Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
139	0	EP	call site: 00000	werkzeug.formparser.MultiPartParser.parse

Fuzzer calltree


         ...fuzz_werkzeug_formparser.TestOneInput

[function] [call site] 00000


           werkzeug.formparser.FormDataParser.__init__

[function] [call site] 00001


             typing.cast

[function] [call site] 00002


           io.BytesIO

[function] [call site] 00003


           werkzeug.formparser.FormDataParser.parse

[function] [call site] 00004


             werkzeug.formparser.FormDataParser._parse_multipart

[function] [call site] 00005


               options.get

[function] [call site] 00006


               werkzeug.formparser.MultiPartParser.__init__

[function] [call site] 00007


                 typing.cast

[function] [call site] 00008


               parser.parse

[function] [call site] 00009


             werkzeug.formparser.FormDataParser._parse_urlencoded

[function] [call site] 00010


               urllib.parse.parse_qsl

[function] [call site] 00011


               stream.read

[function] [call site] 00012


           io.BytesIO

[function] [call site] 00013


           werkzeug.formparser.FormDataParser.parse

[function] [call site] 00014


           io.BytesIO

[function] [call site] 00015


           werkzeug.formparser.FormDataParser.parse

[function] [call site] 00016


           <builtin>.len

[function] [call site] 00017


           werkzeug.formparser.MultiPartParser.__init__

[function] [call site] 00018


           io.BytesIO

[function] [call site] 00019


           <builtin>.len

[function] [call site] 00020


           werkzeug.formparser.MultiPartParser.parse

[function] [call site] 00021


             werkzeug.sansio.multipart.MultipartDecoder.__init__

[function] [call site] 00022


               <builtin>.bytearray

[function] [call site] 00023


               re.compile

[function] [call site] 00024


               re.escape

[function] [call site] 00025


               re.compile

[function] [call site] 00026


               re.escape

[function] [call site] 00027


             werkzeug.formparser._chunk_iter

[function] [call site] 00028


             werkzeug.sansio.multipart.MultipartDecoder.receive_data

[function] [call site] 00029


               <builtin>.len

[function] [call site] 00030


               <builtin>.len

[function] [call site] 00031


             werkzeug.sansio.multipart.MultipartDecoder.next_event

[function] [call site] 00032


               match.group

[function] [call site] 00033


               match.start

[function] [call site] 00034


               <builtin>.bytes

[function] [call site] 00035


               match.end

[function] [call site] 00036


               <builtin>.max

[function] [call site] 00037


               <builtin>.len

[function] [call site] 00038


               <builtin>.len

[function] [call site] 00039


               BLANK_LINE_RE.search

[function] [call site] 00040


               match.start

[function] [call site] 00041


               werkzeug.sansio.multipart.MultipartDecoder._parse_headers

[function] [call site] 00042


                 HEADER_CONTINUATION_RE.sub

[function] [call site] 00043


                 data.splitlines

[function] [call site] 00044


                 line.strip

[function] [call site] 00045


                 line.decode

[function] [call site] 00046


                 name.strip

[function] [call site] 00047


                 value.strip

[function] [call site] 00048


                 headers.append

[function] [call site] 00049


               match.start

[function] [call site] 00050


               match.end

[function] [call site] 00051


               werkzeug.http.parse_options_header

[function] [call site] 00052


                 value.partition

[function] [call site] 00053


                 value.strip

[function] [call site] 00054


                 rest.strip

[function] [call site] 00055


                 _parameter_key_re.match

[function] [call site] 00056


                 m.group

[function] [call site] 00057


                 m.end

[function] [call site] 00058


                 _parameter_token_value_re.match

[function] [call site] 00059


                 m.group

[function] [call site] 00060


                 parts.append

[function] [call site] 00061


                 <builtin>.len

[function] [call site] 00062


                 parts.append

[function] [call site] 00063


                 rest.find

[function] [call site] 00064


                 _charset_value_re.match

[function] [call site] 00065


                 match.groups

[function] [call site] 00066


                 encoding.lower

[function] [call site] 00067


                 urllib.parse.unquote

[function] [call site] 00068


                 _continuation_re.search

[function] [call site] 00069


                 match.start

[function] [call site] 00070


                 options.get

