Application: dolphin (20.12.3)

Qt Version: 5.15.2
Frameworks Version: 5.81.0
Operating System: Linux 5.4.0-70-generic x86_64
Windowing System: X11
Drkonqi Version: 5.21.4
Distribution: KDE neon User Edition 5.21

-- Information about the crash:
When browsing large directories in details view, often while expanding or collaping subdirectories, Dolphin intemittently crashes.

The crash can be reproduced sometimes.

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

[New LWP 1587825]
[New LWP 1587826]
[New LWP 1587827]
[New LWP 1587828]
[New LWP 1587829]
[New LWP 1587830]
[New LWP 1587835]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f8e5dc61aff in __GI___poll (fds=0x7fff55f20528, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7f8e56cd06c0 (LWP 1587824))]

Thread 8 (Thread 0x7f8e40856700 (LWP 1587835)):
#0  __GI___pthread_getspecific (key=4) at pthread_getspecific.c:55
#1  0x00007f8e5964b044 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8e596203e0 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8e59621225 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8e596214a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8e5b965ffb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8e5b90a1eb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8e5b724a52 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8e5b725bec in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8e5a09f609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f8e5dc6e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f8e3a85a700 (LWP 1587830)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b2774906f8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b2774906a8, cond=0x55b2774906d0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b2774906d0, mutex=0x55b2774906a8) at pthread_cond_wait.c:638
#3  0x00007f8e4da98b5b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f8e4da9875b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8e5a09f609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f8e5dc6e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f8e4305b700 (LWP 1587829)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b2774906f8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b2774906a8, cond=0x55b2774906d0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b2774906d0, mutex=0x55b2774906a8) at pthread_cond_wait.c:638
#3  0x00007f8e4da98b5b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f8e4da9875b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8e5a09f609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f8e5dc6e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f8e4cb76700 (LWP 1587828)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b2774906f8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b2774906a8, cond=0x55b2774906d0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b2774906d0, mutex=0x55b2774906a8) at pthread_cond_wait.c:638
#3  0x00007f8e4da98b5b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f8e4da9875b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8e5a09f609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f8e5dc6e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f8e4d377700 (LWP 1587827)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b2774906f8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b2774906a8, cond=0x55b2774906d0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b2774906d0, mutex=0x55b2774906a8) at pthread_cond_wait.c:638
#3  0x00007f8e4da98b5b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f8e4da9875b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8e5a09f609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f8e5dc6e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f8e55302700 (LWP 1587826)):
#0  __GI___libc_read (nbytes=16, buf=0x7f8e55301aa0, fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=7, buf=0x7f8e55301aa0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f8e59669b2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8e59620ebe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8e59621312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8e596214a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f8e5b965ffb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8e5b90a1eb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8e5b724a52 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8e5c9bbf4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007f8e5b725bec in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f8e5a09f609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f8e5dc6e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f8e5610b700 (LWP 1587825)):
#0  0x00007f8e5dc61aff in __GI___poll (fds=0x7f8e5610abe8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8e5a0d5c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f8e5a0d790a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f8e56643d58 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f8e5b725bec in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8e5a09f609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f8e5dc6e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f8e56cd06c0 (LWP 1587824)):
[KCrash Handler]
#4  0x00007f8e5dbe98a2 in __GI___libc_free (mem=<optimized out>) at malloc.c:3124
#5  0x00007f8e5b761007 in QHashData::free_helper(void (*)(QHashData::Node*)) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8e5da7f345 in KFileItemModel::removeItems(KItemRangeList const&, KFileItemModel::RemoveItemsBehavior) () from /lib/x86_64-linux-gnu/libdolphinprivate.so.5
#7  0x00007f8e5da8bd54 in KFileItemModel::setExpanded(int, bool) () from /lib/x86_64-linux-gnu/libdolphinprivate.so.5
#8  0x00007f8e5daa0d41 in KItemListController::onRelease(QPointF const&, QFlags<Qt::KeyboardModifier>, QFlags<Qt::MouseButton>, bool) () from /lib/x86_64-linux-gnu/libdolphinprivate.so.5
#9  0x00007f8e5daa0ee9 in KItemListController::mouseReleaseEvent(QGraphicsSceneMouseEvent*, QTransform const&) () from /lib/x86_64-linux-gnu/libdolphinprivate.so.5
#10 0x00007f8e5daa2b49 in KItemListController::processEvent(QEvent*, QTransform const&) () from /lib/x86_64-linux-gnu/libdolphinprivate.so.5
#11 0x00007f8e5dab2096 in KItemListView::event(QEvent*) () from /lib/x86_64-linux-gnu/libdolphinprivate.so.5
#12 0x00007f8e5c3e2dc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f8e5c3ebbb8 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f8e5b90b6da in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f8e5c717f73 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f8e5c7183b7 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f8e5c71d500 in QGraphicsScene::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f8e5c72a6e9 in QGraphicsScene::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f8e5c3e2dc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f8e5c3ebbb8 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f8e5b90b6da in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f8e5c747c5a in QGraphicsView::mouseReleaseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f8e5c425c06 in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f8e5c4d5f82 in QFrame::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f8e5c748aa1 in QGraphicsView::viewportEvent(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f8e5b90b443 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f8e5c3e2db2 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f8e5c3ebe77 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f8e5b90b6da in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f8e5c3eb0a7 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f8e5c440e54 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007f8e5c444174 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f8e5c3e2dc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f8e5c3ebbb8 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007f8e5b90b6da in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f8e5bced4e8 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#37 0x00007f8e5bceeb55 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#38 0x00007f8e5bcc67ac in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#39 0x00007f8e56644d7e in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#40 0x00007f8e5962117d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f8e59621400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f8e596214a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f8e5b965fe2 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007f8e5b90a1eb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007f8e5b912394 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#46 0x00007f8e5dd91fa2 in kdemain () from /lib/x86_64-linux-gnu/libkdeinit5_dolphin.so
#47 0x00007f8e5db730b3 in __libc_start_main (main=0x55b276607060, argc=1, argv=0x7fff55f229e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff55f229d8) at ../csu/libc-start.c:308
#48 0x000055b27660709e in _start ()
[Inferior 1 (process 1587824) detached]

The reporter indicates this bug may be a duplicate of or related to bug 422282.

Possible duplicates by query: bug 435565, bug 435159, bug 434456, bug 434435, bug 433684.

Reported using DrKonqi