Program: 110407
Project: 110407
Buggy source:
private boolean synchronize(ExtractorInput input,boolean sniffing) throws IOException, InterruptedException {
  int searched=0;
  int validFrameCount=0;
  int candidateSynchronizedHeaderData=0;
  int peekedId3Bytes=0;
  input.resetPeekPosition();
  if (input.getPosition() == 0) {
    gaplessInfo=Id3Util.parseId3(input);
    peekedId3Bytes=(int)input.getPeekPosition();
  }
  while (true) {
    if (sniffing && searched == MAX_SNIFF_BYTES) {
      return false;
    }
    if (!sniffing && searched == MAX_SYNC_BYTES) {
      throw new ParserException("String_Node_Str");
    }
    if (!input.peekFully(scratch.data,0,4,true)) {
      return false;
    }
    scratch.setPosition(0);
    int headerData=scratch.readInt();
    int frameSize;
    if ((candidateSynchronizedHeaderData != 0 && (headerData & HEADER_MASK) != (candidateSynchronizedHeaderData & HEADER_MASK)) || (frameSize=MpegAudioHeader.getFrameSize(headerData)) == -1) {
      validFrameCount=0;
      candidateSynchronizedHeaderData=0;
      searched++;
      if (sniffing) {
        input.resetPeekPosition();
        input.advancePeekPosition(peekedId3Bytes + searched);
      }
 else {
        input.skipFully(1);
      }
    }
 else {
      validFrameCount++;
      if (validFrameCount == 1) {
        MpegAudioHeader.populateHeader(headerData,synchronizedHeader);
        candidateSynchronizedHeaderData=headerData;
      }
 else       if (validFrameCount == 4) {
        break;
      }
      input.advancePeekPosition(frameSize - 4);
    }
  }
  if (sniffing) {
    input.skipFully(peekedId3Bytes + searched);
  }
 else {
    input.resetPeekPosition();
  }
  synchronizedHeaderData=candidateSynchronizedHeaderData;
  return true;
}

Fixed version (ground truth):
private boolean synchronize(ExtractorInput input,boolean sniffing) throws IOException, InterruptedException {
  int searched=0;
  int validFrameCount=0;
  int candidateSynchronizedHeaderData=0;
  int peekedId3Bytes=0;
  input.resetPeekPosition();
  if (input.getPosition() == 0) {
    gaplessInfo=Id3Util.parseId3(input);
    peekedId3Bytes=(int)input.getPeekPosition();
    if (!sniffing) {
      input.skipFully(peekedId3Bytes);
    }
  }
  while (true) {
    if (sniffing && searched == MAX_SNIFF_BYTES) {
      return false;
    }
    if (!sniffing && searched == MAX_SYNC_BYTES) {
      throw new ParserException("String_Node_Str");
    }
    if (!input.peekFully(scratch.data,0,4,true)) {
      return false;
    }
    scratch.setPosition(0);
    int headerData=scratch.readInt();
    int frameSize;
    if ((candidateSynchronizedHeaderData != 0 && (headerData & HEADER_MASK) != (candidateSynchronizedHeaderData & HEADER_MASK)) || (frameSize=MpegAudioHeader.getFrameSize(headerData)) == -1) {
      validFrameCount=0;
      candidateSynchronizedHeaderData=0;
      searched++;
      if (sniffing) {
        input.resetPeekPosition();
        input.advancePeekPosition(peekedId3Bytes + searched);
      }
 else {
        input.skipFully(1);
      }
    }
 else {
      validFrameCount++;
      if (validFrameCount == 1) {
        MpegAudioHeader.populateHeader(headerData,synchronizedHeader);
        candidateSynchronizedHeaderData=headerData;
      }
 else       if (validFrameCount == 4) {
        break;
      }
      input.advancePeekPosition(frameSize - 4);
    }
  }
  if (sniffing) {
    input.skipFully(peekedId3Bytes + searched);
  }
 else {
    input.resetPeekPosition();
  }
  synchronizedHeaderData=candidateSynchronizedHeaderData;
  return true;
}