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	25	fontTools.misc.sstruct.getformat	call site: {node_id}	m.group
4	7	fontTools.misc.textTools.tobytes	call site: {node_id}	collections.abc.MutableMapping.encode
2	70	fontTools.ttLib.woff2.WOFF2FlavorData.__init__	call site: {node_id}	collections.OrderedDict.items
1	2	...fuzz_woff2.TestOneInput	call site: {node_id}	log.error
1	34	fontTools.misc.sstruct.unpack	call site: {node_id}	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


             
              .len

[function] [call site] 00004


             fontTools.misc.sstruct.unpack

[function] [call site] 00005


               fontTools.misc.textTools.tobytes

[function] [call site] 00006


                 
                  .isinstance

[function] [call site] 00007


                 collections.abc.MutableMapping.encode

[function] [call site] 00008


                 os.linesep.encode

[function] [call site] 00009


                 types.SimpleNamespace.encode

[function] [call site] 00010


                 collections.abc.Sequence.data.encode

[function] [call site] 00011


                 
                  .bytes

[function] [call site] 00012


               fontTools.misc.sstruct.getformat

[function] [call site] 00013


                 fontTools.misc.textTools.tostr

[function] [call site] 00014


                   
                    .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


                 names.append

[function] [call site] 00024


                 m.group

[function] [call site] 00025


                 m.group

[function] [call site] 00026


                 
                  .int

[function] [call site] 00027


                 m.group

[function] [call site] 00028


                 
                  .int

[function] [call site] 00029


                 m.group

[function] [call site] 00030


               
                .isinstance

[function] [call site] 00031


               struct.unpack

[function] [call site] 00032


               
                .len

[function] [call site] 00033


               
                .range

[function] [call site] 00034


               fontTools.misc.fixedTools.fixedToFloat

[function] [call site] 00035


               
                .isinstance

[function] [call site] 00036


               fontTools.misc.textTools.tostr

[function] [call site] 00037


             collections.OrderedDict

[function] [call site] 00038


             
              .range

[function] [call site] 00039


             fontTools.ttLib.sfnt.DirectoryEntry.__init__

[function] [call site] 00040


             fontTools.ttLib.woff2.WOFF2DirectoryEntry.fromFile

[function] [call site] 00041


               io.BytesIO.tell

[function] [call site] 00042


               io.BytesIO.read

[function] [call site] 00043


               fontTools.ttLib.woff2.WOFF2DirectoryEntry.fromString

[function] [call site] 00044


                 
                  .len

[function] [call site] 00045


                 fontTools.misc.sstruct.unpack2

[function] [call site] 00046


                   fontTools.misc.sstruct.calcsize

[function] [call site] 00047


                     fontTools.misc.sstruct.getformat

[function] [call site] 00048


                     struct.calcsize

[function] [call site] 00049


                   fontTools.misc.sstruct.unpack

[function] [call site] 00050


                 
                  .len

[function] [call site] 00051


                 fontTools.misc.sstruct.unpack2

[function] [call site] 00052


                 fontTools.ttLib.woff2.unpackBase128

[function] [call site] 00053


                   
                    .len

[function] [call site] 00054


                   fontTools.misc.textTools.byteord

[function] [call site] 00055


                     
                      .isinstance

[function] [call site] 00056


                     
                      .ord

[function] [call site] 00057


                   
                    .range

[function] [call site] 00058


                   
                    .len

[function] [call site] 00059


                   fontTools.misc.textTools.byteord

[function] [call site] 00060


                 fontTools.ttLib.woff2.unpackBase128

[function] [call site] 00061


               
                .len

[function] [call site] 00062


               
                .len

[function] [call site] 00063


               io.BytesIO.seek

[function] [call site] 00064


             brotlicffi.decompress

[function] [call site] 00065


             brotli.decompress

[function] [call site] 00066


             
              .len

[function] [call site] 00067


             io.BytesIO

[function] [call site] 00068


             fontTools.ttLib.woff2.WOFF2FlavorData.__init__

[function] [call site] 00069


               
                .super

[function] [call site] 00070


               collections.OrderedDict.items

[function] [call site] 00071


               
                .hasattr

[function] [call site] 00072


               
                .set

[function] [call site] 00073