[Bug 1022] New: SEGV when closing a Deflater in a finalizer

[bugzilla-daemon at icedtea.classpath.org]

http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=1022

          Priority: P3
            Bug ID: 1022
          Assignee: unassigned at icedtea.classpath.org
           Summary: SEGV when closing a Deflater in a finalizer
          Severity: critical
    Classification: Unclassified
                OS: Linux
          Reporter: mike at bfo.co.uk
          Hardware: x86
            Status: NEW
           Version: 6-1.11.1
         Component: IcedTea
           Product: IcedTea

Created attachment 699
  --> http://icedtea.classpath.org/bugzilla/attachment.cgi?id=699&action=edit
log

The below code will cause a segv every time - it works in the Sun JVM at least
up to 1.6.0_29 and also in OpenJDK 7. Problematic frame is
"[libjvm.so+0x4cfc43]  jni_GetByteArrayRegion+0x83", and the hserr is attached.


import java.util.zip.*;
import java.io.*;
public class Test {
    OutputStream out;
    Test() throws IOException {
    out = new DeflaterOutputStream(new ByteArrayOutputStream());
    }
    protected void finalize() throws IOException {
    out.close();
    }
    public static void main(String[] args) throws Exception {
    Test t = new Test();
    t = null;
    System.gc();
    }
}

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