diff --git a/fs/udf/directory.c b/fs/udf/directory.c
index 7aa48bd..a636b3b 100644
--- a/fs/udf/directory.c
+++ b/fs/udf/directory.c
@@ -151,6 +151,9 @@
 			       sizeof(struct fileIdentDesc));
 		}
 	}
+	/* Got last entry outside of dir size - fs is corrupted! */
+	if (*nf_pos > dir->i_size)
+		return NULL;
 	return fi;
 }