Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
12	148	chardet.sbcsgroupprober.SBCSGroupProber.__init__	call site: {node_id}	chardet.sbcharsetprober.SingleByteCharSetProber.__init__
3	176	chardet.universaldetector.UniversalDetector.close	call site: {node_id}	.isinstance
2	30	chardet.utf1632prober.UTF1632Prober.feed	call site: {node_id}	chardet.utf1632prober.UTF1632Prober.get_confidence
1	8	chardet.universaldetector.UniversalDetector.__init__	call site: {node_id}	chardet.escprober.EscCharSetProber.reset
1	12	chardet.escprober.EscCharSetProber.reset	call site: {node_id}	chardet.utf1632prober.UTF1632Prober.reset
1	14	chardet.utf1632prober.UTF1632Prober.reset	call site: {node_id}	prober.reset
1	34	chardet.utf1632prober.UTF1632Prober.approx_16bit_chars	call site: {node_id}	chardet.utf1632prober.UTF1632Prober.is_likely_utf16be
1	36	chardet.utf1632prober.UTF1632Prober.is_likely_utf16be	call site: {node_id}	chardet.utf1632prober.UTF1632Prober.is_likely_utf32le
1	39	chardet.utf1632prober.UTF1632Prober.approx_32bit_chars	call site: {node_id}	chardet.utf1632prober.UTF1632Prober.is_likely_utf32be
1	53	chardet.escprober.EscCharSetProber.feed	call site: {node_id}	chardet.escprober.EscCharSetProber.get_confidence
1	56	chardet.mbcsgroupprober.MBCSGroupProber.__init__	call site: {node_id}	chardet.utf8prober.UTF8Prober.__init__
1	62	chardet.utf8prober.UTF8Prober.reset	call site: {node_id}	chardet.sjisprober.SJISProber.__init__

