Program: 22046
Project: 22046
Buggy source:
/** 
 * Create serialized representation for BearerData object. (See 3GPP2 C.R1001-F, v1.0, section 4.5 for layout details)
 * @param bearerData an instance of BearerData.
 * @return data byta array of raw encoded SMS bearer data.
 */
public static byte[] encode(BearerData bData){
  bData.hasUserDataHeader=((bData.userData != null) && (bData.userData.userDataHeader != null));
  try {
    BitwiseOutputStream outStream=new BitwiseOutputStream(200);
    outStream.write(8,SUBPARAM_MESSAGE_IDENTIFIER);
    encodeMessageId(bData,outStream);
    if (bData.userData != null) {
      outStream.write(8,SUBPARAM_USER_DATA);
      encodeUserData(bData,outStream);
    }
    if (bData.callbackNumber != null) {
      outStream.write(8,SUBPARAM_CALLBACK_NUMBER);
      encodeCallbackNumber(bData,outStream);
    }
    if (bData.userAckReq || bData.deliveryAckReq || bData.readAckReq|| bData.reportReq) {
      outStream.write(8,SUBPARAM_REPLY_OPTION);
      encodeReplyOption(bData,outStream);
    }
    if (bData.numberOfMessages != 0) {
      outStream.write(8,SUBPARAM_NUMBER_OF_MESSAGES);
      encodeMsgCount(bData,outStream);
    }
    if (bData.validityPeriodRelativeSet) {
      outStream.write(8,SUBPARAM_VALIDITY_PERIOD_RELATIVE);
      encodeValidityPeriodRel(bData,outStream);
    }
    if (bData.privacyIndicatorSet) {
      outStream.write(8,SUBPARAM_PRIVACY_INDICATOR);
      encodePrivacyIndicator(bData,outStream);
    }
    if (bData.languageIndicatorSet) {
      outStream.write(8,SUBPARAM_LANGUAGE_INDICATOR);
      encodeLanguageIndicator(bData,outStream);
    }
    if (bData.displayModeSet) {
      outStream.write(8,SUBPARAM_MESSAGE_DISPLAY_MODE);
      encodeDisplayMode(bData,outStream);
    }
    if (bData.priorityIndicatorSet) {
      outStream.write(8,SUBPARAM_PRIORITY_INDICATOR);
      encodePriorityIndicator(bData,outStream);
    }
    if (bData.alertIndicatorSet) {
      outStream.write(8,SUBPARAM_ALERT_ON_MESSAGE_DELIVERY);
      encodeMsgDeliveryAlert(bData,outStream);
    }
    if (bData.messageStatusSet) {
      outStream.write(8,SUBPARAM_MESSAGE_STATUS);
      encodeMsgStatus(bData,outStream);
    }
    return outStream.toByteArray();
  }
 catch (  BitwiseOutputStream.AccessException ex) {
    Log.e(LOG_TAG,"String_Node_Str" + ex);
  }
catch (  CodingException ex) {
    Log.e(LOG_TAG,"String_Node_Str" + ex);
  }
  return null;
}

Fixed version (ground truth):
/** 
 * Create serialized representation for BearerData object. (See 3GPP2 C.R1001-F, v1.0, section 4.5 for layout details)
 * @param bData an instance of BearerData.
 * @return byte array of raw encoded SMS bearer data.
 */
public static byte[] encode(BearerData bData){
  bData.hasUserDataHeader=((bData.userData != null) && (bData.userData.userDataHeader != null));
  try {
    BitwiseOutputStream outStream=new BitwiseOutputStream(200);
    outStream.write(8,SUBPARAM_MESSAGE_IDENTIFIER);
    encodeMessageId(bData,outStream);
    if (bData.userData != null) {
      outStream.write(8,SUBPARAM_USER_DATA);
      encodeUserData(bData,outStream);
    }
    if (bData.callbackNumber != null) {
      outStream.write(8,SUBPARAM_CALLBACK_NUMBER);
      encodeCallbackNumber(bData,outStream);
    }
    if (bData.userAckReq || bData.deliveryAckReq || bData.readAckReq|| bData.reportReq) {
      outStream.write(8,SUBPARAM_REPLY_OPTION);
      encodeReplyOption(bData,outStream);
    }
    if (bData.numberOfMessages != 0) {
      outStream.write(8,SUBPARAM_NUMBER_OF_MESSAGES);
      encodeMsgCount(bData,outStream);
    }
    if (bData.validityPeriodRelativeSet) {
      outStream.write(8,SUBPARAM_VALIDITY_PERIOD_RELATIVE);
      encodeValidityPeriodRel(bData,outStream);
    }
    if (bData.privacyIndicatorSet) {
      outStream.write(8,SUBPARAM_PRIVACY_INDICATOR);
      encodePrivacyIndicator(bData,outStream);
    }
    if (bData.languageIndicatorSet) {
      outStream.write(8,SUBPARAM_LANGUAGE_INDICATOR);
      encodeLanguageIndicator(bData,outStream);
    }
    if (bData.displayModeSet) {
      outStream.write(8,SUBPARAM_MESSAGE_DISPLAY_MODE);
      encodeDisplayMode(bData,outStream);
    }
    if (bData.priorityIndicatorSet) {
      outStream.write(8,SUBPARAM_PRIORITY_INDICATOR);
      encodePriorityIndicator(bData,outStream);
    }
    if (bData.alertIndicatorSet) {
      outStream.write(8,SUBPARAM_ALERT_ON_MESSAGE_DELIVERY);
      encodeMsgDeliveryAlert(bData,outStream);
    }
    if (bData.messageStatusSet) {
      outStream.write(8,SUBPARAM_MESSAGE_STATUS);
      encodeMsgStatus(bData,outStream);
    }
    return outStream.toByteArray();
  }
 catch (  BitwiseOutputStream.AccessException ex) {
    Log.e(LOG_TAG,"String_Node_Str" + ex);
  }
catch (  CodingException ex) {
    Log.e(LOG_TAG,"String_Node_Str" + ex);
  }
  return null;
}