Program: 8340
Project: 8340
Buggy source:
public SignEncryptResult execute(SignEncryptParcel input){
  OperationLog log=new OperationLog();
  log.add(LogType.MSG_SE,0);
  ArrayDeque<Uri> inputUris=new ArrayDeque<>(input.getInputUris());
  ArrayDeque<Uri> outputUris=new ArrayDeque<>(input.getOutputUris());
  byte[] inputBytes=input.getBytes();
  byte[] outputBytes=null;
  ArrayList<PgpSignEncryptResult> results=new ArrayList<>();
  do {
    if (checkCancelled()) {
      log.add(LogType.MSG_OPERATION_CANCELLED,0);
      return new SignEncryptResult(SignEncryptResult.RESULT_CANCELLED,log,results);
    }
    InputData inputData;
{
      if (inputBytes != null) {
        log.add(LogType.MSG_SE_INPUT_BYTES,1);
        InputStream is=new ByteArrayInputStream(inputBytes);
        inputData=new InputData(is,inputBytes.length);
        inputBytes=null;
      }
 else {
        if (inputUris.isEmpty()) {
          log.add(LogType.MSG_SE_ERROR_NO_INPUT,1);
          return new SignEncryptResult(SignEncryptResult.RESULT_ERROR,log,results);
        }
        log.add(LogType.MSG_SE_INPUT_URI,1);
        Uri uri=inputUris.removeFirst();
        try {
          InputStream is=mContext.getContentResolver().openInputStream(uri);
          long fileSize=FileHelper.getFileSize(mContext,uri,0);
          String filename=FileHelper.getFilename(mContext,uri);
          inputData=new InputData(is,fileSize,filename);
        }
 catch (        FileNotFoundException e) {
          log.add(LogType.MSG_SE_ERROR_INPUT_URI_NOT_FOUND,1);
          return new SignEncryptResult(SignEncryptResult.RESULT_ERROR,log,results);
        }
      }
    }
    OutputStream outStream;
{
      if (!outputUris.isEmpty()) {
        try {
          Uri outputUri=outputUris.removeFirst();
          outStream=mContext.getContentResolver().openOutputStream(outputUri);
        }
 catch (        FileNotFoundException e) {
          log.add(LogType.MSG_SE_ERROR_OUTPUT_URI_NOT_FOUND,1);
          return new SignEncryptResult(SignEncryptResult.RESULT_ERROR,log,results);
        }
      }
 else {
        if (outputBytes != null) {
          log.add(LogType.MSG_SE_ERROR_TOO_MANY_INPUTS,1);
          return new SignEncryptResult(SignEncryptResult.RESULT_ERROR,log,results);
        }
        outStream=new ByteArrayOutputStream();
      }
    }
    PgpSignEncryptOperation op=new PgpSignEncryptOperation(mContext,mProviderHelper,new ProgressScaler(),mCancelled);
    PgpSignEncryptResult result=op.execute(input,inputData,outStream);
    results.add(result);
    log.add(result,2);
    if (result.isPending()) {
      return new SignEncryptResult(SignEncryptResult.RESULT_PENDING,log,results);
    }
    if (!result.success()) {
      return new SignEncryptResult(SignEncryptResult.RESULT_ERROR,log,results);
    }
    if (outStream instanceof ByteArrayOutputStream) {
      outputBytes=((ByteArrayOutputStream)outStream).toByteArray();
    }
  }
 while (!inputUris.isEmpty());
  if (!outputUris.isEmpty()) {
    log.add(LogType.MSG_SE_WARN_OUTPUT_LEFT,1);
  }
  log.add(LogType.MSG_SE_SUCCESS,1);
  return new SignEncryptResult(SignEncryptResult.RESULT_OK,log,results,outputBytes);
}

Fixed version (ground truth):
public SignEncryptResult execute(SignEncryptParcel input){
  OperationLog log=new OperationLog();
  log.add(LogType.MSG_SE,0);
  ArrayDeque<Uri> inputUris=new ArrayDeque<>(input.getInputUris());
  ArrayDeque<Uri> outputUris=new ArrayDeque<>(input.getOutputUris());
  byte[] inputBytes=input.getBytes();
  byte[] outputBytes=null;
  int total=inputBytes != null ? 1 : inputUris.size(), count=0;
  ArrayList<PgpSignEncryptResult> results=new ArrayList<>();
  do {
    if (checkCancelled()) {
      log.add(LogType.MSG_OPERATION_CANCELLED,0);
      return new SignEncryptResult(SignEncryptResult.RESULT_CANCELLED,log,results);
    }
    InputData inputData;
{
      if (inputBytes != null) {
        log.add(LogType.MSG_SE_INPUT_BYTES,1);
        InputStream is=new ByteArrayInputStream(inputBytes);
        inputData=new InputData(is,inputBytes.length);
        inputBytes=null;
      }
 else {
        if (inputUris.isEmpty()) {
          log.add(LogType.MSG_SE_ERROR_NO_INPUT,1);
          return new SignEncryptResult(SignEncryptResult.RESULT_ERROR,log,results);
        }
        log.add(LogType.MSG_SE_INPUT_URI,1);
        Uri uri=inputUris.removeFirst();
        try {
          InputStream is=mContext.getContentResolver().openInputStream(uri);
          long fileSize=FileHelper.getFileSize(mContext,uri,0);
          String filename=FileHelper.getFilename(mContext,uri);
          inputData=new InputData(is,fileSize,filename);
        }
 catch (        FileNotFoundException e) {
          log.add(LogType.MSG_SE_ERROR_INPUT_URI_NOT_FOUND,1);
          return new SignEncryptResult(SignEncryptResult.RESULT_ERROR,log,results);
        }
      }
    }
    OutputStream outStream;
{
      if (!outputUris.isEmpty()) {
        try {
          Uri outputUri=outputUris.removeFirst();
          outStream=mContext.getContentResolver().openOutputStream(outputUri);
        }
 catch (        FileNotFoundException e) {
          log.add(LogType.MSG_SE_ERROR_OUTPUT_URI_NOT_FOUND,1);
          return new SignEncryptResult(SignEncryptResult.RESULT_ERROR,log,results);
        }
      }
 else {
        if (outputBytes != null) {
          log.add(LogType.MSG_SE_ERROR_TOO_MANY_INPUTS,1);
          return new SignEncryptResult(SignEncryptResult.RESULT_ERROR,log,results);
        }
        outStream=new ByteArrayOutputStream();
      }
    }
    PgpSignEncryptOperation op=new PgpSignEncryptOperation(mContext,mProviderHelper,new ProgressScaler(mProgressable,100 * count / total,100 * ++count / total,100),mCancelled);
    PgpSignEncryptResult result=op.execute(input,inputData,outStream);
    results.add(result);
    log.add(result,2);
    if (result.isPending()) {
      return new SignEncryptResult(SignEncryptResult.RESULT_PENDING,log,results);
    }
    if (!result.success()) {
      return new SignEncryptResult(SignEncryptResult.RESULT_ERROR,log,results);
    }
    if (outStream instanceof ByteArrayOutputStream) {
      outputBytes=((ByteArrayOutputStream)outStream).toByteArray();
    }
  }
 while (!inputUris.isEmpty());
  if (!outputUris.isEmpty()) {
    log.add(LogType.MSG_SE_WARN_OUTPUT_LEFT,1);
  }
  log.add(LogType.MSG_SE_SUCCESS,1);
  return new SignEncryptResult(SignEncryptResult.RESULT_OK,log,results,outputBytes);
}