Program: 32907
Project: 32907
Buggy source:
public BufferedImage parseUserSkin(BufferedImage image){
  if (image == null) {
    return null;
  }
 else {
    int ratio=image.getWidth() / 64;
    this.imageWidth=64 * ratio;
    this.imageHeight=64 * ratio;
    BufferedImage bufferedimage=new BufferedImage(this.imageWidth,this.imageHeight,2);
    Graphics graphics=bufferedimage.getGraphics();
    graphics.drawImage(image,0,0,(ImageObserver)null);
    boolean flag=image.getHeight() == 32;
    if (flag) {
      if (!customskinloader.CustomSkinLoader.config.enableTransparentSkin) {
        graphics.setColor(new Color(0,0,0,0));
        graphics.fillRect(0,32,64,32);
      }
      graphics.drawImage(bufferedimage,24 * ratio,48 * ratio,20 * ratio,52 * ratio,4 * ratio,16 * ratio,8 * ratio,20 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,28 * ratio,48 * ratio,24 * ratio,52 * ratio,8 * ratio,16 * ratio,12 * ratio,20 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,20 * ratio,52 * ratio,16 * ratio,64 * ratio,8 * ratio,20 * ratio,12 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,24 * ratio,52 * ratio,20 * ratio,64 * ratio,4 * ratio,20 * ratio,8 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,28 * ratio,52 * ratio,24 * ratio,64 * ratio,0 * ratio,20 * ratio,4 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,32 * ratio,52 * ratio,28 * ratio,64 * ratio,12 * ratio,20 * ratio,16 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,40 * ratio,48 * ratio,36 * ratio,52 * ratio,44 * ratio,16 * ratio,48 * ratio,20 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,44 * ratio,48 * ratio,40 * ratio,52 * ratio,48 * ratio,16 * ratio,52 * ratio,20 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,36 * ratio,52 * ratio,32 * ratio,64 * ratio,48 * ratio,20 * ratio,52 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,40 * ratio,52 * ratio,36 * ratio,64 * ratio,44 * ratio,20 * ratio,48 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,44 * ratio,52 * ratio,40 * ratio,64 * ratio,40 * ratio,20 * ratio,44 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,48 * ratio,52 * ratio,44 * ratio,64 * ratio,52 * ratio,20 * ratio,56 * ratio,32 * ratio,(ImageObserver)null);
    }
    graphics.dispose();
    this.imageData=((DataBufferInt)bufferedimage.getRaster().getDataBuffer()).getData();
    if (!customskinloader.CustomSkinLoader.config.enableTransparentSkin) {
      this.setAreaOpaque(0,0,32,16);
      if (flag) {
        this.func_189559_a(32,0,64,32);
      }
      this.setAreaOpaque(0,16,64,32);
      this.setAreaOpaque(16,48,48,64);
    }
    return bufferedimage;
  }
}

Fixed version (ground truth):
public BufferedImage parseUserSkin(BufferedImage image){
  if (image == null) {
    return null;
  }
 else {
    int ratio=image.getWidth() / 64;
    this.imageWidth=64 * ratio;
    this.imageHeight=64 * ratio;
    BufferedImage bufferedimage=new BufferedImage(this.imageWidth,this.imageHeight,2);
    Graphics graphics=bufferedimage.getGraphics();
    graphics.drawImage(image,0,0,(ImageObserver)null);
    boolean flag=image.getHeight() == 32 * ratio;
    if (flag) {
      if (!customskinloader.CustomSkinLoader.config.enableTransparentSkin) {
        graphics.setColor(new Color(0,0,0,0));
        graphics.fillRect(0,32,64,32);
      }
      graphics.drawImage(bufferedimage,24 * ratio,48 * ratio,20 * ratio,52 * ratio,4 * ratio,16 * ratio,8 * ratio,20 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,28 * ratio,48 * ratio,24 * ratio,52 * ratio,8 * ratio,16 * ratio,12 * ratio,20 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,20 * ratio,52 * ratio,16 * ratio,64 * ratio,8 * ratio,20 * ratio,12 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,24 * ratio,52 * ratio,20 * ratio,64 * ratio,4 * ratio,20 * ratio,8 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,28 * ratio,52 * ratio,24 * ratio,64 * ratio,0 * ratio,20 * ratio,4 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,32 * ratio,52 * ratio,28 * ratio,64 * ratio,12 * ratio,20 * ratio,16 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,40 * ratio,48 * ratio,36 * ratio,52 * ratio,44 * ratio,16 * ratio,48 * ratio,20 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,44 * ratio,48 * ratio,40 * ratio,52 * ratio,48 * ratio,16 * ratio,52 * ratio,20 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,36 * ratio,52 * ratio,32 * ratio,64 * ratio,48 * ratio,20 * ratio,52 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,40 * ratio,52 * ratio,36 * ratio,64 * ratio,44 * ratio,20 * ratio,48 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,44 * ratio,52 * ratio,40 * ratio,64 * ratio,40 * ratio,20 * ratio,44 * ratio,32 * ratio,(ImageObserver)null);
      graphics.drawImage(bufferedimage,48 * ratio,52 * ratio,44 * ratio,64 * ratio,52 * ratio,20 * ratio,56 * ratio,32 * ratio,(ImageObserver)null);
    }
    graphics.dispose();
    this.imageData=((DataBufferInt)bufferedimage.getRaster().getDataBuffer()).getData();
    if (!customskinloader.CustomSkinLoader.config.enableTransparentSkin) {
      this.setAreaOpaque(0,0,32,16);
      if (flag) {
        this.func_189559_a(32,0,64,32);
      }
      this.setAreaOpaque(0,16,64,32);
      this.setAreaOpaque(16,48,48,64);
    }
    return bufferedimage;
  }
}