[Bug 903] New: Hotspot SIGSEGV crash while processing infinity

[bugzilla-daemon at icedtea.classpath.org]

http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=903

             Bug #: 903
           Summary: Hotspot SIGSEGV crash while processing infinity
    Classification: Unclassified
           Product: IcedTea
           Version: 6-1.11.1
          Platform: x86_64
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: IcedTea
        AssignedTo: unassigned at icedtea.classpath.org
        ReportedBy: xerxes at zafena.se


Expected output:
...
1.7309105769399324
1.7585027028517948
1.2800954606489774
=======================
stuck in endless loop while processing infinity

Output using hotspot on x86_64
...
1.7309105769399324
1.7585027028517948
1.2800954606489774
=======================
*crash*

This bug triggers using:
# JRE version: 6.0_24-b24
# Java VM: OpenJDK 64-Bit Server VM (20.0-b12 mixed mode linux-amd64 compressed
oops)
# Derivative: IcedTea6 1.11.1
# Distribution: Fedora release 16 (Verne), package fedora-65.1.11.1.fc16-x86_64

This bug are fixed in icedtea7

This bug only trigger using hotspot on x86_64

Testcase:
wget http://ftp.cica.es/mirrors/maven2/colt/colt/1.2.0/colt-1.2.0.jar
cat > JVMCrash.java <<EOF
// Requires Colt 1.2.0
// http://ftp.cica.es/mirrors/maven2/colt/colt/1.2.0/colt-1.2.0.jar

import cern.colt.matrix.linalg.SingularValueDecomposition;
import cern.colt.matrix.DoubleMatrix2D;
import cern.colt.matrix.impl.DenseDoubleMatrix2D;
import java.util.Random;

public class JVMCrash {
  public static void main(String args[]) {
    for(int i = 0; i<10000; i++) {
      DoubleMatrix2D matrix = getRandom();
      SingularValueDecomposition svd = new SingularValueDecomposition(matrix);
      double result[] = svd.getSingularValues();
      System.out.println(result[0]);
    }

    System.out.println("=======================");

    DoubleMatrix2D matrix = getBadMatrix();
    SingularValueDecomposition svd = new SingularValueDecomposition(matrix);
    double result[] = svd.getSingularValues();
    System.out.println(result[0]);
  }

  private static DoubleMatrix2D getRandom() {
    double m[][] = new double[3][3];
    Random rng = new Random();

    for( int i=0; i < 3; i++) {
      for( int j=0; j < 3; j++) {
        m[i][j] = rng.nextDouble();
      }
    }
    return new DenseDoubleMatrix2D(m);
  }

  private static DoubleMatrix2D getBadMatrix() {
    double m[][] = { { Double.POSITIVE_INFINITY, 7.58025130000000e-01,
7.18653196252500e+04},
                     { 7.58025130000000e-01, 2.13853302893144e+295,
9.04220000000000e-04},
                     { 7.18653196252500e+04, 9.04220000000000e-04,
7.04599222429230e+304}
                   };
    return new DenseDoubleMatrix2D(m);
  }
}
EOF
javac -cp colt-1.2.0.jar JVMCrash.java
java -cp colt-1.2.0.jar:. JVMCrash

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