kajongg.py crashed with SIGSEGV in QMetaObject::inherits()

[Paul White]

As far as I can remember I was just looking at the game after going into Settings and the application crashed.

I haven't so far been able to reproduce the crash.

I am reporting it as I was prompted to do so.

ProblemType: Crash
DistroRelease: Ubuntu 20.10
Package: kajongg 4:20.04.0-0ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu33
Architecture: amd64
CasperMD5CheckResult: skip
CrashCounter: 1
CurrentDesktop: KDE
Date: Sat May 9 04:22:49 2020
ExecutablePath: /usr/share/kajongg/kajongg.py
InstallationDate: Installed on 2020-05-05 (4 days ago)
InstallationMedia: Kubuntu 20.10 "Groovy Gorilla" - Alpha amd64 (20200505)
InterpreterPath: /usr/bin/python3.8
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/games/kajongg
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
SegvAnalysis:
 Segfault happened at: 0x7f434e9e873d <_ZNK11QMetaObject8inheritsEPKS_+13>: mov (%rdi),%rdi
 PC (0x7f434e9e873d) ok
 source "(%rdi)" (0x5441554156415741) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: kajongg
StacktraceTop:
 QMetaObject::inherits(QMetaObject const*) const () from /lib/x86_64-linux-gnu/libQt5Core.so.5
 QMetaObject::cast(QObject const*) const () from /lib/x86_64-linux-gnu/libQt5Core.so.5
 qt_qFindChildren_helper(QObject const*, QString const&, QMetaObject const&, QList<void*>*, QFlags<Qt::FindChildOption>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
 ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
 ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
Title: kajongg.py crashed with SIGSEGV in QMetaObject::inherits()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
separator:

[Apport retracing service (apport)]

StacktraceTop:
 QMetaObject::inherits (this=<optimized out>, metaObject=metaObject@entry=0x7f434bd5bd60 <QDockWidgetGroupWindow::staticMetaObject>) at kernel/qmetaobject.cpp:357
 QMetaObject::cast (this=this@entry=0x7f434bd5bd60 <QDockWidgetGroupWindow::staticMetaObject>, obj=obj@entry=0x1a1f280) at kernel/qmetaobject.cpp:381
 QMetaObject::cast (this=this@entry=0x7f434bd5bd60 <QDockWidgetGroupWindow::staticMetaObject>, obj=obj@entry=0x1a1f280) at kernel/qmetaobject.cpp:370
 qt_qFindChildren_helper (parent=<optimized out>, name=..., mo=..., list=list@entry=0x7ffddc501908, options=..., options@entry=...) at kernel/qobject.cpp:1914
 QObject::findChildren<QDockWidgetGroupWindow*> (options=..., aName=..., this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:151

[Paul White (paulw2u)]

Ubuntu 20.10 reached end-of-life on July 22, 2021.
Issue not confirmed by another user.
Couldn't reproduce then and no longer use Kubuntu.
Closing my own bug report as "Invalid"