fix bug #47220 (segfault in dom_document_parser in recovery mode)

diff --git a/ext/dom/document.c b/ext/dom/document.c
index 686506ffd35b370bfbac13b34485d2effc8a6ec9..df5e1d400dc931dd065d869e2fb584be0b8ffddb 100644 (file)
--- a/ext/dom/document.c
+++ b/ext/dom/document.c
@@ -1627,7 +1627,7 @@ static xmlDocPtr dom_document_parser(zval *id, int mode, char *source, int optio
                        EG(error_reporting) = old_error_reporting;
                }
                /* If loading from memory, set the base reference uri for the document */
-               if (ret->URL == NULL && ctxt->directory != NULL) {
+               if (ret && ret->URL == NULL && ctxt->directory != NULL) {
                        ret->URL = xmlStrdup(ctxt->directory);
                }
        } else {