Fuzzer calltree


         ...fuzz_detector.TestOneInput

[function] [call site] 00000


           atheris.FuzzedDataProvider

[function] [call site] 00001


           chardet.detect

[function] [call site] 00002


             
              .isinstance

[function] [call site] 00003


             
              .isinstance

[function] [call site] 00004


             
              .bytearray

[function] [call site] 00005


             chardet.universaldetector.UniversalDetector.__init__

[function] [call site] 00006


               logging.getLogger

[function] [call site] 00007


               chardet.universaldetector.UniversalDetector.reset

[function] [call site] 00008


                 chardet.escprober.EscCharSetProber.reset

[function] [call site] 00009


                   
                    .super

[function] [call site] 00010


                   coding_sm.reset

[function] [call site] 00011


                   
                    .len

[function] [call site] 00012


                 chardet.utf1632prober.UTF1632Prober.reset

[function] [call site] 00013


                   
                    .super

[function] [call site] 00014


                 prober.reset

[function] [call site] 00015


             chardet.universaldetector.UniversalDetector.feed

[function] [call site] 00016


               
                .isinstance

[function] [call site] 00017


               
                .bytearray

[function] [call site] 00018


               byte_str.startswith

[function] [call site] 00019


               byte_str.startswith

[function] [call site] 00020


               byte_str.startswith

[function] [call site] 00021


               byte_str.startswith

[function] [call site] 00022


               byte_str.startswith

[function] [call site] 00023


               chardet.utf1632prober.UTF1632Prober.__init__

[function] [call site] 00024


                 
                  .super

[function] [call site] 00025


                 chardet.utf1632prober.UTF1632Prober.reset

[function] [call site] 00026


               chardet.utf1632prober.UTF1632Prober.feed

[function] [call site] 00027


                 chardet.utf1632prober.UTF1632Prober.validate_utf32_characters

[function] [call site] 00028


                 chardet.utf1632prober.UTF1632Prober.validate_utf16_characters

[function] [call site] 00029


                 chardet.utf1632prober.UTF1632Prober.validate_utf16_characters

[function] [call site] 00030


               chardet.utf1632prober.UTF1632Prober.get_confidence

[function] [call site] 00031


                 chardet.utf1632prober.UTF1632Prober.is_likely_utf16le

[function] [call site] 00032


                   chardet.utf1632prober.UTF1632Prober.approx_16bit_chars

[function] [call site] 00033


                     
                      .max

[function] [call site] 00034


                 chardet.utf1632prober.UTF1632Prober.is_likely_utf16be

[function] [call site] 00035


                   chardet.utf1632prober.UTF1632Prober.approx_16bit_chars

[function] [call site] 00036


                 chardet.utf1632prober.UTF1632Prober.is_likely_utf32le

[function] [call site] 00037


                   chardet.utf1632prober.UTF1632Prober.approx_32bit_chars

[function] [call site] 00038


                     
                      .max

[function] [call site] 00039


                 chardet.utf1632prober.UTF1632Prober.is_likely_utf32be

[function] [call site] 00040


                   chardet.utf1632prober.UTF1632Prober.approx_32bit_chars

[function] [call site] 00041


               chardet.escprober.EscCharSetProber.__init__

[function] [call site] 00042


                 
                  .super

[function] [call site] 00043


                 chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00044


                   logging.getLogger

[function] [call site] 00045


                   chardet.codingstatemachine.CodingStateMachine.reset

[function] [call site] 00046


                 chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00047


                 chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00048


                 chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00049


                 chardet.escprober.EscCharSetProber.reset

[function] [call site] 00050


               chardet.escprober.EscCharSetProber.feed

[function] [call site] 00051


                 coding_sm.next_state

[function] [call site] 00052


                 coding_sm.get_coding_state_machine

[function] [call site] 00053


               chardet.escprober.EscCharSetProber.get_confidence

[function] [call site] 00054


               chardet.mbcsgroupprober.MBCSGroupProber.__init__

[function] [call site] 00055


                 
                  .super

[function] [call site] 00056


                 chardet.utf8prober.UTF8Prober.__init__

[function] [call site] 00057


                   
                    .super

[function] [call site] 00058


                   chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00059


                   chardet.utf8prober.UTF8Prober.reset

[function] [call site] 00060


                     
                      .super

[function] [call site] 00061


                     chardet.codingstatemachine.CodingStateMachine.reset

[function] [call site] 00062


                 chardet.sjisprober.SJISProber.__init__

[function] [call site] 00063


                   
                    .super

[function] [call site] 00064


                   chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00065


                   chardet.chardistribution.SJISDistributionAnalysis.__init__

[function] [call site] 00066


                     
                      .super

[function] [call site] 00067


                   chardet.jpcntx.SJISContextAnalysis.__init__

[function] [call site] 00068


                     
                      .super

[function] [call site] 00069


                   chardet.sjisprober.SJISProber.reset

[function] [call site] 00070


                     
                      .super

[function] [call site] 00071


                     chardet.jpcntx.JapaneseContextAnalysis.reset

[function] [call site] 00072


                 chardet.eucjpprober.EUCJPProber.__init__

[function] [call site] 00073


                   
                    .super

[function] [call site] 00074


                   chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00075


                   chardet.chardistribution.EUCJPDistributionAnalysis.__init__

[function] [call site] 00076


                     
                      .super

[function] [call site] 00077


                   chardet.jpcntx.JapaneseContextAnalysis.__init__

[function] [call site] 00078


                     chardet.jpcntx.JapaneseContextAnalysis.reset

[function] [call site] 00079


                   chardet.eucjpprober.EUCJPProber.reset

[function] [call site] 00080


                     
                      .super

[function] [call site] 00081


                     chardet.jpcntx.JapaneseContextAnalysis.reset

[function] [call site] 00082


                 chardet.gb2312prober.GB2312Prober.__init__

[function] [call site] 00083


                   
                    .super

[function] [call site] 00084


                   chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00085


                   chardet.chardistribution.GB2312DistributionAnalysis.__init__

[function] [call site] 00086


                     
                      .super

[function] [call site] 00087


                   chardet.eucjpprober.EUCJPProber.reset

[function] [call site] 00088


                   chardet.mbcharsetprober.MultiByteCharSetProber.reset

[function] [call site] 00089


                     
