Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
62	115	cryptography.x509.extensions.AuthorityKeyIdentifier.__init__	call site: 00115	...model-transparency.tests.fuzzing.fuzz_with_cert_chain.gen_name
18	92	...model-transparency.tests.fuzzing.fuzz_with_cert_chain._pick_sig_hash	call site: 00092	...model-transparency.tests.fuzzing.fuzz_with_cert_chain.gen_name
5	0	EP	call site: 00000	...model-transparency.tests.fuzzing.fuzz_with_cert_chain.build_valid_chain
4	85	cryptography.x509.extensions.SubjectKeyIdentifier.from_public_key	call site: 00085	cryptography.x509.base.CertificateBuilder.sign
3	18	...model-transparency.tests.fuzzing.fuzz_with_cert_chain.gen_name	call site: 00018	fdp.ConsumeIntInRange
3	22	...model-transparency.tests.fuzzing.fuzz_with_cert_chain.gen_name	call site: 00022	...model-transparency.tests.fuzzing.fuzz_with_cert_chain._rand_utf8
3	28	...model-transparency.tests.fuzzing.fuzz_with_cert_chain.gen_name	call site: 00028	fdp.ConsumeBytes
3	73	...model-transparency.tests.fuzzing.fuzz_with_cert_chain.deterministic_serial	call site: 00073	...model-transparency.tests.fuzzing.fuzz_with_cert_chain._ski
3	111	cryptography.x509.extensions.AuthorityKeyIdentifier.from_issuer_subject_key_identifier	call site: 00111	.list
2	32	...model-transparency.tests.fuzzing.fuzz_with_cert_chain.gen_name	call site: 00032	fdp.ConsumeBool
2	81	cryptography.x509.extensions._key_identifier_from_public_key	call site: 00081	public_key.public_bytes
1	8	...model-transparency.tests.fuzzing.fuzz_with_cert_chain.deterministic_validity	call site: 00008	datetime.timedelta

