Program: 8410
Project: 8410
Buggy source:
public static void signText(Context context,InputData data,OutputStream outStream,long signatureKeyId,String signaturePassPhrase,int hashAlgorithm,boolean forceV3Signature,ProgressDialogUpdater progress) throws GeneralException, PGPException, IOException, NoSuchAlgorithmException, SignatureException {
  ArmoredOutputStream armorOut=new ArmoredOutputStream(outStream);
  armorOut.setHeader("String_Node_Str",getFullVersion(context));
  PGPSecretKey signingKey=null;
  PGPSecretKeyRing signingKeyRing=null;
  PGPPrivateKey signaturePrivateKey=null;
  if (signatureKeyId == 0) {
    armorOut.close();
    throw new GeneralException(context.getString(R.string.error_noSignatureKey));
  }
  signingKeyRing=getSecretKeyRing(signatureKeyId);
  signingKey=PGPHelper.getSigningKey(signatureKeyId);
  if (signingKey == null) {
    armorOut.close();
    throw new GeneralException(context.getString(R.string.error_signatureFailed));
  }
  if (signaturePassPhrase == null) {
    armorOut.close();
    throw new GeneralException(context.getString(R.string.error_noSignaturePassPhrase));
  }
  PBESecretKeyDecryptor keyDecryptor=new JcePBESecretKeyDecryptorBuilder().setProvider(BOUNCY_CASTLE_PROVIDER_NAME).build(signaturePassPhrase.toCharArray());
  signaturePrivateKey=signingKey.extractPrivateKey(keyDecryptor);
  if (signaturePrivateKey == null) {
    armorOut.close();
    throw new GeneralException(context.getString(R.string.error_couldNotExtractPrivateKey));
  }
  if (progress != null)   progress.setProgress(R.string.progress_preparingStreams,0,100);
  if (progress != null)   progress.setProgress(R.string.progress_preparingSignature,30,100);
  PGPSignatureGenerator signatureGenerator=null;
  PGPV3SignatureGenerator signatureV3Generator=null;
  JcaPGPContentSignerBuilder contentSignerBuilder=new JcaPGPContentSignerBuilder(signingKey.getPublicKey().getAlgorithm(),hashAlgorithm).setProvider(BOUNCY_CASTLE_PROVIDER_NAME);
  if (forceV3Signature) {
    signatureV3Generator=new PGPV3SignatureGenerator(contentSignerBuilder);
    signatureV3Generator.init(PGPSignature.CANONICAL_TEXT_DOCUMENT,signaturePrivateKey);
  }
 else {
    signatureGenerator=new PGPSignatureGenerator(contentSignerBuilder);
    signatureGenerator.init(PGPSignature.CANONICAL_TEXT_DOCUMENT,signaturePrivateKey);
    PGPSignatureSubpacketGenerator spGen=new PGPSignatureSubpacketGenerator();
    String userId=PGPHelper.getMainUserId(PGPHelper.getMasterKey(signingKeyRing));
    spGen.setSignerUserID(false,userId);
    signatureGenerator.setHashedSubpackets(spGen.generate());
  }
  if (progress != null)   progress.setProgress(R.string.progress_signing,40,100);
  armorOut.beginClearText(hashAlgorithm);
  InputStream inStream=data.getInputStream();
  final BufferedReader reader=new BufferedReader(new InputStreamReader(inStream));
  final byte[] newline="String_Node_Str".getBytes("String_Node_Str");
  if (forceV3Signature) {
    processLine(reader.readLine(),armorOut,signatureV3Generator);
  }
 else {
    processLine(reader.readLine(),armorOut,signatureGenerator);
  }
  while (true) {
    final String line=reader.readLine();
    if (line == null) {
      armorOut.write(newline);
      break;
    }
    armorOut.write(newline);
    if (forceV3Signature) {
      signatureV3Generator.update(newline);
      processLine(line,armorOut,signatureV3Generator);
    }
 else {
      signatureGenerator.update(newline);
      processLine(line,armorOut,signatureGenerator);
    }
  }
  armorOut.endClearText();
  BCPGOutputStream bOut=new BCPGOutputStream(armorOut);
  if (forceV3Signature) {
    signatureV3Generator.generate().encode(bOut);
  }
 else {
    signatureGenerator.generate().encode(bOut);
  }
  armorOut.close();
