#vulnerable code 
                             @Override
	protected void init() {
		super.init();
		currentAddress = stringsStartAddress;
		full = false;
		currentIndex = INDEX_NOT_YET_USED;
		currentBlockIndex = INDEX_NOT_YET_USED;
		directMemoryService.setMemory(inUseBlockAddress, inUseBlockCount, (byte)0);
	} 
                            #location 7 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                             @Override
	protected void init() {
		super.init();
		currentAddress = stringsStartAddress;
		full = false;
		currentSegmentIndex = INDEX_NOT_YET_USED;
		currentSegmentBlockIndex = INDEX_NOT_YET_USED;
		directMemoryService.setMemory(inUseBlockAddress, inUseBlockCount, (byte)0);
	}