commit 717421569bd8217a441ed10690a8f92cd6968d56
Author: Tomas Korbar <tkorbar@redhat.com>
Date:   Mon Oct 3 13:10:23 2022 +0200

    Fix CVE-2022-40674

diff --git a/lib/xmlparse.c b/lib/xmlparse.c
index 989ab8c..4ce7209 100644
--- a/lib/xmlparse.c
+++ b/lib/xmlparse.c
@@ -5221,8 +5221,14 @@ internalEntityProcessor(XML_Parser parser,
   {
     processor = contentProcessor;
     /* see externalEntityContentProcessor vs contentProcessor */
-    return doContent(parser, parentParser ? 1 : 0, encoding, s, end,
-                     nextPtr, (XML_Bool)!ps_finalBuffer);
+    result = doContent(parser, parser->m_parentParser ? 1 : 0, parser->m_encoding,
+                      s, end, nextPtr,
+                      (XML_Bool)! parser->m_parsingStatus.finalBuffer);
+    if (result == XML_ERROR_NONE) {
+      if (! storeRawNames(parser))
+        return XML_ERROR_NO_MEMORY;
+    }
+    return result;
   }
 }
 
diff --git a/tests/runtests.c b/tests/runtests.c
index c01f096..b83b47e 100644
--- a/tests/runtests.c
+++ b/tests/runtests.c
@@ -1650,6 +1650,77 @@ START_TEST(test_utf8_in_start_tags) {
 }
 END_TEST
 
+void
+suspending_comment_handler(void *userData, const XML_Char *UNUSED_P(data)) {
+  XML_Parser parser = (XML_Parser)userData;
+  XML_StopParser(parser, XML_TRUE);
+}
+
+START_TEST(test_suspend_resume_internal_entity_issue_629) {
+  const char *const text
+      = "<!DOCTYPE a [<!ENTITY e '<!--COMMENT-->a'>]><a>&e;<b>\n"
+        "<"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+        "/>"
+        "</b></a>";
+  const size_t firstChunkSizeBytes = 54;
+
+  XML_Parser parser = XML_ParserCreate(NULL);
+  XML_SetUserData(parser, parser);
+  XML_SetCommentHandler(parser, suspending_comment_handler);
+
+  if (XML_Parse(parser, text, (int)firstChunkSizeBytes, XML_FALSE)
+      != XML_STATUS_SUSPENDED)
+    xml_failure(parser);
+  if (XML_ResumeParser(parser) != XML_STATUS_OK)
+    xml_failure(parser);
+  if (XML_Parse(parser, text + firstChunkSizeBytes,
+                (int)(strlen(text) - firstChunkSizeBytes), XML_TRUE)
+      != XML_STATUS_OK)
+    xml_failure(parser);
+  XML_ParserFree(parser);
+}
+END_TEST
+
 static Suite *
 make_suite(void)
 {
@@ -1705,6 +1776,7 @@ make_suite(void)
     tcase_add_test(tc_basic, test_suspend_parser_between_char_data_calls);
     tcase_add_test(tc_basic, test_utf8_in_start_tags);
     tcase_add_test(tc_basic, test_bad_doctype_utf8);
+    tcase_add_test(tc_basic, test_suspend_resume_internal_entity_issue_629);
 
     suite_add_tcase(s, tc_namespace);
     tcase_add_checked_fixture(tc_namespace,