Program: 11178
Project: 11178
Buggy source:
public BufferedImage getAsImage() throws TilerException {
  int pixels=width * height;
  int[] offsets=new int[bufferBandCount];
  for (int b=0; b < bufferBandCount; b++) {
    offsets[b]=b * pixels;
  }
  DataBuffer imgBuffer=null;
  int imageType=0, dataType=0;
  if (bufferType == gdalconstConstants.GDT_Byte) {
    byte[] bytes=new byte[pixels * bufferBandCount];
    buffer.get(bytes);
    imgBuffer=new DataBufferByte(bytes,bytes.length);
    dataType=DataBuffer.TYPE_BYTE;
    imageType=indexed ? BufferedImage.TYPE_BYTE_INDEXED : BufferedImage.TYPE_BYTE_GRAY;
  }
 else   if (bufferType == gdalconstConstants.GDT_Int16 || bufferType == gdalconstConstants.GDT_UInt16) {
    short[] shorts=new short[pixels * bufferBandCount];
    buffer.asShortBuffer().get(shorts);
    imgBuffer=new DataBufferShort(shorts,shorts.length);
    dataType=DataBuffer.TYPE_USHORT;
    imageType=BufferedImage.TYPE_USHORT_GRAY;
  }
 else   if (bufferType == gdalconstConstants.GDT_Int32 || bufferType == gdalconstConstants.GDT_UInt32) {
    int[] ints=new int[pixels * bufferBandCount];
    buffer.asIntBuffer().get(ints);
    imgBuffer=new DataBufferInt(ints,ints.length);
    dataType=DataBuffer.TYPE_INT;
    imageType=BufferedImage.TYPE_CUSTOM;
  }
 else {
    throw new TilerException("String_Node_Str");
  }
  SampleModel sampleModel=new ComponentSampleModel(dataType,width,height,1,width,offsets);
  WritableRaster raster=Raster.createWritableRaster(sampleModel,imgBuffer,null);
  BufferedImage img=null;
  if (bufferBandCount == 4) {
    imageType=BufferedImage.TYPE_INT_ARGB_PRE;
  }
 else   if (bufferBandCount == 3) {
    imageType=BufferedImage.TYPE_INT_RGB;
  }
 else   if (indexed && bufferBandCount == 1) {
  }
 else {
  }
  img=(indexColorModel == null) ? new BufferedImage(width,height,imageType) : new BufferedImage(width,height,imageType,indexColorModel);
  img.setData(raster);
  return img;
}

Fixed version (ground truth):
public BufferedImage getAsImage() throws TilerException {
  int pixels=width * height;
  int[] offsets=new int[bufferBandCount];
  for (int b=0; b < bufferBandCount; b++) {
    offsets[b]=b * pixels;
  }
  DataBuffer imgBuffer=null;
  int imageType=0, dataType=0;
  if (bufferType == gdalconstConstants.GDT_Byte) {
    byte[] bytes=new byte[pixels * bufferBandCount];
    buffer.get(bytes);
    imgBuffer=new DataBufferByte(bytes,bytes.length);
    dataType=DataBuffer.TYPE_BYTE;
    imageType=indexed ? BufferedImage.TYPE_BYTE_INDEXED : BufferedImage.TYPE_BYTE_GRAY;
  }
 else   if (bufferType == gdalconstConstants.GDT_Int16 || bufferType == gdalconstConstants.GDT_UInt16) {
    short[] shorts=new short[pixels * bufferBandCount];
    buffer.asShortBuffer().get(shorts);
    imgBuffer=new DataBufferShort(shorts,shorts.length);
    dataType=bufferType == gdalconstConstants.GDT_UInt16 ? DataBuffer.TYPE_USHORT : DataBuffer.TYPE_SHORT;
    imageType=BufferedImage.TYPE_USHORT_GRAY;
  }
 else   if (bufferType == gdalconstConstants.GDT_Int32 || bufferType == gdalconstConstants.GDT_UInt32) {
    int[] ints=new int[pixels * bufferBandCount];
    buffer.asIntBuffer().get(ints);
    imgBuffer=new DataBufferInt(ints,ints.length);
    dataType=DataBuffer.TYPE_INT;
    imageType=BufferedImage.TYPE_CUSTOM;
  }
 else {
    throw new TilerException("String_Node_Str");
  }
  SampleModel sampleModel=new ComponentSampleModel(dataType,width,height,1,width,offsets);
  WritableRaster raster=Raster.createWritableRaster(sampleModel,imgBuffer,null);
  BufferedImage img=null;
  if (bufferBandCount == 4) {
    imageType=BufferedImage.TYPE_INT_ARGB_PRE;
  }
 else   if (bufferBandCount == 3) {
    imageType=BufferedImage.TYPE_INT_RGB;
  }
 else   if (indexed && bufferBandCount == 1) {
  }
 else {
  }
  img=(indexColorModel == null) ? new BufferedImage(width,height,imageType) : new BufferedImage(width,height,imageType,indexColorModel);
  img.setData(raster);
  return img;
}