Bug 2273480

Summary: [abrt] krdc: QWidget::windowHandle(): krdc killed by SIGSEGV
Product: [Fedora] Fedora Reporter: Alex Thomas <karlthane>
Component: krdcAssignee: Than Ngo <than>
Status: CLOSED EOL QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 40CC: 8ru2u4gz, karlthane, kde-sig, rdieter, than
Target Milestone: ---Flags: 8ru2u4gz: needinfo? (karlthane)
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
URL: https://retrace.fedoraproject.org/faf/reports/bthash/eb167bb154b80bf3087e74fb3031926c44816a6
Whiteboard: abrt_hash:ee8138fa6a18c2a71364f03398e5c253ec7b03f3;VARIANT_ID=kde;
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2025-05-16 08:03:20 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
File: proc_pid_status
none
File: maps
none
File: limits
none
File: environ
none
File: open_fds
none
File: mountinfo
none
File: os_info
none
File: cpuinfo
none
File: core_backtrace
none
File: exploitable
none
File: dso_list
none
File: var_log_messages
none
File: backtrace none

Description Alex Thomas 2024-04-04 17:31:37 UTC
Description of problem:
I was attempting to connect to contabo vnc server to reinstall os on vps, pointed it at server, got blue screen in window ( not microsoft, just a blue screen) and then krdc crashed.

Version-Release number of selected component:
krdc-24.02.1-1.fc40

Additional info:
reporter:       libreport-2.17.15
type:           CCpp
reason:         krdc killed by SIGSEGV
journald_cursor: s=89cfcbc9fb0942a2aa3a978e562b3a1a;i=26cdf;b=0cf239e4af7a4a70a377b19aa60a534c;m=154e474805;t=615488fe57bda;x=af936dda27b77a1
executable:     /usr/bin/krdc
cmdline:        /usr/bin/krdc -qwindowtitle KRDC
cgroup:         0::/user.slice/user-1000.slice/user/app.slice/app-org.kde.krdc-13c87b64e566434692fda2979089bee6.scope
rootdir:        /
uid:            1000
kernel:         6.8.2-300.fc40.x86_64
package:        krdc-24.02.1-1.fc40
runlevel:       N 5
backtrace_rating: 4
crash_function: QWidget::windowHandle
comment:        I was attempting to connect to contabo vnc server to reinstall os on vps, pointed it at server, got blue screen in window ( not microsoft, just a blue screen) and then krdc crashed.

Truncated backtrace:
Thread no. 1 (45 frames)
 #0 QWidget::windowHandle at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/kernel/qwidget.cpp:2470
 #1 MainWindow::updateConfiguration at /usr/src/debug/krdc-24.02.1-1.fc40.x86_64/mainwindow.cpp:958
 #2 MainWindow::qt_static_metacall at /usr/src/debug/krdc-24.02.1-1.fc40.x86_64/redhat-linux-build/krdc_autogen/EWIEGA46WW/moc_mainwindow.cpp:509
 #3 doActivate<false> at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qobject.cpp:4051
 #4 QMetaObject::activate at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qobject.cpp:4099
 #5 KConfigDialog::settingsChanged at /usr/src/debug/kf6-kconfigwidgets-6.0.0-1.fc40.x86_64/redhat-linux-build/src/KF6ConfigWidgets_autogen/include/moc_kconfigdialog.cpp:299
 #6 KConfigDialogPrivate::settingsChangedSlot at /usr/src/debug/kf6-kconfigwidgets-6.0.0-1.fc40.x86_64/src/kconfigdialog.cpp:295
 #7 operator() at /usr/src/debug/kf6-kconfigwidgets-6.0.0-1.fc40.x86_64/src/kconfigdialog.cpp:203
 #8 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, KConfigDialogPrivate::setupManagerConnections(KConfigDialogManager*)::<lambda()> >::call at /usr/include/qt6/QtCore/qobjectdefs_impl.h:137
 #9 QtPrivate::Functor<KConfigDialogPrivate::setupManagerConnections(KConfigDialogManager*)::<lambda()>, 0>::call<QtPrivate::List<>, void> at /usr/include/qt6/QtCore/qobjectdefs_impl.h:339
 #10 QtPrivate::QCallableObject<KConfigDialogPrivate::setupManagerConnections(KConfigDialogManager*)::<lambda()>, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:522
 #11 QtPrivate::QSlotObjectBase::call at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qobjectdefs_impl.h:433
 #12 doActivate<false> at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qobject.cpp:4039
 #13 QMetaObject::activate at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qobject.cpp:4099
 #14 KConfigDialogManager::settingsChanged at /usr/src/debug/kf6-kconfigwidgets-6.0.0-1.fc40.x86_64/redhat-linux-build/src/KF6ConfigWidgets_autogen/include/moc_kconfigdialogmanager.cpp:229
 #15 KConfigDialogManager::updateSettings at /usr/src/debug/kf6-kconfigwidgets-6.0.0-1.fc40.x86_64/src/kconfigdialogmanager.cpp:380
 #16 QtPrivate::QSlotObjectBase::call at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qobjectdefs_impl.h:433
 #17 doActivate<false> at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qobject.cpp:4039
 #18 QMetaObject::activate at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qobject.cpp:4099
 #19 QAbstractButton::clicked at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/redhat-linux-build/src/widgets/Widgets_autogen/include/moc_qabstractbutton.cpp:408
 #20 QAbstractButtonPrivate::emitClicked at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/widgets/qabstractbutton.cpp:379
 #21 QAbstractButtonPrivate::click at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/widgets/qabstractbutton.cpp:372
 #22 QAbstractButton::mouseReleaseEvent at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/widgets/qabstractbutton.cpp:974
 #23 QWidget::event at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/kernel/qwidget.cpp:9339
 #24 QApplicationPrivate::notify_helper at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/kernel/qapplication.cpp:3296
 #25 QApplication::notify at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/kernel/qapplication.cpp:2782
 #26 QCoreApplication::notifyInternal2 at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qcoreapplication.cpp:1121
 #27 QCoreApplication::sendSpontaneousEvent at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qcoreapplication.cpp:1553
 #28 QApplicationPrivate::sendMouseEvent at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/kernel/qapplication.cpp:2366
 #29 QWidgetWindow::handleMouseEvent at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/kernel/qwidgetwindow.cpp:653
 #30 QWidgetWindow::event at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/kernel/qwidgetwindow.cpp:267
 #31 QApplicationPrivate::notify_helper at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/kernel/qapplication.cpp:3296
 #32 QCoreApplication::notifyInternal2 at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qcoreapplication.cpp:1121
 #33 QCoreApplication::sendSpontaneousEvent at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qcoreapplication.cpp:1553
 #34 QGuiApplicationPrivate::processMouseEvent at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/gui/kernel/qguiapplication.cpp:2325
 #35 QWindowSystemInterface::sendWindowSystemEvents at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/gui/kernel/qwindowsysteminterface.cpp:1109
 #36 userEventSourceDispatch at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/gui/platform/unix/qeventdispatcher_glib.cpp:38
 #38 g_main_context_dispatch_unlocked at ../glib/gmain.c:4152
 #39 g_main_context_iterate_unlocked.isra.0 at ../glib/gmain.c:4217
 #40 g_main_context_iteration at ../glib/gmain.c:4282
 #41 QEventDispatcherGlib::processEvents at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qeventdispatcher_glib.cpp:393
 #42 QEventLoop::exec at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/global/qflags.h:34
 #43 QCoreApplication::exec at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/global/qflags.h:74
 #44 QGuiApplication::exec at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/gui/kernel/qguiapplication.cpp:1925
 #45 QApplication::exec at /usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/kernel/qapplication.cpp:2574

