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Fix potential NULL pointer argument to memcpy (#13859)

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This is only possible when the length is 0, but memcpy doesn't like NULL
pointers, as UBSAN trips over it.
This commit is contained in:
Niels Dossche
2024-04-01 22:47:38 +02:00
committed by GitHub
parent eb1cdb5b72
commit ce2dd0b20b
1 changed files with 3 additions and 1 deletions
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4
ext/dom/html5_parser.c
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@@ -86,7 +86,9 @@ static xmlNodePtr lexbor_libxml2_bridge_new_text_node_fast(xmlDocPtr lxml_doc, c
lxml_text->type = XML_TEXT_NODE;
lxml_text->doc = lxml_doc;
lxml_text->content = BAD_CAST &lxml_text->properties;
memcpy(lxml_text->content, data, data_length);
if (data != NULL) {
memcpy(lxml_text->content, data, data_length);
}
return lxml_text;
} else {
return xmlNewDocTextLen(lxml_doc, (const xmlChar *) data, data_length);