https://bugs.kde.org/show_bug.cgi?id=487843
Bug ID: 487843
Summary: Always saving text in clipboard history causes crash
Classification: Plasma
Product: plasmashell
Version: git-stable-Plasma/6.1
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: Clipboard
Assignee: plasma-b...@kde.org
Reporter: trunksm....@gmail.com
Target Milestone: 1.0
Created attachment 170019
--> https://bugs.kde.org/attachment.cgi?id=170019&action=edit
Crash dump without debug symbols regarding plasmashell clipboard
SUMMARY
Using KDE Plasma 6.1 Beta on Wayland, plasmashell would 'occasionally' crash on
me. Took me a while to investigate to find out it's the clipboard component
that's crashing and is remedied by undoing tweaks. X11 not affected.
STEPS TO REPRODUCE
1. Use KDE Plasma Wayland.
2. Open Clipboard Configuration.
3. Enable [Keep the selection and clipboard the same] from "Selection and
Clipboard"; & select [Always save in history] for "Text selection".
4. Run `plasmawindowed org.kde.plasma.clipboard` as this weirdly guarantees the
crash for me if plasmashell doesn't.
5. Rapidly select text from any source. Repeat until crash either immediately
or a few seconds after.
OBSERVED RESULT
Plasmashell with Wayland freezes and creates a crash dump which clues to
clipboard involvement.
Plasmawindowed also prints out a line of code that reportedly failed.
EXPECTED RESULT
No crashes and oddities.
SOFTWARE/OS VERSIONS
Operating System: EndeavourOS / Arch Linux
KDE Gear Version: 24.05.0-1
KDE Plasma Version: 6.0.90-1
KDE Frameworks Version: 6.2.0
Qt Version: 6.7.1
Kernel Version: 6.9.2-arch1-1
Graphics Platform: Wayland
ADDITIONAL INFORMATION
Currently using both 'kde-unstable' and 'extra-testing' Arch repo for Plasma
6.1 Beta.
Reproducing the crash on X11 does not work which may mean only Wayland is
affected.
Attached DrKonqi report, but without debug symbols as it stresses my low-end
system and fails.
Unsure if this is related to bug 469663, but this does not involve URLs and
pop-up menus.
Lastly, the printed line upon interacting with the clipboard launched with
`plasmawindowed`:
```
kf.plasma.quick: Applet preload policy set to 1
qml: 0
DataControlOffer: timeout reading from pipe
DataControlOffer: timeout reading from pipe
/usr/include/c++/14.1.1/bits/shared_ptr_base.h:1350:
std::__shared_ptr_access<_Tp, _Lp, <anonymous>, <anonymous> >::element_type&
std::__shared_ptr_access<_Tp, _Lp, <anonymous>, <anonymous> >::operator*()
const [with _Tp = HistoryItem; __gnu_cxx::_Lock_policy _Lp =
__gnu_cxx::_S_atomic; bool <anonymous> = false; bool <anonymous> = false;
element_type = HistoryItem]: Assertion '_M_get() != nullptr' failed.
Aborted (core dumped)
```
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