Fuzzer calltree


         ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.TestOneInput

[function] [call site] 00000


           atheris.FuzzedDataProvider

[function] [call site] 00001


           ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.build_valid_chain

[function] [call site] 00002


             fdp.ConsumeIntInRange

[function] [call site] 00003


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.deterministic_validity

[function] [call site] 00004


               datetime.datetime

[function] [call site] 00005


               fdp.ConsumeIntInRange

[function] [call site] 00006


               datetime.timedelta

[function] [call site] 00007


               fdp.ConsumeIntInRange

[function] [call site] 00008


               datetime.timedelta

[function] [call site] 00009


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.gen_private_key

[function] [call site] 00010


               fdp.ConsumeBool

[function] [call site] 00011


               fdp.PickValueInList

[function] [call site] 00012


               fdp.PickValueInList

[function] [call site] 00013


               cryptography.hazmat.primitives.asymmetric.rsa.generate_private_key

[function] [call site] 00014


                 cryptography.hazmat.primitives.asymmetric.rsa._verify_rsa_parameters

[function] [call site] 00015


                 cryptography.hazmat.bindings._rust.openssl.rsa.generate_private_key

[function] [call site] 00016


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.gen_name

[function] [call site] 00017


               ...model-transparency.tests.fuzzing.fuzz_with_cert_chain._rand_utf8

[function] [call site] 00018


                 fdp.ConsumeIntInRange

[function] [call site] 00019


                 fdp.ConsumeBytes

[function] [call site] 00020


                 <builtin>.chr

[function] [call site] 00021


               fdp.ConsumeBool

[function] [call site] 00022


               attrs.append

[function] [call site] 00023


               ...model-transparency.tests.fuzzing.fuzz_with_cert_chain._rand_utf8

[function] [call site] 00024


               fdp.ConsumeBool

[function] [call site] 00025


               attrs.append

[function] [call site] 00026


               ...model-transparency.tests.fuzzing.fuzz_with_cert_chain._rand_utf8

[function] [call site] 00027


               fdp.ConsumeBool

[function] [call site] 00028


               fdp.ConsumeBytes

[function] [call site] 00029


               <builtin>.ord

[function] [call site] 00030


               <builtin>.chr

[function] [call site] 00031


               attrs.append

[function] [call site] 00032


               fdp.ConsumeBool

[function] [call site] 00033


               attrs.append

[function] [call site] 00034


               ...model-transparency.tests.fuzzing.fuzz_with_cert_chain._rand_utf8

[function] [call site] 00035


             cryptography.x509.base.CertificateBuilder.subject_name

[function] [call site] 00036


               <builtin>.isinstance

[function] [call site] 00037


               cryptography.x509.base.CertificateBuilder.__init__

[function] [call site] 00038


             cryptography.x509.base.CertificateBuilder.issuer_name

[function] [call site] 00039


               <builtin>.isinstance

[function] [call site] 00040


               cryptography.x509.base.CertificateBuilder.__init__

[function] [call site] 00041


             cryptography.x509.base.CertificateBuilder.public_key

[function] [call site] 00042


               <builtin>.isinstance

[function] [call site] 00043


               cryptography.x509.base.CertificateBuilder.__init__

[function] [call site] 00044


             cryptography.x509.base.CertificateBuilder.serial_number

[function] [call site] 00045


               <builtin>.isinstance

[function] [call site] 00046


               number.bit_length

[function] [call site] 00047


               cryptography.x509.base.CertificateBuilder.__init__

[function] [call site] 00048


             cryptography.x509.base.CertificateBuilder.not_valid_before

[function] [call site] 00049


               <builtin>.isinstance

[function] [call site] 00050


               cryptography.x509.base._convert_to_naive_utc_time

[function] [call site] 00051


                 time.utcoffset

[function] [call site] 00052


                 datetime.timedelta

[function] [call site] 00053


                 time.replace

[function] [call site] 00054


               cryptography.x509.base.CertificateBuilder.__init__

[function] [call site] 00055


             cryptography.x509.base.CertificateBuilder.not_valid_after

[function] [call site] 00056


               <builtin>.isinstance

[function] [call site] 00057


               cryptography.x509.base._convert_to_naive_utc_time

[function] [call site] 00058


               cryptography.x509.base.CertificateBuilder.__init__

[function] [call site] 00059


             cryptography.x509.base.CertificateBuilder.add_extension

[function] [call site] 00060


               <builtin>.isinstance

[function] [call site] 00061


               cryptography.x509.extensions.Extension.__init__

[function] [call site] 00062


                 <builtin>.isinstance

[function] [call site] 00063


                 <builtin>.isinstance

[function] [call site] 00064


               cryptography.x509.base._reject_duplicate_extension

[function] [call site] 00065


               cryptography.x509.base.CertificateBuilder.__init__

[function] [call site] 00066


             cryptography.x509.base.CertificateBuilder.add_extension

[function] [call site] 00067


             cryptography.x509.base.CertificateBuilder.add_extension

[function] [call site] 00068


             root_key.public_key

[function] [call site] 00069


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.deterministic_serial

[function] [call site] 00070


               fdp.ConsumeIntInRange

[function] [call site] 00071


               fdp.ConsumeBytes

[function] [call site] 00072


               int.from_bytes

[function] [call site] 00073


             root_key.public_key

[function] [call site] 00074


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain._ski

[function] [call site] 00075


               cryptography.x509.extensions.SubjectKeyIdentifier.from_public_key

[function] [call site] 00076


                 cryptography.x509.extensions._key_identifier_from_public_key

[function] [call site] 00077


                   <builtin>.isinstance

[function] [call site] 00078


                   public_key.public_bytes

[function] [call site] 00079


                   <builtin>.isinstance

[function] [call site] 00080


                   public_key.public_bytes

[function] [call site] 00081


                   public_key.public_bytes

[function] [call site] 00082


                   cryptography.hazmat.bindings._rust.asn1.parse_spki_for_data

[function] [call site] 00083


                   hashlib.sha1

[function] [call site] 00084


                 cryptography.x509.extensions.SubjectKeyIdentifier.__init__

[function] [call site] 00085


             cryptography.x509.base.CertificateBuilder.sign

[function] [call site] 00086


               <builtin>.isinstance

[function] [call site] 00087


               <builtin>.isinstance

[function] [call site] 00088


               <builtin>.isinstance

[function] [call site] 00089


               cryptography.hazmat.bindings._rust.x509.create_x509_certificate

[function] [call site] 00090


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain._pick_sig_hash

[function] [call site] 00091


               fdp.PickValueInList

[function] [call site] 00092


             <builtin>.range

[function] [call site] 00093


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.gen_private_key

[function] [call site] 00094


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.gen_name

[function] [call site] 00095


             cryptography.x509.base.CertificateBuilder.subject_name

[function] [call site] 00096


             cryptography.x509.base.CertificateBuilder.issuer_name

[function] [call site] 00097


             cryptography.x509.base.CertificateBuilder.public_key

[function] [call site] 00098


             cryptography.x509.base.CertificateBuilder.serial_number

[function] [call site] 00099


             cryptography.x509.base.CertificateBuilder.not_valid_before

[function] [call site] 00100


             cryptography.x509.base.CertificateBuilder.not_valid_after

[function] [call site] 00101


             cryptography.x509.base.CertificateBuilder.add_extension

[function] [call site] 00102


             cryptography.x509.base.CertificateBuilder.add_extension

[function] [call site] 00103


             cryptography.x509.base.CertificateBuilder.add_extension

[function] [call site] 00104


             cryptography.x509.base.CertificateBuilder.add_extension

[function] [call site] 00105


             key.public_key

[function] [call site] 00106


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.deterministic_serial

[function] [call site] 00107


             key.public_key

[function] [call site] 00108


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain._ski

[function] [call site] 00109


             cryptography.x509.extensions.AuthorityKeyIdentifier.from_issuer_subject_key_identifier

