https://bugs.kde.org/show_bug.cgi?id=489411
Bug ID: 489411
Summary: Plasmashell crashes, possibly after closing a window
with children windows
Classification: Plasma
Product: plasmashell
Version: 6.1.1
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Window List
Assignee: plasma-b...@kde.org
Reporter: j...@kaidan.im
CC: uhh...@gmail.com
Target Milestone: 1.0
Created attachment 171155
--> https://bugs.kde.org/attachment.cgi?id=171155&action=edit
Backtrace
First of all, I didn't experience this bug myself, I just saw it on someone
elses computer and debugged it somewhat.
SUMMARY
Plasmashell crashes
The backtrace is the same as this sentry report:
https://crash-reports.kde.org/organizations/kde/issues/38215/?project=9&query=is%3Aunresolved&referrer=issue-stream&statsPeriod=90d&stream_index=9
The backtrace is attached below for reference.
My current theory is this:
A window that still has children windows is being closed.
The function in which this crashes is the lambda connected to
&PlasmaWindow::parentWindowChanged in waylandtasksmodel.cpp:635.
The lambda is only invoked, because QObject::destroyed is connected to
&PlasmaWindow::parentWindowChanged in waylandtasksmodel:320
Qt does a direct connection here, so then parentWindowChanged is invoked as
part of the destructor of PlasmaWindow, which is probably not what's wanted
here. Possibly a QueuedConnection would fix this.
My theory is that the window that is being deleted is accessed by the code
called in the result of the destructor.
I don't have a proper setup to test my theory right now.
STEPS TO REPRODUCE
Currently unknown
SOFTWARE/OS VERSIONS
KDE Plasma Version: 6.1.1
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