThroughObjectEventFilters
(receiver=receiver at entry=0x55aef28ac1f0, event=event at entry=0x7fff6abfa890) at
kernel/qcoreapplication.cpp:1179
#18 0x00007f04df73de32 in QApplicationPrivate::notify_helper
(this=this at entry=0x55aef2281af0, receiver=receiver at entry=0x55aef28ac1f0,
e=e at entry=0x7fff6abfa890) at kernel/qapplication.cpp:3631
#19 0x00007f04df746e47 in QApplication::notify (this=<optimized out>,
receiver=0x55aef28ac1f0, e=0x7fff6abfa890) at kernel/qapplication.cpp:3081
#20 0x00007f04dec5803a in QCoreApplication::notifyInternal2
(receiver=0x55aef28ac1f0, event=0x7fff6abfa890) at
../../include/QtCore/5.15.6/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:332
#21 0x00007f04df746147 in QApplicationPrivate::sendMouseEvent
(receiver=receiver at entry=0x55aef28ac1f0, event=event at entry=0x7fff6abfa890,
alienWidget=alienWidget at entry=0x55aef28ac1f0, nativeWidget=0x55aef24b9d30,
buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true,
onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2619
#22 0x00007f04df79bfa4 in QWidgetWindow::handleMouseEvent (this=0x55aef26bf3b0,
event=0x7fff6abfad10) at /usr/include/c++/9/bits/atomic_base.h:413
#23 0x00007f04df79f2c4 in QWidgetWindow::event (event=0x7fff6abfad10,
this=0x55aef26bf3b0) at kernel/qwidgetwindow.cpp:300
#24 QWidgetWindow::event (this=0x55aef26bf3b0, event=0x7fff6abfad10) at
kernel/qwidgetwindow.cpp:239
#25 0x00007f04df73de43 in QApplicationPrivate::notify_helper
(this=this at entry=0x55aef2281af0, receiver=receiver at entry=0x55aef26bf3b0,
e=e at entry=0x7fff6abfad10) at kernel/qapplication.cpp:3637
#26 0x00007f04df746c58 in QApplication::notify (this=0x7fff6abfb1a0,
receiver=0x55aef26bf3b0, e=0x7fff6abfad10) at kernel/qapplication.cpp:3161
#27 0x00007f04dec5803a in QCoreApplication::notifyInternal2
(receiver=0x55aef26bf3b0, event=0x7fff6abfad10) at
../../include/QtCore/5.15.6/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:332
#28 0x00007f04df03e7c0 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#29 0x00007f04df03fe65 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#30 0x00007f04df0166bc in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#31 0x00007f04d9556e3e in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#32 0x00007f04dc6b617d in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f04dc6b6400 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f04dc6b64a3 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f04decb2b82 in QEventDispatcherGlib::processEvents
(this=0x55aef2418cb0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#36 0x00007f04dec56b3b in QEventLoop::exec (this=this at entry=0x7fff6abfb0b0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#37 0x00007f04dec5ece4 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#38 0x000055aef056f6e3 in main (argc=<optimized out>, argv=<optimized out>) at
./src/main.cpp:246
[Inferior 1 (process 1818787) detached]

Reported using DrKonqi

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