FULL PRODUCT VERSION :
java version "1.4.2_10"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_10-b03)
Java HotSpot(TM) Client VM (build 1.4.2_10-b03, mixed mode)

and

java version "1.5.0_06"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05)
Java HotSpot(TM) Server VM (build 1.5.0_06-b05, mixed mode)


FULL OS VERSION :
Linux envit002256 2.6.15-1.1831_FC4smp #1 SMP Tue Feb 7 13:48:31 EST 2006 i686 i686 i386 GNU/Linux

and

SunOS auton 5.9 Generic_118558-17 sun4u sparc SUNW,Sun-Fire-V240


A DESCRIPTION OF THE PROBLEM :
Java virtual machine gets SIGBUS using only Sun java classes [no dynamically linked proprietary code].

Problem occurs with 1.4 and 1.5 virtual machines, and haven't tried earlier virtual machines.

THE PROBLEM WAS REPRODUCIBLE WITH -Xint FLAG: Yes

THE PROBLEM WAS REPRODUCIBLE WITH -server FLAG: Yes

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
To reproduce this problem you need some zip files with certain content.

In the following archive you'll find a small program with source and a zip file.
  http://www.aaa.net.au/campbell/bug.zip

Download the above, unzip it and run it like this:

[dcampbel@auton]~/bug> unzip bug.zip
Archive: bug.zip
  inflating: ReportApplicationDtds.java
  inflating: ReportApplicationDtds.class
   creating: tmp/
   creating: tmp/wars/
   creating: tmp/ejb_jars/
   creating: tmp/ears/
  inflating: tmp/ears/SDBWeb.ear
  inflating: Filter.class
[dcampbel@auton]~/bug> /usr/java1.5/bin/java -classpath . ReportApplicationDtds tmp
about to parse META-INF/application.xml in in SDBWeb.ear
"SDBWeb.ear","","META-INF/application.xml","1.2","1.2","dtd"
about to parse META-INF/application-borland.xml in in SDBWeb.ear
"SDBWeb.ear","","META-INF/application-borland.xml","1.3","1.3","dtd"
about to parse META-INF/application.xml in SDBWeb.ear
about to parse WEB-INF/web.xml in SDBWeb.war in SDBWeb.ear
"SDBWeb.ear","SDBWeb.war","WEB-INF/web.xml","2.3","2.3","dtd"
about to parse WEB-INF/web-borland.xml in SDBWeb.war in SDBWeb.ear
"SDBWeb.ear","SDBWeb.war","WEB-INF/web-borland.xml","2.3","2.3","dtd"
#
# An unexpected error has been detected by HotSpot Virtual Machine:
#
# SIGBUS (0xa) at pc=0xfe702ee8, pid=5204, tid=1
#
# Java VM: Java HotSpot(TM) Server VM (1.5.0_06-b05 mixed mode)
# Problematic frame:
# C [libzip.so+0x2ee8]
#
# An error report file with more information is saved as hs_err_pid5204.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#
Abort (core dumped)


EXPECTED VERSUS ACTUAL BEHAVIOR :
Occasionally, instead of bombing the JVM, you get one of these exceptions:

Exception in thread "main" java.util.zip.ZipException: oversubscribed dynamic bit lengths tree
        at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:140)
        at java.io.FilterInputStream.read(FilterInputStream.java:111)
        at java.io.PushbackInputStream.read(PushbackInputStream.java:161)
        at java.io.FilterInputStream.read(FilterInputStream.java:90)
        at org.apache.crimson.parser.XmlReader.<init>(XmlReader.java:248)
        at org.apache.crimson.parser.XmlReader.createReader(XmlReader.java:125)
        at org.apache.crimson.parser.InputEntity.init(InputEntity.java:215)
        at org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:471)
        at org.apache.crimson.parser.Parser2.parse(Parser2.java:305)
        at org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:442)
        at org.apache.crimson.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:185)
        at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:98)
        at ReportApplicationDtds.showResults(ReportApplicationDtds.java:66)
        at ReportApplicationDtds.showResults(ReportApplicationDtds.java:114)
        at ReportApplicationDtds.showWarResults(ReportApplicationDtds.java:124)
        at ReportApplicationDtds.main(ReportApplicationDtds.java:274)

Exception in thread "main" java.util.zip.ZipException: invalid stored block lengths
        at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:140)
        at java.io.FilterInputStream.read(FilterInputStream.java:111)
        at java.io.PushbackInputStream.read(PushbackInputStream.java:161)
        at java.io.FilterInputStream.read(FilterInputStream.java:90)
        at org.apache.crimson.parser.XmlReader.<init>(XmlReader.java:248)
        at org.apache.crimson.parser.XmlReader.createReader(XmlReader.java:125)
        at org.apache.crimson.parser.InputEntity.init(InputEntity.java:215)
        at org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:471)
        at org.apache.crimson.parser.Parser2.parse(Parser2.java:305)
        at org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:442)
        at org.apache.crimson.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:185)
        at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:98)
        at ReportApplicationDtds.showResults(ReportApplicationDtds.java:66)
        at ReportApplicationDtds.showResults(ReportApplicationDtds.java:114)
        at ReportApplicationDtds.showWarResults(ReportApplicationDtds.java:124)
        at ReportApplicationDtds.main(ReportApplicationDtds.java:274)

ERROR MESSAGES/STACK TRACES THAT OCCUR :
The output of Java 1.4.2_10 on linux and the output of Java 1.5.0_06-b05 on Solaris 9 is attached seperatly.

REPRODUCIBILITY :
This bug can be reproduced often.

---------- BEGIN SOURCE ----------
This problem is obscure. It only happens with zip files of a certain size or flavour, so the example I reference from this case will illustrate everything for you. See the "steps to reproduce" description I have provided.
---------- END SOURCE ----------