Comment 1 Alex Thomas 2024-04-04 17:31:39 UTC
Created attachment 2025266 [details]
File: proc_pid_status

Comment 2 Alex Thomas 2024-04-04 17:31:40 UTC
Created attachment 2025267 [details]
File: maps

Comment 3 Alex Thomas 2024-04-04 17:31:42 UTC
Created attachment 2025268 [details]
File: limits

Comment 4 Alex Thomas 2024-04-04 17:31:43 UTC
Created attachment 2025269 [details]
File: environ

Comment 5 Alex Thomas 2024-04-04 17:31:44 UTC
Created attachment 2025270 [details]
File: open_fds

Comment 6 Alex Thomas 2024-04-04 17:31:45 UTC
Created attachment 2025271 [details]
File: mountinfo

Comment 7 Alex Thomas 2024-04-04 17:31:46 UTC
Created attachment 2025272 [details]
File: os_info

Comment 8 Alex Thomas 2024-04-04 17:31:49 UTC
Created attachment 2025273 [details]
File: cpuinfo

Comment 9 Alex Thomas 2024-04-04 17:31:51 UTC
Created attachment 2025274 [details]
File: core_backtrace

Comment 10 Alex Thomas 2024-04-04 17:31:52 UTC
Created attachment 2025275 [details]
File: exploitable

Comment 11 Alex Thomas 2024-04-04 17:31:54 UTC
Created attachment 2025276 [details]
File: dso_list

Comment 12 Alex Thomas 2024-04-04 17:31:55 UTC
Created attachment 2025277 [details]
File: var_log_messages

Comment 13 Alex Thomas 2024-04-04 17:31:56 UTC
Created attachment 2025278 [details]
File: backtrace

Comment 14 Aoife Moloney 2025-04-25 10:24:49 UTC
This message is a reminder that Fedora Linux 40 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora Linux 40 on 2025-05-13.
It is Fedora's policy to close all bug reports from releases that are no longer
maintained. At that time this bug will be closed as EOL if it remains open with a
'version' of '40'.

Package Maintainer: If you wish for this bug to remain open because you
plan to fix it in a currently maintained version, change the 'version' 
to a later Fedora Linux version. Note that the version field may be hidden.
Click the "Show advanced fields" button if you do not see it.

Thank you for reporting this issue and we are sorry that we were not 
able to fix it before Fedora Linux 40 is end of life. If you would still like 
to see this bug fixed and are able to reproduce it against a later version 
of Fedora Linux, you are encouraged to change the 'version' to a later version
prior to this bug being closed.

Comment 15 Aoife Moloney 2025-05-16 08:03:20 UTC
Fedora Linux 40 entered end-of-life (EOL) status on 2025-05-13.

Fedora Linux 40 is no longer maintained, which means that it
will not receive any further security or bug fix updates. As a result we
are closing this bug.

If you can reproduce this bug against a currently maintained version of Fedora Linux
please feel free to reopen this bug against that version. Note that the version
field may be hidden. Click the "Show advanced fields" button if you do not see
the version field.

If you are unable to reopen this bug, please file a new report against an
active release.

Thank you for reporting this bug and we are sorry it could not be fixed.

Comment 16 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-12-02 14:36:54 UTC
(In reply to Aoife Moloney from comment #15)#

This may relate to https://bugzilla.redhat.com/show_bug.cgi?id=2326990#c13. Reporter, did you manage to file a bug at KDE BZ?