--- /root/vfs_catia.c	2017-11-02 12:38:36.000000000 +0100
+++ work/samba-4.7.10/source3/modules/vfs_catia.c	2018-11-09 14:26:47.326914000 +0100
@@ -2425,21 +2425,29 @@
 		errno = map_errno_from_nt_status(status);
 		return status;
 	}
-	mapped_smb_fname = synthetic_smb_fname(talloc_tos(),
-					mapped_name,
-					NULL,
-					NULL,
-					smb_fname->flags);
-	if (mapped_smb_fname == NULL) {
-		TALLOC_FREE(mapped_name);
-		return NT_STATUS_NO_MEMORY;
+	bool sameName = strcmp(mapped_name, path) == 0;
+	if (sameName) {
+	  TALLOC_FREE(mapped_name);
+	  mapped_smb_fname = smb_fname;
+	} else {
+	  mapped_smb_fname = synthetic_smb_fname(talloc_tos(),
+						 mapped_name,
+						 NULL,
+						 NULL,
+						 smb_fname->flags);
+	  if (mapped_smb_fname == NULL) {
+	    TALLOC_FREE(mapped_name);
+	    return NT_STATUS_NO_MEMORY;
+	  }
 	}
 
 	status = SMB_VFS_NEXT_GET_DOS_ATTRIBUTES(handle,
 						 mapped_smb_fname,
 						 dosmode);
-	TALLOC_FREE(mapped_name);
-	TALLOC_FREE(mapped_smb_fname);
+	if(!sameName) {
+	  TALLOC_FREE(mapped_name);
+	  TALLOC_FREE(mapped_smb_fname);
+	}
 
 	return status;
 }