Program: 21710
Project: 21710
Buggy source:
/** 
 * Send a multi-part text based SMS which already passed SMS control check. It is the working function for sendMultipartText().
 * @param destinationAddress the address to send the message to
 * @param scAddress is the service center address or null to usethe current default SMSC
 * @param parts an <code>ArrayList</code> of strings that, in order,comprise the original message
 * @param sentIntents if not null, an <code>ArrayList</code> of<code>PendingIntent</code>s (one for each message part) that is broadcast when the corresponding message part has been sent. The result code will be <code>Activity.RESULT_OK<code> for success, or one of these errors: <code>RESULT_ERROR_GENERIC_FAILURE</code> <code>RESULT_ERROR_RADIO_OFF</code> <code>RESULT_ERROR_NULL_PDU</code>.
 * @param deliveryIntents if not null, an <code>ArrayList</code> of<code>PendingIntent</code>s (one for each message part) that is broadcast when the corresponding message part has been delivered to the recipient.  The raw pdu of the status report is in the extended data ("pdu").
 */
private void sendMultipartTextWithPermit(String destinationAddress,String scAddress,ArrayList<String> parts,ArrayList<PendingIntent> sentIntents,ArrayList<PendingIntent> deliveryIntents){
  int ss=mPhone.getServiceState().getState();
  if (ss != ServiceState.STATE_IN_SERVICE) {
    for (int i=0, count=parts.size(); i < count; i++) {
      PendingIntent sentIntent=null;
      if (sentIntents != null && sentIntents.size() > i) {
        sentIntent=sentIntents.get(i);
      }
      SmsTracker tracker=SmsTrackerFactory(null,sentIntent,null);
      handleNotInService(ss,tracker);
    }
    return;
  }
  int refNumber=getNextConcatenatedRef() & 0x00FF;
  int msgCount=parts.size();
  int encoding=android.telephony.SmsMessage.ENCODING_UNKNOWN;
  for (int i=0; i < msgCount; i++) {
    TextEncodingDetails details=SmsMessage.calculateLength(parts.get(i),false);
    if (encoding != details.codeUnitSize && (encoding == android.telephony.SmsMessage.ENCODING_UNKNOWN || encoding == android.telephony.SmsMessage.ENCODING_7BIT)) {
      encoding=details.codeUnitSize;
    }
  }
  for (int i=0; i < msgCount; i++) {
    SmsHeader.ConcatRef concatRef=new SmsHeader.ConcatRef();
    concatRef.refNumber=refNumber;
    concatRef.seqNumber=i + 1;
    concatRef.msgCount=msgCount;
    concatRef.isEightBits=false;
    SmsHeader smsHeader=new SmsHeader();
    smsHeader.concatRef=concatRef;
    PendingIntent sentIntent=null;
    if (sentIntents != null && sentIntents.size() > i) {
      sentIntent=sentIntents.get(i);
    }
    PendingIntent deliveryIntent=null;
    if (deliveryIntents != null && deliveryIntents.size() > i) {
      deliveryIntent=deliveryIntents.get(i);
    }
    SmsMessage.SubmitPdu pdus=SmsMessage.getSubmitPdu(scAddress,destinationAddress,parts.get(i),deliveryIntent != null,SmsHeader.toByteArray(smsHeader),encoding);
    HashMap<String,Object> map=new HashMap<String,Object>();
    map.put("String_Node_Str",pdus.encodedScAddress);
    map.put("String_Node_Str",pdus.encodedMessage);
    SmsTracker tracker=SmsTrackerFactory(map,sentIntent,deliveryIntent);
    sendSms(tracker);
  }
}

Fixed version (ground truth):
/** 
 * Send a multi-part text based SMS which already passed SMS control check. It is the working function for sendMultipartText().
 * @param destinationAddress the address to send the message to
 * @param scAddress is the service center address or null to usethe current default SMSC
 * @param parts an <code>ArrayList</code> of strings that, in order,comprise the original message
 * @param sentIntents if not null, an <code>ArrayList</code> of<code>PendingIntent</code>s (one for each message part) that is broadcast when the corresponding message part has been sent. The result code will be <code>Activity.RESULT_OK<code> for success, or one of these errors: <code>RESULT_ERROR_GENERIC_FAILURE</code> <code>RESULT_ERROR_RADIO_OFF</code> <code>RESULT_ERROR_NULL_PDU</code>.
 * @param deliveryIntents if not null, an <code>ArrayList</code> of<code>PendingIntent</code>s (one for each message part) that is broadcast when the corresponding message part has been delivered to the recipient.  The raw pdu of the status report is in the extended data ("pdu").
 */
private void sendMultipartTextWithPermit(String destinationAddress,String scAddress,ArrayList<String> parts,ArrayList<PendingIntent> sentIntents,ArrayList<PendingIntent> deliveryIntents){
  int ss=mPhone.getServiceState().getState();
  if (ss != ServiceState.STATE_IN_SERVICE) {
    for (int i=0, count=parts.size(); i < count; i++) {
      PendingIntent sentIntent=null;
      if (sentIntents != null && sentIntents.size() > i) {
        sentIntent=sentIntents.get(i);
      }
      SmsTracker tracker=SmsTrackerFactory(null,sentIntent,null);
      handleNotInService(ss,tracker);
    }
    return;
  }
  int refNumber=getNextConcatenatedRef() & 0x00FF;
  int msgCount=parts.size();
  int encoding=android.telephony.SmsMessage.ENCODING_UNKNOWN;
  mRemainingMessages=msgCount;
  for (int i=0; i < msgCount; i++) {
    TextEncodingDetails details=SmsMessage.calculateLength(parts.get(i),false);
    if (encoding != details.codeUnitSize && (encoding == android.telephony.SmsMessage.ENCODING_UNKNOWN || encoding == android.telephony.SmsMessage.ENCODING_7BIT)) {
      encoding=details.codeUnitSize;
    }
  }
  for (int i=0; i < msgCount; i++) {
    SmsHeader.ConcatRef concatRef=new SmsHeader.ConcatRef();
    concatRef.refNumber=refNumber;
    concatRef.seqNumber=i + 1;
    concatRef.msgCount=msgCount;
    concatRef.isEightBits=false;
    SmsHeader smsHeader=new SmsHeader();
    smsHeader.concatRef=concatRef;
    PendingIntent sentIntent=null;
    if (sentIntents != null && sentIntents.size() > i) {
      sentIntent=sentIntents.get(i);
    }
    PendingIntent deliveryIntent=null;
    if (deliveryIntents != null && deliveryIntents.size() > i) {
      deliveryIntent=deliveryIntents.get(i);
    }
    SmsMessage.SubmitPdu pdus=SmsMessage.getSubmitPdu(scAddress,destinationAddress,parts.get(i),deliveryIntent != null,SmsHeader.toByteArray(smsHeader),encoding);
    HashMap<String,Object> map=new HashMap<String,Object>();
    map.put("String_Node_Str",pdus.encodedScAddress);
    map.put("String_Node_Str",pdus.encodedMessage);
    SmsTracker tracker=SmsTrackerFactory(map,sentIntent,deliveryIntent);
    sendSms(tracker);
  }
}