Program: 21239
Project: 21239
Buggy source:
private boolean open() throws UnrarException {
  String pass=null;
  int i=0;
  fireEvent(JDUnrarConstants.WRAPPER_START_OPEN_ARCHIVE);
  int c=0;
  while (true) {
    Executer exec=new Executer(unrarCommand);
    exec.setCodepage(JDUnrar.CODEPAGE);
    exec.setDebug(DEBUG);
    if (i > 0) {
      if (passwordList.length < i) {
        return false;
      }
      pass=this.passwordList[i - 1];
    }
    if (c > 0) {
      crackProgress=((c) * 100) / passwordList.length;
      fireEvent(JDUnrarConstants.WRAPPER_PASSWORT_CRACKING);
    }
    c++;
    i++;
    exec.addParameter("String_Node_Str");
    exec.addParameter("String_Node_Str");
    exec.addProcessListener(new PasswordListener(pass),Executer.LISTENER_ERRORSTREAM);
    exec.addParameter("String_Node_Str");
    exec.addParameter("String_Node_Str");
    exec.addParameter(file.getName());
    exec.setRunin(file.getParentFile().getAbsolutePath());
    exec.setWaitTimeout(-1);
    exec.setDebug(true);
    exec.start();
    exec.waitTimeout();
    String res=exec.getOutputStream() + "String_Node_Str" + exec.getErrorStream();
    JDUtilities.getLogger().finest(res);
    String match;
    if ((match=new Regex(res,Pattern.compile("String_Node_Str")).getMatch(0)) != null) {
      statusid=JDUnrarConstants.WRAPPER_EXTRACTION_FAILED_CRC;
      match=new Regex(match,"String_Node_Str").getMatch(0);
      currentVolume=Integer.parseInt(match.trim());
      return false;
    }
    if (res.contains("String_Node_Str") || res.contains("String_Node_Str")) {
      throw new UnrarException("String_Node_Str" + file.getAbsolutePath());
    }
    if (res.indexOf("String_Node_Str") != -1 || res.contains("String_Node_Str")) {
      JDUtilities.getLogger().finest("String_Node_Str" + file.getName() + "String_Node_Str"+ pass);
      continue;
    }
 else {
      String[] volumes=Pattern.compile("String_Node_Str",Pattern.DOTALL).split(res);
      ArchivFile tmp=null;
      String namen="String_Node_Str";
      this.files=new ArrayList<ArchivFile>();
      this.totalSize=0;
      for (      String volume : volumes) {
        res=volume;
        Pattern patternvolumes=Pattern.compile("String_Node_Str",Pattern.CASE_INSENSITIVE);
        Matcher matchervolumes=patternvolumes.matcher(res);
        String vol=new Regex(res,"String_Node_Str").getMatch(0);
        if (vol != null) {
          volumeNum=Integer.parseInt(vol.trim());
        }
        while (matchervolumes.find()) {
          String name=matchervolumes.group(1);
          if (name.matches("String_Node_Str")) {
            name=name.replaceFirst("String_Node_Str","String_Node_Str");
            long size=Long.parseLong(matchervolumes.group(2));
            this.isProtected=true;
            if (pass != null && password != pass) {
              this.password=pass;
              fireEvent(JDUnrarConstants.WRAPPER_PASSWORD_FOUND);
            }
            if (!name.equals(namen) && !matchervolumes.group(4).equals("String_Node_Str")) {
              tmp=new ArchivFile(name);
              tmp.setSize(size);
              tmp.setPath(this.getExtractTo());
              tmp.setProtected(true);
              tmp.addVolume(vol);
              files.add(tmp);
              namen=name;
              totalSize+=size;
            }
 else             if (name.equals(namen)) {
              tmp.addVolume(vol);
            }
          }
 else {
            name=name.replaceFirst("String_Node_Str","String_Node_Str");
            if (!name.equals(namen) && !matchervolumes.group(4).equals("String_Node_Str")) {
              tmp=new ArchivFile(name);
              tmp.setPath(this.getExtractTo());
              long size;
              tmp.setSize(size=Long.parseLong(matchervolumes.group(2)));
              totalSize+=size;
              tmp.setProtected(false);
              tmp.addVolume(vol);
              files.add(tmp);
              namen=name;
            }
 else             if (name.equals(namen)) {
              tmp.addVolume(vol);
            }
          }
        }
      }
      if (res.indexOf("String_Node_Str") != -1) {
        return false;
      }
      return true;
    }
  }
}

Fixed version (ground truth):
private boolean open() throws UnrarException {
