#fixed code
                              private <PSI> Match doFind(PSI ptn, RepeatableFind repeating) throws IOException {
    Finder f = null;
    Match m = null;
    boolean findingText = false;
    lastFindTime = (new Date()).getTime();
    ScreenImage simg;
    if (repeating != null && repeating._finder != null) {
      simg = getScreen().capture(this);
      f = repeating._finder;
      f.setScreenImage(simg);
      f.setRepeating();
      lastSearchTime = (new Date()).getTime();
      f.findRepeat();
    } else {
      Image img = null;
      if (ptn instanceof String) {
        if (((String) ptn).startsWith("\t") && ((String) ptn).endsWith("\t")) {
          findingText = true;
        } else {
          img = Image.create((String) ptn);
          if (img.isValid()) {
            lastSearchTime = (new Date()).getTime();
            f = checkLastSeenAndCreateFinder(img, repeating.getFindTimeOut(), null);
            if (!f.hasNext()) {
              f.find(img);
            }
          } else if (img.isText()) {
            findingText = true;
          } else {
            throw new IOException("Region: doFind: Image not loadable: " + ptn.toString());
          }
        }
				if (findingText) {
					if (TextRecognizer.getInstance() != null) {
						log(lvl, "doFind: Switching to TextSearch");
						f = new Finder(getScreen().capture(x, y, w, h), this);
						lastSearchTime = (new Date()).getTime();
						f.findText((String) ptn);
					}
        }
      } else if (ptn instanceof Pattern) {
        if (((Pattern) ptn).isValid()) {
          img = ((Pattern) ptn).getImage();
          lastSearchTime = (new Date()).getTime();
          f = checkLastSeenAndCreateFinder(img, repeating.getFindTimeOut(), (Pattern) ptn);
          if (!f.hasNext()) {
            f.find((Pattern) ptn);
          }
        } else {
          throw new IOException("Region: doFind: Image not loadable: " + ptn.toString());
        }
      } else if (ptn instanceof Image) {
        if (((Image) ptn).isValid()) {
          img = ((Image) ptn);
          lastSearchTime = (new Date()).getTime();
          f = checkLastSeenAndCreateFinder(img, repeating.getFindTimeOut(), null);
          if (!f.hasNext()) {
            f.find(img);
          }
        } else {
          throw new IOException("Region: doFind: Image not loadable: " + ptn.toString());
        }
      } else {
        log(-1, "doFind: invalid parameter: %s", ptn);
        Sikulix.terminate(999);
      }
      if (repeating != null) {
        repeating._finder = f;
        repeating._image = img;
      }
    }
    lastSearchTime = (new Date()).getTime() - lastSearchTime;
    lastFindTime = (new Date()).getTime() - lastFindTime;
    if (f.hasNext()) {
      m = f.next();
      m.setTimes(lastFindTime, lastSearchTime);
    }
    return m;
  }
#vulnerable code 
                              private <PSI> Match doFind(PSI ptn, RepeatableFind repeating) throws IOException {
    Finder f = null;
    Match m = null;
    boolean findingText = false;
    lastFindTime = (new Date()).getTime();
    ScreenImage simg;
    if (repeating != null && repeating._finder != null) {
      simg = getScreen().capture(this);
      f = repeating._finder;
      f.setScreenImage(simg);
      f.setRepeating();
      lastSearchTime = (new Date()).getTime();
      f.findRepeat();
    } else {
      Image img = null;
      if (ptn instanceof String) {
        if (((String) ptn).startsWith("\t") && ((String) ptn).endsWith("\t")) {
          findingText = true;
        } else {
          img = Image.create((String) ptn);
          if (img.isValid()) {
            lastSearchTime = (new Date()).getTime();
            f = checkLastSeenAndCreateFinder(img, repeating.getFindTimeOut(), null);
            if (!f.hasNext()) {
              f.find(img);
            }
          } else if (img.isText()) {
            findingText = true;
          } else {
            throw new IOException("Region: doFind: Image not loadable: " + (String) ptn);
          }
        }
				if (findingText) {
					if (TextRecognizer.getInstance() != null) {
						log(lvl, "doFind: Switching to TextSearch");
						f = new Finder(getScreen().capture(x, y, w, h), this);
						lastSearchTime = (new Date()).getTime();
						f.findText((String) ptn);
					}
        }
      } else if (ptn instanceof Pattern) {
        if (((Pattern) ptn).isValid()) {
          img = ((Pattern) ptn).getImage();
          lastSearchTime = (new Date()).getTime();
          f = checkLastSeenAndCreateFinder(img, repeating.getFindTimeOut(), (Pattern) ptn);
          if (!f.hasNext()) {
            f.find((Pattern) ptn);
          }
        } else {
          throw new IOException("Region: doFind: Image not loadable: " + (String) ptn);
        }
      } else if (ptn instanceof Image) {
        if (((Image) ptn).isValid()) {
          img = ((Image) ptn);
          lastSearchTime = (new Date()).getTime();
          f = checkLastSeenAndCreateFinder(img, repeating.getFindTimeOut(), null);
          if (!f.hasNext()) {
            f.find(img);
          }
        } else {
          throw new IOException("Region: doFind: Image not loadable: " + (String) ptn);
        }
      } else {
        log(-1, "doFind: invalid parameter: %s", ptn);
        Sikulix.terminate(999);
      }
      if (repeating != null) {
        repeating._finder = f;
        repeating._image = img;
      }
    }
    lastSearchTime = (new Date()).getTime() - lastSearchTime;
    lastFindTime = (new Date()).getTime() - lastFindTime;
    if (f.hasNext()) {
      m = f.next();
      m.setTimes(lastFindTime, lastSearchTime);
    }
    return m;
  } 
                            #location 74 
                            #vulnerability type NULL_DEREFERENCE