rem: status = user_strncpy(toPath, userToPath, SYS_MAX_PATH_LEN);
add: status = user_strncpy(toPath, userToPath, SYS_MAX_PATH_LEN - 1);
context: user_write_link(const char *userPath, const char *userToPath){	char path[SYS_MAX_PATH_LEN + 1];	char toPath[SYS_MAX_PATH_LEN + 1];	int status;		if (!CHECK_USER_ADDRESS(userPath)		|| !CHECK_USER_ADDRESS(userToPath))		return B_BAD_ADDRESS;	status = user_strncpy(path, userPath, SYS_MAX_PATH_LEN);	if (status < 0)		return status;	path[SYS_MAX_PATH_LEN] = '\0';	status = user_strncpy(toPath, userToPath, SYS_MAX_PATH_LEN);	if (status < 0)		return status;	toPath[SYS_MAX_PATH_LEN] = '\0';	status = check_path(toPath);	if (status < B_OK)		return status;	return common_write_link(path, toPath, false);}