https://bugs.kde.org/show_bug.cgi?id=524352
Bug ID: 524352
Summary: kactivitymanagerd crashes (SIGSEGV) on every call to
Features.IsFeatureOperational()
Classification: Plasma
Product: plasmashell
Version First 6.7.4
Reported In:
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: The Activities subsystem in general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
Created attachment 195206
--> https://bugs.kde.org/attachment.cgi?id=195206&action=edit
kactivitymanagerd crash backtrace
DESCRIPTION
Calling org.kde.ActivityManager.Features.IsFeatureOperational() over D-Bus
always crashes kactivitymanagerd, inside
StatsPlugin::isFeatureOperational() in the ResourceScoring plugin. Found
this while investigating an unrelated plasmashell performance issue;
kactivitymanagerd also crash-looped on its own a few times while that
issue was ongoing, so this isn't only triggered by calling it manually.
STEPS TO REPRODUCE
1. Have kactivitymanagerd running (default on any Plasma session)
2. Run: qdbus org.kde.ActivityManager /ActivityManager/Features
org.kde.ActivityManager.Features.IsFeatureOperational
"org.kde.ActivityManager.Resources.Scoring"
OBSERVED RESULT
kactivitymanagerd crashes with SIGSEGV every time. GetValue on the same
feature also fails ("NoReply / Remote peer disconnected") - likely the
same crash.
EXPECTED RESULT
Should return a boolean without crashing the daemon.
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 44 (KDE Spin), x86_64
KDE Plasma Version: 6.7.4 (kactivitymanagerd 6.7.4-1.fc44)
KDE Frameworks Version: 6.29.0
Qt Version: 6.11.1
ADDITIONAL INFORMATION
Backtrace of the crashing thread (coredumpctl info, Fedora debuginfo):
#4 StatsPlugin::isFeatureOperational(QList<QString> const&) const
in org.kde.ActivityManager.ResourceScoring.so
#5 FeaturesAdaptor::qt_static_metacall(...) in kactivitymanagerd
#6 FeaturesAdaptor::qt_metacall(...) in kactivitymanagerd
#7 QDBusConnectionPrivate::deliverCall(...) in libQt6DBus.so.6
Full backtrace attached.
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