                      .super

[function] [call site] 00090


                     chardet.codingstatemachine.CodingStateMachine.reset

[function] [call site] 00091


                     chardet.chardistribution.CharDistributionAnalysis.reset

[function] [call site] 00092


                     
                      .bytearray

[function] [call site] 00093


                   chardet.sjisprober.SJISProber.reset

[function] [call site] 00094


                 chardet.euckrprober.EUCKRProber.__init__

[function] [call site] 00095


                   
                    .super

[function] [call site] 00096


                   chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00097


                   chardet.chardistribution.EUCKRDistributionAnalysis.__init__

[function] [call site] 00098


                     
                      .super

[function] [call site] 00099


                   chardet.eucjpprober.EUCJPProber.reset

[function] [call site] 00100


                   chardet.mbcharsetprober.MultiByteCharSetProber.reset

[function] [call site] 00101


                   chardet.sjisprober.SJISProber.reset

[function] [call site] 00102


                 chardet.cp949prober.CP949Prober.__init__

[function] [call site] 00103


                   
                    .super

[function] [call site] 00104


                   chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00105


                   chardet.chardistribution.EUCKRDistributionAnalysis.__init__

[function] [call site] 00106


                   chardet.eucjpprober.EUCJPProber.reset

[function] [call site] 00107


                   chardet.mbcharsetprober.MultiByteCharSetProber.reset

[function] [call site] 00108


                   chardet.sjisprober.SJISProber.reset

[function] [call site] 00109


                 chardet.big5prober.Big5Prober.__init__

[function] [call site] 00110


                   
                    .super

[function] [call site] 00111


                   chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00112


                   chardet.chardistribution.Big5DistributionAnalysis.__init__

[function] [call site] 00113


                     
                      .super

[function] [call site] 00114


                   chardet.eucjpprober.EUCJPProber.reset

[function] [call site] 00115


                   chardet.mbcharsetprober.MultiByteCharSetProber.reset

[function] [call site] 00116


                   chardet.sjisprober.SJISProber.reset

[function] [call site] 00117


                 chardet.euctwprober.EUCTWProber.__init__

[function] [call site] 00118


                   
                    .super

[function] [call site] 00119


                   chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00120


                   chardet.chardistribution.EUCTWDistributionAnalysis.__init__

[function] [call site] 00121


                     
                      .super

[function] [call site] 00122


                   chardet.eucjpprober.EUCJPProber.reset

[function] [call site] 00123


                   chardet.mbcharsetprober.MultiByteCharSetProber.reset

[function] [call site] 00124


                   chardet.sjisprober.SJISProber.reset

[function] [call site] 00125


                 chardet.johabprober.JOHABProber.__init__

[function] [call site] 00126


                   
                    .super

[function] [call site] 00127


                   chardet.codingstatemachine.CodingStateMachine.__init__

[function] [call site] 00128


                   chardet.chardistribution.JOHABDistributionAnalysis.__init__

[function] [call site] 00129


                     
                      .super

[function] [call site] 00130


                   chardet.eucjpprober.EUCJPProber.reset

[function] [call site] 00131


                   chardet.mbcharsetprober.MultiByteCharSetProber.reset

[function] [call site] 00132


                   chardet.sjisprober.SJISProber.reset

[function] [call site] 00133


                 chardet.charsetgroupprober.CharSetGroupProber.reset

[function] [call site] 00134


                   
                    .super

[function] [call site] 00135


                   prober.reset

[function] [call site] 00136


               chardet.sbcsgroupprober.SBCSGroupProber.__init__

[function] [call site] 00137


                 
                  .super

[function] [call site] 00138


                 chardet.hebrewprober.HebrewProber.__init__

[function] [call site] 00139


                   
                    .super

[function] [call site] 00140


                   chardet.hebrewprober.HebrewProber.reset

[function] [call site] 00141


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00142


                   
                    .super

[function] [call site] 00143


                   chardet.sbcharsetprober.SingleByteCharSetProber.reset

[function] [call site] 00144


                     
                      .super

[function] [call site] 00145


                     chardet.enums.SequenceLikelihood.get_num_categories

[function] [call site] 00146


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00147


                 chardet.hebrewprober.HebrewProber.set_model_probers

[function] [call site] 00148


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00149


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00150


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00151


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00152


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00153


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00154


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00155


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00156


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00157


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00158


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00159


                 chardet.sbcharsetprober.SingleByteCharSetProber.__init__

[function] [call site] 00160


                 chardet.charsetgroupprober.CharSetGroupProber.reset

[function] [call site] 00161


               chardet.latin1prober.Latin1Prober.__init__

[function] [call site] 00162


                 
                  .super

[function] [call site] 00163


                 chardet.latin1prober.Latin1Prober.reset

[function] [call site] 00164


                   
                    .super

[function] [call site] 00165


               chardet.macromanprober.MacRomanProber.__init__

[function] [call site] 00166


                 
                  .super

[function] [call site] 00167


                 chardet.macromanprober.MacRomanProber.reset

[function] [call site] 00168


                   
                    .super

[function] [call site] 00169


               prober.feed

[function] [call site] 00170


               prober.get_confidence

[function] [call site] 00171


             chardet.universaldetector.UniversalDetector.close

[function] [call site] 00172


               prober.get_confidence

[function] [call site] 00173


               charset_name.lower

[function] [call site] 00174


               max_prober.get_confidence

[function] [call site] 00175


               lower_charset_name.startswith

[function] [call site] 00176


               
                .isinstance

[function] [call site] 00177


               prober.get_confidence

[function] [call site] 00178


               group_prober.get_confidence

[function] [call site] 00179


           chardet.universaldetector.UniversalDetector.__init__

[function] [call site] 00180


           chardet.universaldetector.UniversalDetector.feed

[function] [call site] 00181


           chardet.universaldetector.UniversalDetector.close

[function] [call site] 00182