[function] [call site] 00110


               cryptography.x509.extensions.AuthorityKeyIdentifier.__init__

[function] [call site] 00111


                 <builtin>.list

[function] [call site] 00112


                 <builtin>.all

[function] [call site] 00113


                 <builtin>.isinstance

[function] [call site] 00114


                 <builtin>.isinstance

[function] [call site] 00115


             cryptography.x509.extensions.SubjectKeyIdentifier.from_public_key

[function] [call site] 00116


             issuer_key.public_key

[function] [call site] 00117


             cryptography.x509.base.CertificateBuilder.sign

[function] [call site] 00118


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain._pick_sig_hash

[function] [call site] 00119


             issuers.insert

[function] [call site] 00120


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.gen_ec_key

[function] [call site] 00121


               fdp.PickValueInList

[function] [call site] 00122


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.gen_name

[function] [call site] 00123


             cryptography.x509.base.CertificateBuilder.subject_name

[function] [call site] 00124


             cryptography.x509.base.CertificateBuilder.issuer_name

[function] [call site] 00125


             cryptography.x509.base.CertificateBuilder.public_key

[function] [call site] 00126


             cryptography.x509.base.CertificateBuilder.serial_number

[function] [call site] 00127


             cryptography.x509.base.CertificateBuilder.not_valid_before

[function] [call site] 00128


             cryptography.x509.base.CertificateBuilder.not_valid_after

[function] [call site] 00129


             cryptography.x509.base.CertificateBuilder.add_extension

[function] [call site] 00130


             cryptography.x509.base.CertificateBuilder.add_extension

[function] [call site] 00131


             cryptography.x509.base.CertificateBuilder.add_extension

[function] [call site] 00132


             cryptography.x509.base.CertificateBuilder.add_extension

[function] [call site] 00133


             cryptography.x509.base.CertificateBuilder.add_extension

[function] [call site] 00134


             leaf_key.public_key

[function] [call site] 00135


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.deterministic_serial

[function] [call site] 00136


             leaf_key.public_key

[function] [call site] 00137


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain._ski

[function] [call site] 00138


             cryptography.x509.extensions.AuthorityKeyIdentifier.from_issuer_subject_key_identifier

[function] [call site] 00139


             cryptography.x509.extensions.SubjectKeyIdentifier.from_public_key

[function] [call site] 00140


             issuer_key.public_key

[function] [call site] 00141


             cryptography.x509.base.CertificateBuilder.sign

[function] [call site] 00142


             ...model-transparency.tests.fuzzing.fuzz_with_cert_chain._pick_sig_hash

[function] [call site] 00143


           tempfile.mkdtemp

[function] [call site] 00144


           pathlib.Path

[function] [call site] 00145


           pathlib.Path

[function] [call site] 00146


           <builtin>.open

[function] [call site] 00147


           ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.key_to_pem

[function] [call site] 00148


             priv.private_bytes

[function] [call site] 00149


           f.write

[function] [call site] 00150


           <builtin>.open

[function] [call site] 00151


           ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.to_pem_cert

[function] [call site] 00152


             cert.public_bytes

[function] [call site] 00153


           f.write

[function] [call site] 00154


           <builtin>.enumerate

[function] [call site] 00155


           pathlib.Path

[function] [call site] 00156


           <builtin>.open

[function] [call site] 00157


           ...model-transparency.tests.fuzzing.fuzz_with_cert_chain.to_pem_cert

[function] [call site] 00158


           f.write

[function] [call site] 00159


           chain_paths.append

[function] [call site] 00160


           <builtin>.len

[function] [call site] 00161


           shutil.rmtree

[function] [call site] 00162


           shutil.rmtree

[function] [call site] 00163


           tempfile.mkdtemp

[function] [call site] 00164


           pathlib.Path

[function] [call site] 00165


           utils.create_fuzz_files

[function] [call site] 00166


           ...model-transparency.tests.fuzzing.fuzz_with_cert_chain._rand_utf8

[function] [call site] 00167


           ...model-transparency.tests.fuzzing.fuzz_with_cert_chain._build_hashing_config_from_fdp

[function] [call site] 00168


             fdp.ConsumeIntInRange

[function] [call site] 00169


             hashing.Config

[function] [call site] 00170


             fdp.ConsumeBool

[function] [call site] 00171


             fdp.ConsumeBool

[function] [call site] 00172


             hcfg.use_file_serialization

[function] [call site] 00173


             hcfg.use_shard_serialization

[function] [call site] 00174


           verifying.Config

[function] [call site] 00175


           shutil.rmtree

[function] [call site] 00176


           shutil.rmtree

[function] [call site] 00177