multiply by element size

genreport.c

@@ -804,7 +804,7 @@ heap_grow(struct itemheap *heap) {
 	size_t new_size;
 
 	new_size = heap->size += 1024;
-	new_array = realloc(heap->array, new_size);
+	new_array = realloc(heap->array, new_size * sizeof(*heap->array));
 	if (new_array == NULL) {
 		perror("realloc");
 		exit(1);