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Fix uninitialized memory accesses in DOM iterator

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This commit is contained in:
Niels Dossche
2025-03-08 11:12:24 +01:00
parent fc09eb21db
commit 2634622d3d
1 changed files with 2 additions and 4 deletions
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6
ext/dom/dom_iterators.c
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@@ -278,15 +278,13 @@ zend_object_iterator *php_dom_get_iterator(zend_class_entry *ce, zval *object, i
zend_throw_error(NULL, "An iterator cannot be used with foreach by reference");
return NULL;
}
iterator = emalloc(sizeof(php_dom_iterator));
iterator = emalloc(sizeof(*iterator));
memset(iterator, 0, sizeof(*iterator));
zend_iterator_init(&iterator->intern);
iterator->cache_tag.modification_nr = 0;
ZVAL_OBJ_COPY(&iterator->intern.data, Z_OBJ_P(object));
iterator->intern.funcs = &php_dom_iterator_funcs;
ZVAL_UNDEF(&iterator->curobj);
intern = Z_DOMOBJ_P(object);
objmap = (dom_nnodemap_object *)intern->ptr;
if (objmap != NULL) {