is_path_accessible(int xid, struct cifsTconInfo *tcon,
		   struct cifs_sb_info *cifs_sb, const char *full_path)
{
	int rc;
	FILE_ALL_INFO *pfile_info;

	pfile_info = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
	if (pfile_info == NULL)
		return -ENOMEM;

	rc = CIFSSMBQPathInfo(xid, tcon, full_path, pfile_info,
			      0 /* not legacy */, cifs_sb->local_nls,
			      cifs_sb->mnt_cifs_flags &
				CIFS_MOUNT_MAP_SPECIAL_CHR);
	kfree(pfile_info);
	return rc;
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.