Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
5	24	fontTools.misc.sstruct.getformat	call site: 00024	m.group
4	7	fontTools.misc.textTools.tobytes	call site: 00007	collections.abc.Sequence.data.encode
2	72	fontTools.ttLib.woff2.WOFF2FlavorData.__init__	call site: 00072	collections.OrderedDict.items
1	2	...fuzz_woff2.TestOneInput	call site: 00002	log.error
1	33	fontTools.misc.sstruct.unpack	call site: 00033	fontTools.misc.fixedTools.fixedToFloat

Fuzzer calltree


         ...fuzz_woff2.TestOneInput

[function] [call site] 00000


           io.BytesIO

[function] [call site] 00001


           fontTools.ttLib.woff2.WOFF2Reader.__init__

[function] [call site] 00002


             log.error

[function] [call site] 00003


             <builtin>.len

[function] [call site] 00004


             fontTools.misc.sstruct.unpack

[function] [call site] 00005


               fontTools.misc.textTools.tobytes

[function] [call site] 00006


                 <builtin>.isinstance

[function] [call site] 00007


                 collections.abc.Sequence.data.encode

[function] [call site] 00008


                 os.linesep.encode

[function] [call site] 00009


                 collections.abc.MutableMapping.encode

[function] [call site] 00010


                 types.SimpleNamespace.encode

[function] [call site] 00011


                 <builtin>.bytes

[function] [call site] 00012


               fontTools.misc.sstruct.getformat

[function] [call site] 00013


                 fontTools.misc.textTools.tostr

[function] [call site] 00014


                   <builtin>.isinstance

[function] [call site] 00015


                   os.linesep.decode

[function] [call site] 00016


                 re.split

[function] [call site] 00017


                 _emptyRE.match

[function] [call site] 00018


                 _extraRE.match

[function] [call site] 00019


                 m.group

[function] [call site] 00020


                 _elementRE.match

[function] [call site] 00021


                 m.group

[function] [call site] 00022


                 m.group

[function] [call site] 00023


                 m.group

[function] [call site] 00024


                 m.group

[function] [call site] 00025


                 <builtin>.int

[function] [call site] 00026


                 m.group

[function] [call site] 00027


                 <builtin>.int

[function] [call site] 00028


                 m.group

[function] [call site] 00029


               <builtin>.isinstance

[function] [call site] 00030


               struct.unpack

[function] [call site] 00031


               names.keys

[function] [call site] 00032


               <builtin>.enumerate

[function] [call site] 00033


               fontTools.misc.fixedTools.fixedToFloat

[function] [call site] 00034


               <builtin>.isinstance

[function] [call site] 00035


               fontTools.misc.textTools.tostr

[function] [call site] 00036


             collections.OrderedDict

[function] [call site] 00037


             <builtin>.range

[function] [call site] 00038


             fontTools.ttLib.sfnt.DirectoryEntry.__init__

[function] [call site] 00039


             fontTools.ttLib.woff2.WOFF2DirectoryEntry.fromFile

[function] [call site] 00040


               io.StringIO.tell

[function] [call site] 00041


               io.BytesIO.tell

[function] [call site] 00042


               io.StringIO.read

[function] [call site] 00043


               io.BytesIO.read

[function] [call site] 00044


               fontTools.ttLib.woff2.WOFF2DirectoryEntry.fromString

[function] [call site] 00045


                 <builtin>.len

[function] [call site] 00046


                 fontTools.misc.sstruct.unpack2

[function] [call site] 00047


                   fontTools.misc.sstruct.calcsize

[function] [call site] 00048


                     fontTools.misc.sstruct.getformat

[function] [call site] 00049


                     struct.calcsize

[function] [call site] 00050


                   fontTools.misc.sstruct.unpack

[function] [call site] 00051


                 <builtin>.len

[function] [call site] 00052


                 fontTools.misc.sstruct.unpack2

[function] [call site] 00053


                 fontTools.ttLib.woff2.unpackBase128

[function] [call site] 00054


                   <builtin>.len

[function] [call site] 00055


                   fontTools.misc.textTools.byteord

[function] [call site] 00056


                     <builtin>.isinstance

[function] [call site] 00057


                     <builtin>.ord

[function] [call site] 00058


                   <builtin>.range

[function] [call site] 00059


                   <builtin>.len

[function] [call site] 00060


                   fontTools.misc.textTools.byteord

[function] [call site] 00061


                 fontTools.ttLib.woff2.unpackBase128

[function] [call site] 00062


               <builtin>.len

[function] [call site] 00063


               <builtin>.len

[function] [call site] 00064


               io.StringIO.seek

[function] [call site] 00065


               io.BytesIO.seek

[function] [call site] 00066


             brotlicffi.decompress

[function] [call site] 00067


             brotli.decompress

[function] [call site] 00068


             <builtin>.len

[function] [call site] 00069


             io.BytesIO

[function] [call site] 00070


             fontTools.ttLib.woff2.WOFF2FlavorData.__init__

[function] [call site] 00071


               <builtin>.super

[function] [call site] 00072


               collections.OrderedDict.items

[function] [call site] 00073


               <builtin>.hasattr

[function] [call site] 00074


               <builtin>.set

[function] [call site] 00075