[muon] [Bug 431933] New: Muon crash when installing updates

Fri Jan 22 13:12:59 GMT 2021

https://bugs.kde.org/show_bug.cgi?id=431933

            Bug ID: 431933
           Summary: Muon crash when installing updates
           Product: muon
           Version: 5.8.0
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: muon
          Assignee: unassigned-bugs at kde.org
          Reporter: andysem at mail.ru
                CC: echidnaman at kubuntu.org, silhusk at gmail.com
  Target Milestone: ---

Application: muon (5.8.0)

Qt Version: 5.14.2
Frameworks Version: 5.74.0
Operating System: Linux 5.8.0-40-lowlatency x86_64
Windowing system: X11
Distribution: Ubuntu 20.10

-- Information about the crash:
- What I was doing when the application crashed:

Muon was running as I was browsing package information. In the background,
Discover checked for package updates, and some new package updates became
available (the update icon appeared in the tasks area). I tried updating
package information and updating packages in Muon (clicked Check for Updates,
Full Upgrade) and then it crashed.

-- Backtrace:
Application: Muon Package Manager (muon), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f0d86e3abf6 in QApt::Package::name (this=this at entry=0x0) at
./src/package.cpp:206
#5  0x00007f0d86e414ad in QApt::Package::installedFilesList (this=0x0) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qstring.h:95
#6  0x000055c2e895adf5 in InstalledFilesTab::populateFilesList
(this=0x55c2ea1589c0) at ./src/DetailsTabs/InstalledFilesTab.cpp:59
#7  0x000055c2e8950145 in DetailsWidget::qt_static_metacall (_o=<optimized
out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at
./obj-x86_64-linux-gnu/src/muon_autogen/EWIEGA46WW/moc_DetailsWidget.cpp:126
#8  0x00007f0d857d3320 in doActivate<false> (sender=0x55c2ea175060,
signal_index=3, argv=0x7fff41d78c10, argv at entry=0x0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#9  0x00007f0d857cd068 in QMetaObject::activate (sender=<optimized out>,
m=m at entry=0x7f0d86e75a40 <QApt::Backend::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x0) at
kernel/qobject.cpp:3930
#10 0x00007f0d86e2a554 in QApt::Backend::packageChanged (this=<optimized out>)
at ./obj-x86_64-linux-gnu/src/QApt_autogen/EWIEGA46WW/moc_backend.cpp:382
#11 0x00007f0d86e2ea7a in QApt::Backend::markPackagesForDistUpgrade
(this=<optimized out>) at ./src/backend.cpp:1038
#12 0x000055c2e8956bfa in MainWindow::markDistUpgrade (this=0x55c2e9decec0) at
./src/MainWindow.cpp:248
#13 0x000055c2e8950a15 in MainWindow::qt_static_metacall (_o=<optimized out>,
_id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at
./obj-x86_64-linux-gnu/src/muon_autogen/EWIEGA46WW/moc_MainWindow.cpp:176
#14 0x00007f0d857d3320 in doActivate<false> (sender=0x55c2ea0dc870,
signal_index=4, argv=argv at entry=0x7fff41d78de0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#15 0x00007f0d857cd068 in QMetaObject::activate
(sender=sender at entry=0x55c2ea0dc870, m=m at entry=0x7f0d86754f00
<QAction::staticMetaObject>, local_signal_index=local_signal_index at entry=1,
argv=argv at entry=0x7fff41d78de0) at kernel/qobject.cpp:3930
#16 0x00007f0d8624c826 in QAction::triggered (this=this at entry=0x55c2ea0dc870,
_t1=<optimized out>) at .moc/moc_qaction.cpp:381
#17 0x00007f0d8624f111 in QAction::activate (this=0x55c2ea0dc870,
event=<optimized out>) at kernel/qaction.cpp:1161
#18 0x00007f0d86344202 in QAbstractButtonPrivate::click
(this=this at entry=0x55c2ea0a67b0) at widgets/qabstractbutton.cpp:909
#19 0x00007f0d86344325 in QAbstractButton::mouseReleaseEvent
(this=0x55c2ea297240, e=0x7fff41d793b0) at widgets/qabstractbutton.cpp:1012
#20 0x00007f0d8643659e in QToolButton::mouseReleaseEvent (this=<optimized out>,
e=<optimized out>) at widgets/qtoolbutton.cpp:622
#21 0x00007f0d8629430e in QWidget::event (this=0x55c2ea297240,
event=0x7fff41d793b0) at kernel/qwidget.cpp:9033
#22 0x00007f0d86253013 in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x55c2ea297240, e=0x7fff41d793b0) at
kernel/qapplication.cpp:3685
#23 0x00007f0d86258841 in QApplication::notify(QObject*, QEvent*) () at
kernel/qapplication.cpp:3129
#24 0x00007f0d8579d1ca in QCoreApplication::notifyInternal2
(receiver=0x55c2ea297240, event=0x7fff41d793b0) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#25 0x00007f0d8625773a in QApplicationPrivate::sendMouseEvent
(receiver=receiver at entry=0x55c2ea297240, event=event at entry=0x7fff41d793b0,
alienWidget=alienWidget at entry=0x55c2ea297240, nativeWidget=0x55c2e9decec0,
buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true,
onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2615
#26 0x00007f0d862acf32 in QWidgetWindow::handleMouseEvent (this=0x55c2ea07aa80,
event=0x7fff41d79670) at /usr/include/c++/10/bits/atomic_base.h:420
#27 0x00007f0d862afd8e in QWidgetWindow::event (this=0x55c2ea07aa80,
event=0x7fff41d79670) at kernel/qwidgetwindow.cpp:295
#28 0x00007f0d86253013 in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x55c2ea07aa80, e=0x7fff41d79670) at
kernel/qapplication.cpp:3685
#29 0x00007f0d8579d1ca in QCoreApplication::notifyInternal2
(receiver=0x55c2ea07aa80, event=0x7fff41d79670) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#30 0x00007f0d85b6e48b in QGuiApplicationPrivate::processMouseEvent
(e=0x55c2eaf9ebf0) at kernel/qguiapplication.cpp:2203
#31 0x00007f0d85b442bb in QWindowSystemInterface::sendWindowSystemEvents
(flags=flags at entry=...) at kernel/qwindowsysteminterface.cpp:1170
#32 0x00007f0d812a335e in xcbSourceDispatch (source=<optimized out>) at
qxcbeventdispatcher.cpp:105
#33 0x00007f0d83d924db in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f0d83d92788 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f0d83d92853 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f0d857f4843 in QEventDispatcherGlib::processEvents
(this=0x55c2e9deb1a0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#37 0x00007f0d8579ba4b in QEventLoop::exec (this=this at entry=0x7fff41d799a0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#38 0x00007f0d857a3fc6 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#39 0x000055c2e894eedc in main (argc=<optimized out>, argv=<optimized out>) at
./src/main.cpp:62
[Inferior 1 (process 133396) detached]

Possible duplicates by query: bug 334524, bug 333218, bug 326923, bug 319006,
bug 316246.

Reported using DrKonqi

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