Application: dolphin (20.08.2)

Qt Version: 5.15.1
Frameworks Version: 5.74.0
Operating System: Linux 5.9.0-4-amd64 x86_64
Windowing system: X11
Distribution: Debian GNU/Linux bullseye/sid

-- Information about the crash:
I was opening a directory in tree view mode and Dolphin closed abruptly.

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

[KCrash Handler]
#4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#5  0x00007f0ef95c1537 in __GI_abort () at abort.c:79
#6  0x00007f0ef961a708 in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f0ef9728e31 "%s\n") at ../sysdeps/posix/libc_fatal.c:155
#7  0x00007f0ef96219fa in malloc_printerr (str=str@entry=0x7f0ef972b1a8 "double free or corruption (fasttop)") at malloc.c:5347
#8  0x00007f0ef9622cf5 in _int_free (av=0x7f0ef975ab80 <main_arena>, p=0x556608fe2c20, have_lock=0) at malloc.c:4266
#9  0x00007f0ef94e7959 in KFileItemModel::removeItems(KItemRangeList const&, KFileItemModel::RemoveItemsBehavior) () from /lib/x86_64-linux-gnu/libdolphinprivate.so.5
#10 0x00007f0ef94f3146 in KFileItemModel::setExpanded(int, bool) () from /lib/x86_64-linux-gnu/libdolphinprivate.so.5
#11 0x00007f0ef9502da0 in KItemListController::mouseReleaseEvent(QGraphicsSceneMouseEvent*, QTransform const&) () from /lib/x86_64-linux-gnu/libdolphinprivate.so.5
#12 0x00007f0ef9505829 in KItemListController::processEvent(QEvent*, QTransform const&) () from /lib/x86_64-linux-gnu/libdolphinprivate.so.5
#13 0x00007f0ef951509d in KItemListView::event(QEvent*) () from /lib/x86_64-linux-gnu/libdolphinprivate.so.5
#14 0x00007f0ef823414f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f0ef76b61ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f0ef8548ea5 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f0ef8549241 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f0ef854e9cc in QGraphicsScene::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f0ef855b621 in QGraphicsScene::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f0ef823414f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f0ef76b61ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f0ef8577f90 in QGraphicsView::mouseReleaseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f0ef8273f8e in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f0ef831c21e in QFrame::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f0ef76b5f23 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f0ef823413e in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f0ef823b03b in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f0ef76b61ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f0ef823a066 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f0ef828bff1 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f0ef828f31e in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007f0ef823414f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f0ef76b61ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f0ef7b4c49b in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#35 0x00007f0ef7b2263b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#36 0x00007f0ef261025a in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#37 0x00007f0ef5405bdb in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f0ef5405e88 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f0ef5405f3f in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f0ef770d70f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f0ef76b4b7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007f0ef76bcdf0 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007f0ef97aa255 in kdemain () from /lib/x86_64-linux-gnu/libkdeinit5_dolphin.so
#44 0x00007f0ef95c2d0a in __libc_start_main (main=0x556607a2c050, argc=1, argv=0x7ffd50f39978, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd50f39968) at ../csu/libc-start.c:308
#45 0x0000556607a2c08a in _start ()
[Inferior 1 (process 5670) detached]

Possible duplicates by query: bug 429809, bug 429344, bug 429012, bug 428519, bug 428384.

Reported using DrKonqi