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malloc-fail: Fix null deref in xmlSchemaInitTypes

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Found with libFuzzer, see #344.
This commit is contained in:
Nick Wellnhofer 2023-03-05 14:07:57 +01:00
parent cfbc1f48ee
commit 112340c6c0
1 changed files with 4 additions and 0 deletions
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4
xmlschemastypes.c
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@ -404,6 +404,10 @@ xmlSchemaInitTypes(void)
xmlSchemaTypeAnyTypeDef = xmlSchemaInitBasicType("anyType",
XML_SCHEMAS_ANYTYPE,
NULL);
if (xmlSchemaTypeAnyTypeDef == NULL) {
xmlSchemaTypeErrMemory(NULL, NULL);
return;
}
xmlSchemaTypeAnyTypeDef->baseType = xmlSchemaTypeAnyTypeDef;
xmlSchemaTypeAnyTypeDef->contentType = XML_SCHEMA_CONTENT_MIXED;
/*