diff --git a/expat/parse_fuzzer.options b/expat/parse_fuzzer.options
new file mode 100644
index 000000000..6335e163b
--- /dev/null
+++ b/expat/parse_fuzzer.options
@@ -0,0 +1,2 @@
+[libfuzzer]
+dict = xml.dict
diff --git a/expat/xml.dict b/expat/xml.dict
new file mode 100644
index 000000000..8449cb086
--- /dev/null
+++ b/expat/xml.dict
@@ -0,0 +1,125 @@
+#
+# AFL dictionary for XML
+# ----------------------
+#
+# Several basic syntax elements and attributes, modeled on libxml2.
+#
+# Created by Michal Zalewski <lcamtuf@google.com>
+#
+
+attr_encoding=" encoding=\"1\""
+attr_generic=" a=\"1\""
+attr_href=" href=\"1\""
+attr_standalone=" standalone=\"no\""
+attr_version=" version=\"1\""
+attr_xml_base=" xml:base=\"1\""
+attr_xml_id=" xml:id=\"1\""
+attr_xml_lang=" xml:lang=\"1\""
+attr_xml_space=" xml:space=\"1\""
+attr_xmlns=" xmlns=\"1\""
+
+entity_builtin="&lt;"
+entity_decimal="&#1;"
+entity_external="&a;"
+entity_hex="&#x1;"
+
+# keywords
+"ANY"
+"ATTLIST"
+"CDATA"
+"DOCTYPE"
+"ELEMENT"
+"EMPTY"
+"ENTITIES"
+"ENTITY"
+"FIXED"
+"ID"
+"IDREF"
+"IDREFS"
+"IGNORE"
+"IMPLIED"
+"INCLUDE"
+"NDATA"
+"NMTOKEN"
+"NMTOKENS"
+"NOTATION"
+"PCDATA"
+"PUBLIC"
+"REQUIRED"
+"SYSTEM"
+
+# Various tag parts
+"<"
+">"
+"/>"
+"</"
+"<?"
+"?>"
+"<!"
+"!>"
+"[]"
+"]]"
+"<![CDATA["
+"<![CDATA[]]>"
+"\"\""
+"''"
+"=\"\""
+"=''"
+
+# DTD
+"<!ATTLIST"
+"<!DOCTYPE"
+"<!ELEMENT"
+"<!ENTITY"
+"<![IGNORE["
+"<![INCLUDE["
+"<!NOTATION"
+"#CDATA"
+"#FIXED"
+"#IMPLIED"
+"#PCDATA"
+"#REQUIRED"
+
+# Encodings
+"ISO-8859-1"
+"US-ASCII"
+"UTF-8"
+"UTF-16"
+"UTF-16BE"
+"UTF-16LE"
+
+# Namespaces and schemas
+"xmlns"
+"xmlns:"
+"xmlns:xhtml=\"http://www.w3.org/1999/xhtml\""
+"xmlns:xml=\"http://www.w3.org/XML/1998/namespace\""
+"xmlns:xmlns=\"http://www.w3.org/2000/xmlns\""
+
+string_col_fallback=":fallback"
+string_col_generic=":a"
+string_col_include=":include"
+string_dashes="--"
+string_parentheses="()"
+string_percent="%a"
+string_schema=":schema"
+string_ucs4="UCS-4"
+tag_close="</a>"
+tag_open="<a>"
+tag_open_close="<a />"
+
+
+"<?xml?>"
+"http://docboo"
+"http://www.w"
+"he30"
+"he2"
+"IET"
+"FDF-10"
+"aDUCS-4OPveb:"
+"a>"
+"UT"
+"xMl"
+"/usr/share/sg"
+"ha07"
+"http://www.oa"
+"cle"