Bug 509336

Summary:	Discover crashes after closing window
Product:	[Applications] Discover	Reporter:	Mark <mark>
Component:	discover	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	aleixpol, kdedev
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	6.4.4
Target Milestone:	---
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:	https://crash-reports.kde.org/organizations/kde/issues/250409/events/13fea472867a4106bca10472cb6abea2/
Attachments:	New crash information added by DrKonqi

Description Mark 2025-09-10 05:56:45 UTC

Application: plasma-discover (6.4.4)

ApplicationNotResponding [ANR]: false
Qt Version: 6.9.1
Frameworks Version: 6.17.0
Operating System: Linux 6.16.5-200.fc42.x86_64 x86_64
Windowing System: Wayland
Distribution: "Fedora Linux 42 (KDE Plasma Desktop Edition)"
DrKonqi: 6.4.4 [CoredumpBackend]

-- Information about the crash:
I was uninstalling some programs through Discover, finished my work, and close it when suddently I get a crash notification.

The crash can be reproduced sometimes.

-- Backtrace (Reduced):
#4  0x00007fc62cf34ca8 in AggregatedResultsStream::resourceDestruction (this=0x55a2cbcd6310, obj=0x55a2c9d9fa80) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/resources/ResourcesModel.cpp:286
#5  0x00007fc62a1657ba in QtPrivate::QSlotObjectBase::call (this=0x55a2cbe677c0, r=0x55a2cbcd6310, a=0x7ffc6f7ae7a0) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#6  doActivate<false> (sender=0x55a2c9d9fa80, signal_index=0, argv=argv@entry=0x7ffc6f7ae7a0) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
[...]
#9  QObject::destroyed (this=this@entry=0x55a2c9d9fa80, _t1=<optimized out>, _t1@entry=0x55a2c9d9fa80) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/redhat-linux-build/src/corelib/kernel/moc_qobject.cpp:186
#10 0x00007fc62a161c7e in QObject::~QObject (this=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:1042
#11 0x00007fc5fabe6881 in FwupdResource::~FwupdResource (this=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/FwupdBackend/FwupdResource.h:15
#12 FwupdResource::~FwupdResource (this=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/FwupdBackend/FwupdResource.h:15
#13 0x00007fc62a15cda2 in QObjectPrivate::deleteChildren (this=this@entry=0x55a2c90f0210) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:2223
#14 0x00007fc62a161cb4 in QObject::~QObject (this=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:1140
#15 0x00007fc5fabe8335 in FwupdBackend::~FwupdBackend (this=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/FwupdBackend/FwupdBackend.cpp:63
#16 0x00007fc62cf30cee in qDeleteAll<QList<AbstractResourcesBackend*>::const_iterator> (begin=..., end=...) at /usr/include/qt6/QtCore/qalgorithms.h:28
#17 qDeleteAll<QList<AbstractResourcesBackend*> > (c=...) at /usr/include/qt6/QtCore/qalgorithms.h:36
#18 ResourcesModel::~ResourcesModel (this=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/resources/ResourcesModel.cpp:112
#19 0x00007fc62cf30dd5 in ResourcesModel::~ResourcesModel (this=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/resources/ResourcesModel.cpp:113
#20 0x00007fc62a15652c in QObject::event (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:1416
#21 0x00007fc62c63d97f in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55a2c90687a0, e=0x7fc5000fef90) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3303
#4  0x00007fc62cf34ca8 in AggregatedResultsStream::resourceDestruction (this=0x55a2cbcd6310, obj=0x55a2c9d9fa80) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/resources/ResourcesModel.cpp:286
#5  0x00007fc62a1657ba in QtPrivate::QSlotObjectBase::call (this=0x55a2cbe677c0, r=0x55a2cbcd6310, a=0x7ffc6f7ae7a0) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#6  doActivate<false> (sender=0x55a2c9d9fa80, signal_index=0, argv=argv@entry=0x7ffc6f7ae7a0) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
[...]
#9  QObject::destroyed (this=this@entry=0x55a2c9d9fa80, _t1=<optimized out>, _t1@entry=0x55a2c9d9fa80) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/redhat-linux-build/src/corelib/kernel/moc_qobject.cpp:186
#10 0x00007fc62a161c7e in QObject::~QObject (this=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:1042
#11 0x00007fc5fabe6881 in FwupdResource::~FwupdResource (this=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/FwupdBackend/FwupdResource.h:15
#12 FwupdResource::~FwupdResource (this=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/FwupdBackend/FwupdResource.h:15
#13 0x00007fc62a15cda2 in QObjectPrivate::deleteChildren (this=this@entry=0x55a2c90f0210) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:2223
#14 0x00007fc62a161cb4 in QObject::~QObject (this=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:1140
#15 0x00007fc5fabe8335 in FwupdBackend::~FwupdBackend (this=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/FwupdBackend/FwupdBackend.cpp:63
#16 0x00007fc62cf30cee in qDeleteAll<QList<AbstractResourcesBackend*>::const_iterator> (begin=..., end=...) at /usr/include/qt6/QtCore/qalgorithms.h:28
#17 qDeleteAll<QList<AbstractResourcesBackend*> > (c=...) at /usr/include/qt6/QtCore/qalgorithms.h:36
#18 ResourcesModel::~ResourcesModel (this=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/resources/ResourcesModel.cpp:112
#19 0x00007fc62cf30dd5 in ResourcesModel::~ResourcesModel (this=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/resources/ResourcesModel.cpp:113
#20 0x00007fc62a15652c in QObject::event (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:1416
#21 0x00007fc62c63d97f in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55a2c90687a0, e=0x7fc5000fef90) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3303


Reported using DrKonqi

Comment 1 Mark 2025-09-10 05:56:48 UTC

Created attachment 184857 [details]
New crash information added by DrKonqi

DrKonqi auto-attaching complete backtrace.

Comment 2 TraceyC 2025-09-16 00:37:25 UTC

Thank you for the bug report. Based on the backtrace this looks like a duplicate of bug 505553. Please follow that report if you would like updates on the progress of this issue.

*** This bug has been marked as a duplicate of bug 505553 ***