[dolphin] [Bug 422282] Tree View mode crashes in KFileItemModel::removeItems() and shows duplicate items

[Mihai Sorin Dobrescu]

https://bugs.kde.org/show_bug.cgi?id=422282

--- Comment #75 from Mihai Sorin Dobrescu <msdobrescu at gmail.com> ---
Created attachment 139539
  --> https://bugs.kde.org/attachment.cgi?id=139539&action=edit
New crash information added by DrKonqi

dolphin (20.12.3) using Qt 5.15.2

- What I was doing when the application crashed:
Expand a tree node, then collapse in Dolphin. Today happens on regular basis.

-- Backtrace (Reduced):
#9  0x00007fd671728067 in QHashData::free_helper(void (*)(QHashData::Node*)) ()
from /usr/lib64/libQt5Core.so.5
#10 0x00007fd67380bb05 in KFileItemModel::removeItems(KItemRangeList const&,
KFileItemModel::RemoveItemsBehavior) () from /usr/lib64/libdolphinprivate.so.5
#11 0x00007fd67381849c in KFileItemModel::setExpanded(int, bool) () from
/usr/lib64/libdolphinprivate.so.5
#12 0x00007fd67382c321 in KItemListController::keyPressEvent(QKeyEvent*) ()
from /usr/lib64/libdolphinprivate.so.5
#13 0x00007fd67382ec35 in KItemListController::processEvent(QEvent*, QTransform
const&) () from /usr/lib64/libdolphinprivate.so.5

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