Fix memory leak in error path of zend_register_list_destructors_ex

nielsdos · nielsdos · commit 3bf5d89efb0f · 2023-10-29T21:47:07.000+01:00
diff --git a/Zend/zend_list.c b/Zend/zend_list.c
@@ -275,6 +275,7 @@ ZEND_API int zend_register_list_destructors_ex(rsrc_dtor_func_t ld, rsrc_dtor_fu
 	ZVAL_PTR(&zv, lde);
 
 	if (zend_hash_next_index_insert(&list_destructors, &zv) == NULL) {
+		free(lde);
 		return FAILURE;
 	}
 	return list_destructors.nNextFreeElement-1;

Original file line number	Diff line number	Diff line change
`@@ -275,6 +275,7 @@ ZEND_API int zend_register_list_destructors_ex(rsrc_dtor_func_t ld, rsrc_dtor_fu`
`275`	`275`	`ZVAL_PTR(&zv, lde);`
`276`	`276`
`277`	`277`	`if (zend_hash_next_index_insert(&list_destructors, &zv) == NULL) {`
	`278`	`+ free(lde);`
`278`	`279`	`return FAILURE;`
`279`	`280`	`}`
`280`	`281`	`return list_destructors.nNextFreeElement-1;`