| Summary: |
Discover crashes on teardown in PackageKitResource::~PackageKitResource() if closed while still loading an app |
| Product: |
[Applications] Discover
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Reporter: |
Nate Graham <nate> |
| Component: |
PackageKit | Assignee: |
Plasma Bugs List <plasma-bugs-null> |
| Status: |
CONFIRMED
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| Severity: |
crash
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CC: |
4wy78uwh, aleixpol, kde
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| Priority: |
NOR
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| Version First Reported In: |
6.4.80 | |
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| Target Milestone: |
--- | |
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| Platform: |
Other | |
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| OS: |
Linux | |
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| See Also: |
https://bugs.kde.org/show_bug.cgi?id=505553
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Latest Commit:
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Version Fixed In:
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Sentry Crash Report:
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https://crash-reports.kde.org/organizations/kde/issues/198420/events/53b7d0427844498099225391d8f9af9e/
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Current git master, Qt 6.9, Fedora 42. STEPS TO REPRODUCE 1. `plasma-discover appstream://org.kde.dolphin.desktop` 2. Before it finishes loading, close the window with Ctrl+Q, Alt+F4, or by clicking the close button OBSERVED RESULT Crash 100% of the time: #0 __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=11, no_tid=no_tid@entry=0) at pthread_kill.c:44 #1 0x00007f00388811e3 in __pthread_kill_internal (threadid=<optimized out>, signo=11) at pthread_kill.c:89 #2 0x00007f0038827afe in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26 #3 0x00007f003c08e88a in KCrash::defaultCrashHandler (sig=11) at /home/nate/kde/src/kcrash/src/kcrash.cpp:605 #4 0x00007f0038827c30 in <signal handler called> () at /lib64/libc.so.6 #5 AggregatedResultsStream::resourceDestruction (this=0x111ba600, obj=0x10bc1150) at /home/nate/kde/src/discover/libdiscover/resources/ResourcesModel.cpp:286 #6 0x00007f0038f6033a in QtPrivate::QSlotObjectBase::call (this=0xf4466d0, r=0x111ba600, a=0x7ffd7bb503c0) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461 #7 doActivate<false> (sender=0x10bc1150, signal_index=0, argv=argv@entry=0x7ffd7bb503c0) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/kernel/qobject.cpp:4138 #8 0x00007f0038f56d09 in QMetaObject::activate (sender=sender@entry=0x0, m=m@entry=0x7f003948cc40, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd7bb503c0) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/kernel/qobject.cpp:4198 #9 0x00007f0038f56dc7 in QMetaObject::activate<void, QObject*> (sender=0x0, mo=0x7f003948cc40, local_signal_index=0, ret=0x0) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/kernel/qobjectdefs.h:306 #10 QObject::destroyed (this=this@entry=0x10bc1150, _t1=<optimized out>, _t1@entry=0x10bc1150) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/redhat-linux-build/src/corelib/kernel/moc_qobject.cpp:186 #11 0x00007f0038f5c79e in QObject::~QObject (this=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/kernel/qobject.cpp:1042 #12 0x00007effb878df10 in PackageKitResource::~PackageKitResource (this=0x10bc1150) at /home/nate/kde/src/discover/libdiscover/backends/PackageKitBackend/PackageKitResource.h:20 #13 AppPackageKitResource::~AppPackageKitResource (this=0x10bc1150) at /home/nate/kde/src/discover/libdiscover/backends/PackageKitBackend/AppPackageKitResource.h:13 #14 AppPackageKitResource::~AppPackageKitResource (this=0x10bc1150) at /home/nate/kde/src/discover/libdiscover/backends/PackageKitBackend/AppPackageKitResource.h:13 #15 0x00007f0038f57a02 in QObjectPrivate::deleteChildren (this=this@entry=0xe7885f0) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/kernel/qobject.cpp:2223 #16 0x00007f0038f5c7d4 in QObject::~QObject (this=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/kernel/qobject.cpp:1140 #17 0x00007effb8768a1e in PackageKitBackend::~PackageKitBackend (this=0xe783f40) at /home/nate/kde/src/discover/libdiscover/backends/PackageKitBackend/PackageKitBackend.cpp:246 #18 0x00007f003c40603e in qDeleteAll<QList<AbstractResourcesBackend*>::const_iterator> (begin=..., end=...) at /usr/include/qt6/QtCore/qalgorithms.h:27 #19 qDeleteAll<QList<AbstractResourcesBackend*> > (c=...) at /usr/include/qt6/QtCore/qalgorithms.h:35 #20 ResourcesModel::~ResourcesModel (this=0xe6c14a0) at /home/nate/kde/src/discover/libdiscover/resources/ResourcesModel.cpp:112 #21 0x00007f003c40612e in ResourcesModel::~ResourcesModel (this=0xe6c14a0) at /home/nate/kde/src/discover/libdiscover/resources/ResourcesModel.cpp:113 #22 0x00007f0038f50eec in QObject::event (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/kernel/qobject.cpp:1416 #23 0x00007f003b83d7af in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0xe6c14a0, e=0xeeaaed0) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3301 #24 0x00007f0038ef5fa8 in QCoreApplication::notifyInternal2 (receiver=0xe6c14a0, event=0xeeaaed0) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1106 #25 0x00007f0038ef620d in QCoreApplication::sendEvent (receiver=<optimized out>, event=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1546 #26 0x00007f0038ef9cd6 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0xdef5ec0) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1879 #27 0x00007f0038efa032 in QCoreApplicationPrivate::execCleanup (this=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1468 #28 0x00007f0038eff246 in QCoreApplication::exec () at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/corelib/tools/qscopedpointer.h:110 #29 0x00007f0039adac3d in QGuiApplication::exec () at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/gui/kernel/qguiapplication.cpp:1993 #30 0x00007f003b83d719 in QApplication::exec () at /usr/src/debug/qt6-qtbase-6.9.0-2.fc42.x86_64/src/widgets/kernel/qapplication.cpp:2568 #31 0x0000000000403ed0 in main (argc=<optimized out>, argv=<optimized out>) at /home/nate/kde/src/discover/discover/main.cpp:231 ADDITIONAL INFORMATION Only affects the PackageKit backend; cannot reproduce with `plasma-discover --backends flatpak appstream://org.kde.dolphin.desktop`