  String pass=null;
  int i=0;
  fireEvent(JDUnrarConstants.WRAPPER_START_OPEN_ARCHIVE);
  int c=0;
  while (true) {
    Executer exec=new Executer(unrarCommand);
    exec.setCodepage(JDUnrar.CODEPAGE);
    exec.setDebug(DEBUG);
    if (i > 0) {
      if (passwordList.length < i) {
        fireEvent(JDUnrarConstants.WRAPPER_PASSWORD_NEEDED_TO_CONTINUE);
        if (password == null)         return false;
        pass=password;
        password=null;
      }
 else {
        pass=this.passwordList[i - 1];
      }
    }
    if (c > 0) {
      crackProgress=((c) * 100) / passwordList.length;
      fireEvent(JDUnrarConstants.WRAPPER_PASSWORT_CRACKING);
    }
    c++;
    i++;
    exec.addParameter("String_Node_Str");
    exec.addParameter("String_Node_Str");
    exec.addProcessListener(new PasswordListener(pass),Executer.LISTENER_ERRORSTREAM);
    exec.addParameter("String_Node_Str");
    exec.addParameter("String_Node_Str");
    exec.addParameter(file.getName());
    exec.setRunin(file.getParentFile().getAbsolutePath());
    exec.setWaitTimeout(-1);
    exec.setDebug(true);
    exec.start();
    exec.waitTimeout();
    String res=exec.getOutputStream() + "String_Node_Str" + exec.getErrorStream();
    JDUtilities.getLogger().finest(res);
    String match;
    if ((match=new Regex(res,Pattern.compile("String_Node_Str")).getMatch(0)) != null) {
      statusid=JDUnrarConstants.WRAPPER_EXTRACTION_FAILED_CRC;
      match=new Regex(match,"String_Node_Str").getMatch(0);
      currentVolume=Integer.parseInt(match.trim());
      return false;
    }
    if (res.contains("String_Node_Str") || res.contains("String_Node_Str")) {
      throw new UnrarException("String_Node_Str" + file.getAbsolutePath());
    }
    if (res.indexOf("String_Node_Str") != -1 || res.contains("String_Node_Str")) {
      JDUtilities.getLogger().finest("String_Node_Str" + file.getName() + "String_Node_Str"+ pass);
      continue;
    }
 else {
      String[] volumes=Pattern.compile("String_Node_Str",Pattern.DOTALL).split(res);
      ArchivFile tmp=null;
      String namen="String_Node_Str";
      this.files=new ArrayList<ArchivFile>();
      this.totalSize=0;
      for (      String volume : volumes) {
        res=volume;
        Pattern patternvolumes=Pattern.compile("String_Node_Str",Pattern.CASE_INSENSITIVE);
        Matcher matchervolumes=patternvolumes.matcher(res);
        String vol=new Regex(res,"String_Node_Str").getMatch(0);
        if (vol != null) {
          volumeNum=Integer.parseInt(vol.trim());
        }
        while (matchervolumes.find()) {
          String name=matchervolumes.group(1);
          if (name.matches("String_Node_Str")) {
            name=name.replaceFirst("String_Node_Str","String_Node_Str");
            long size=Long.parseLong(matchervolumes.group(2));
            this.isProtected=true;
            if (pass != null && password != pass) {
              this.password=pass;
              fireEvent(JDUnrarConstants.WRAPPER_PASSWORD_FOUND);
            }
            if (!name.equals(namen) && !matchervolumes.group(4).equals("String_Node_Str")) {
              tmp=new ArchivFile(name);
              tmp.setSize(size);
              tmp.setPath(this.getExtractTo());
              tmp.setProtected(true);
              tmp.addVolume(vol);
              files.add(tmp);
              namen=name;
              totalSize+=size;
            }
 else             if (name.equals(namen)) {
              tmp.addVolume(vol);
            }
          }
 else {
            name=name.replaceFirst("String_Node_Str","String_Node_Str");
            if (!name.equals(namen) && !matchervolumes.group(4).equals("String_Node_Str")) {
              tmp=new ArchivFile(name);
              tmp.setPath(this.getExtractTo());
              long size;
              tmp.setSize(size=Long.parseLong(matchervolumes.group(2)));
              totalSize+=size;
              tmp.setProtected(false);
              tmp.addVolume(vol);
              files.add(tmp);
              namen=name;
            }
 else             if (name.equals(namen)) {
              tmp.addVolume(vol);
            }
          }
        }
      }
      if (res.indexOf("String_Node_Str") != -1) {
        return false;
      }
      return true;
    }
  }
}