/usr/share/eclipse/ is in eclipse-mylyn-tasks-bugzilla 3.12.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/eclipse/dropins/
/usr/share/eclipse/dropins/mylyn-tasks-bugzilla/
/usr/share/eclipse/dropins/mylyn-tasks-bugzilla/eclipse/
/usr/share/eclipse/dropins/mylyn-tasks-bugzilla/eclipse/features/
/usr/share/eclipse/dropins/mylyn-tasks-bugzilla/eclipse/features/org.eclipse.mylyn.bugzilla_feature_3.12.0.201707272239//
/usr/share/eclipse/dropins/mylyn-tasks-bugzilla/eclipse/features/org.eclipse.mylyn.bugzilla_feature_3.12.0.201707272239/feature.properties
/usr/share/eclipse/dropins/mylyn-tasks-bugzilla/eclipse/features/org.eclipse.mylyn.bugzilla_feature_3.12.0.201707272239/feature.xml
/usr/share/eclipse/dropins/mylyn-tasks-bugzilla/eclipse/plugins/
/usr/share/eclipse/dropins/mylyn-tasks-bugzilla/eclipse/plugins/org.eclipse.mylyn.bugzilla.core_3.12.0.201707272239.jar
/usr/share/eclipse/dropins/mylyn-tasks-bugzilla/eclipse/plugins/org.eclipse.mylyn.bugzilla.ui_3.12.0.201707272239.jar