[function] [call site] 00071


               extra.get

[function] [call site] 00072


               typing.cast

[function] [call site] 00073


               extra.get

[function] [call site] 00074


               <builtin>.len

[function] [call site] 00075


               <builtin>.max

[function] [call site] 00076


               werkzeug.sansio.multipart.MultipartDecoder._parse_data

[function] [call site] 00077


                 LINE_BREAK_RE.match

[function] [call site] 00078


                 typing.cast

[function] [call site] 00079


                 werkzeug.sansio.multipart.MultipartDecoder._last_partial_boundary_index

[function] [call site] 00080


                   <builtin>.len

[function] [call site] 00081


                   <builtin>.len

[function] [call site] 00082


                   data.rindex

[function] [call site] 00083


                   <builtin>.len

[function] [call site] 00084


                   <builtin>.len

[function] [call site] 00085


                   data.rindex

[function] [call site] 00086


                   <builtin>.len

[function] [call site] 00087


                   <builtin>.len

[function] [call site] 00088


                   <builtin>.min

[function] [call site] 00089


                 match.group

[function] [call site] 00090


                 match.start

[function] [call site] 00091


                 match.end

[function] [call site] 00092


                 werkzeug.sansio.multipart.MultipartDecoder._last_partial_boundary_index

[function] [call site] 00093


                 <builtin>.bytes

[function] [call site] 00094


               werkzeug.sansio.multipart.MultipartDecoder._parse_data

[function] [call site] 00095


               <builtin>.bytes

[function] [call site] 00096


               <builtin>.isinstance

[function] [call site] 00097


             <builtin>.isinstance

[function] [call site] 00098


             <builtin>.isinstance

[function] [call site] 00099


             <builtin>.isinstance

[function] [call site] 00100


             werkzeug.formparser.MultiPartParser.start_file_streaming

[function] [call site] 00101


               event.headers.get

[function] [call site] 00102


               werkzeug._internal._plain_int

[function] [call site] 00103


                 value.strip

[function] [call site] 00104


                 _plain_int_re.fullmatch

[function] [call site] 00105


                 <builtin>.int

[function] [call site] 00106


               werkzeug.formparser.default_stream_factory

[function] [call site] 00107


                 tempfile.SpooledTemporaryFile

[function] [call site] 00108


             <builtin>.isinstance

[function] [call site] 00109


             <builtin>.len

[function] [call site] 00110


             tempfile.SpooledTemporaryFile.append

[function] [call site] 00111


             tempfile.SpooledTemporaryFile.write

[function] [call site] 00112


             <builtin>.isinstance

[function] [call site] 00113


             werkzeug.formparser.MultiPartParser.get_part_charset

[function] [call site] 00114


               headers.get

[function] [call site] 00115


               werkzeug.http.parse_options_header

[function] [call site] 00116


               parameters.get

[function] [call site] 00117


             fields.append

[function] [call site] 00118


             typing.cast

[function] [call site] 00119


             tempfile.SpooledTemporaryFile.seek

[function] [call site] 00120


             files.append

[function] [call site] 00121


             werkzeug.datastructures.file_storage.FileStorage.__init__

[function] [call site] 00122


               io.BytesIO

[function] [call site] 00123


               werkzeug.datastructures.file_storage._guess_filename

[function] [call site] 00124


                 os.fsdecode

[function] [call site] 00125


                 <builtin>.getattr

[function] [call site] 00126


                 os.fsdecode

[function] [call site] 00127


               werkzeug.datastructures.headers.Headers.__init__

[function] [call site] 00128


                 werkzeug.datastructures.headers.Headers.extend

[function] [call site] 00129


                   werkzeug.datastructures.structures.iter_multi_items

[function] [call site] 00130


                     <builtin>.isinstance

[function] [call site] 00131


                     mapping.items

[function] [call site] 00132


                     <builtin>.isinstance

[function] [call site] 00133


                     mapping.items

[function] [call site] 00134


                     <builtin>.isinstance

[function] [call site] 00135


                   werkzeug.datastructures.structures.iter_multi_items

[function] [call site] 00136


               <builtin>.str

[function] [call site] 00137


             werkzeug.sansio.multipart.MultipartDecoder.next_event

[function] [call site] 00138


           <builtin>.str

[function] [call site] 00139