Findbugs report on jdk7 b112 shows Malicious code vulnerability Warnings in com.sun.java.util.jar.pack.*

Full report is here:
http://sqeweb.sfbay.sun.com/jsn/users/bsitu/StaticAnalysis/results/findbugs1.3.9/jdk7-b112-jre.html#Warnings_MALICIOUS_CODE

Detail:
EI com.sun.java.util.jar.pack.Attribute$Layout.getCallables() may expose internal representation by returning Attribute$Layout.elems


Bug type EI_EXPOSE_REP (click for details)
In class com.sun.java.util.jar.pack.Attribute$Layout
In method com.sun.java.util.jar.pack.Attribute$Layout.getCallables()
Field com.sun.java.util.jar.pack.Attribute$Layout.elems
At Attribute.java:[line 609]
EI com.sun.java.util.jar.pack.Attribute$Layout.getEntryPoint() may expose internal representation by returning Attribute$Layout.elems


Bug type EI_EXPOSE_REP (click for details)
In class com.sun.java.util.jar.pack.Attribute$Layout
In method com.sun.java.util.jar.pack.Attribute$Layout.getEntryPoint()
Field com.sun.java.util.jar.pack.Attribute$Layout.elems
At Attribute.java:[line 617]