  if (progress != null)   progress.setProgress(R.string.progress_done,100,100);
}

Fixed version (ground truth):
public static void signText(Context context,InputData data,OutputStream outStream,long signatureKeyId,String signaturePassPhrase,int hashAlgorithm,boolean forceV3Signature,ProgressDialogUpdater progress) throws GeneralException, PGPException, IOException, NoSuchAlgorithmException, SignatureException {
  ArmoredOutputStream armorOut=new ArmoredOutputStream(outStream);
  armorOut.setHeader("String_Node_Str",getFullVersion(context));
  PGPSecretKey signingKey=null;
  PGPSecretKeyRing signingKeyRing=null;
  PGPPrivateKey signaturePrivateKey=null;
  if (signatureKeyId == 0) {
    armorOut.close();
    throw new GeneralException(context.getString(R.string.error_noSignatureKey));
  }
  signingKeyRing=getSecretKeyRing(signatureKeyId);
  signingKey=PGPHelper.getSigningKey(signatureKeyId);
  if (signingKey == null) {
    armorOut.close();
    throw new GeneralException(context.getString(R.string.error_signatureFailed));
  }
  if (signaturePassPhrase == null) {
    armorOut.close();
    throw new GeneralException(context.getString(R.string.error_noSignaturePassPhrase));
  }
  PBESecretKeyDecryptor keyDecryptor=new JcePBESecretKeyDecryptorBuilder().setProvider(BOUNCY_CASTLE_PROVIDER_NAME).build(signaturePassPhrase.toCharArray());
  signaturePrivateKey=signingKey.extractPrivateKey(keyDecryptor);
  if (signaturePrivateKey == null) {
    armorOut.close();
    throw new GeneralException(context.getString(R.string.error_couldNotExtractPrivateKey));
  }
  updateProgress(progress,R.string.progress_preparingStreams,0,100);
  updateProgress(progress,R.string.progress_preparingSignature,30,100);
  PGPSignatureGenerator signatureGenerator=null;
  PGPV3SignatureGenerator signatureV3Generator=null;
  JcaPGPContentSignerBuilder contentSignerBuilder=new JcaPGPContentSignerBuilder(signingKey.getPublicKey().getAlgorithm(),hashAlgorithm).setProvider(BOUNCY_CASTLE_PROVIDER_NAME);
  if (forceV3Signature) {
    signatureV3Generator=new PGPV3SignatureGenerator(contentSignerBuilder);
    signatureV3Generator.init(PGPSignature.CANONICAL_TEXT_DOCUMENT,signaturePrivateKey);
  }
 else {
    signatureGenerator=new PGPSignatureGenerator(contentSignerBuilder);
    signatureGenerator.init(PGPSignature.CANONICAL_TEXT_DOCUMENT,signaturePrivateKey);
    PGPSignatureSubpacketGenerator spGen=new PGPSignatureSubpacketGenerator();
    String userId=PGPHelper.getMainUserId(PGPHelper.getMasterKey(signingKeyRing));
    spGen.setSignerUserID(false,userId);
    signatureGenerator.setHashedSubpackets(spGen.generate());
  }
  updateProgress(progress,R.string.progress_signing,40,100);
  armorOut.beginClearText(hashAlgorithm);
  InputStream inStream=data.getInputStream();
  final BufferedReader reader=new BufferedReader(new InputStreamReader(inStream));
  final byte[] newline="String_Node_Str".getBytes("String_Node_Str");
  if (forceV3Signature) {
    processLine(reader.readLine(),armorOut,signatureV3Generator);
  }
 else {
    processLine(reader.readLine(),armorOut,signatureGenerator);
  }
  while (true) {
    final String line=reader.readLine();
    if (line == null) {
      armorOut.write(newline);
      break;
    }
    armorOut.write(newline);
    if (forceV3Signature) {
      signatureV3Generator.update(newline);
      processLine(line,armorOut,signatureV3Generator);
    }
 else {
      signatureGenerator.update(newline);
      processLine(line,armorOut,signatureGenerator);
    }
  }
  armorOut.endClearText();
  BCPGOutputStream bOut=new BCPGOutputStream(armorOut);
  if (forceV3Signature) {
    signatureV3Generator.generate().encode(bOut);
  }
 else {
    signatureGenerator.generate().encode(bOut);
  }
  armorOut.close();
  updateProgress(progress,R.string.progress_done,100,100);
}