Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
4	64	cryptography.hazmat.backends.openssl.hashes._HashContext.finalize	call site: {node_id}	cryptography.hazmat.backends.openssl.hashes._HashContext._finalize_xof
3	96	cryptography.hazmat.backends.openssl.dsa._dsa_sig_verify	call site: {node_id}	cryptography.hazmat.backends.openssl.backend.Backend._consume_errors
1	6	cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert	call site: {node_id}	cryptography.hazmat.bindings.openssl.binding._consume_errors
1	12	cryptography.hazmat.bindings.openssl.binding._consume_errors	call site: {node_id}	cryptography.hazmat.bindings.openssl.binding._errors_with_text
1	18	cryptography.hazmat.bindings.openssl.binding._errors_with_text	call site: {node_id}	typing.NamedTuple.__init__
1	33	cryptography.hazmat.backends.openssl.dsa._DSAPrivateKey.__init__	call site: {node_id}	cryptography.hazmat.backends.openssl.dsa._DSAPrivateKey.public_key
1	43	cryptography.hazmat.backends.openssl.dsa._DSAPublicKey.__init__	call site: {node_id}	fdp.ConsumeBytes
1	58	cryptography.hazmat.backends.openssl.hashes._HashContext.update	call site: {node_id}	.len
1	85	cryptography.hazmat.backends.openssl.dsa._dsa_sig_sign	call site: {node_id}	.len
1	89	cryptography.hazmat.backends.openssl.dsa._dsa_sig_sign	call site: {node_id}	cryptography.hazmat.primitives.asymmetric.utils.Prehashed.__init__
1	91	cryptography.hazmat.primitives.asymmetric.utils.Prehashed.__init__	call site: {node_id}	cryptography.hazmat.backends.openssl.dsa._DSAPrivateKey.sign

Fuzzer calltree


         ...fuzz_dsa.TestInput

[function] [call site] 00000


           atheris.FuzzedDataProvider

[function] [call site] 00001


           cryptography.hazmat.primitives.asymmetric.dsa.generate_private_key

[function] [call site] 00002


             cryptography.hazmat.backends.openssl.backend.Backend.generate_dsa_private_key_and_parameters

[function] [call site] 00003


               cryptography.hazmat.backends.openssl.backend.Backend.generate_dsa_parameters

[function] [call site] 00004


                 cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00005


                   cryptography.hazmat.bindings.openssl.binding._openssl_assert

[function] [call site] 00006


                     cryptography.hazmat.bindings.openssl.binding._consume_errors

[function] [call site] 00007


                       lib.ERR_get_error

[function] [call site] 00008


                       lib.ERR_GET_LIB

[function] [call site] 00009


                       lib.ERR_GET_REASON

[function] [call site] 00010


                       cryptography.hazmat.bindings.openssl.binding._OpenSSLError.__init__

[function] [call site] 00011


                       errors.append

[function] [call site] 00012


                     cryptography.hazmat.bindings.openssl.binding._errors_with_text

[function] [call site] 00013


                       cryptography.hazmat.bindings._openssl.ffi.new

[function] [call site] 00014


                       
                        .len

[function] [call site] 00015


                       cryptography.hazmat.bindings._openssl.lib.ERR_error_string_n

[function] [call site] 00016


                       cryptography.hazmat.bindings._openssl.ffi.string

[function] [call site] 00017


                       errors_with_text.append

[function] [call site] 00018


                       typing.NamedTuple.__init__

[function] [call site] 00019


                 cryptography.hazmat.bindings._openssl.ffi.gc

[function] [call site] 00020


                 cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00021


                 cryptography.hazmat.backends.openssl.dsa._DSAParameters.__init__

[function] [call site] 00022


               cryptography.hazmat.backends.openssl.backend.Backend.generate_dsa_private_key

[function] [call site] 00023


                 cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00024


                 cryptography.hazmat.bindings._openssl.ffi.gc

[function] [call site] 00025


                 cryptography.hazmat.backends.openssl.backend.Backend._dsa_cdata_to_evp_pkey

[function] [call site] 00026


                   cryptography.hazmat.backends.openssl.backend.Backend._create_evp_pkey_gc

[function] [call site] 00027


                     cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00028


                     cryptography.hazmat.bindings._openssl.ffi.gc

[function] [call site] 00029


                   cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00030


                 cryptography.hazmat.backends.openssl.dsa._DSAPrivateKey.__init__

[function] [call site] 00031


                   cryptography.hazmat.bindings._openssl.ffi.new

[function] [call site] 00032


                   cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00033


           cryptography.hazmat.backends.openssl.dsa._DSAPrivateKey.public_key

[function] [call site] 00034


             cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00035


             cryptography.hazmat.bindings._openssl.ffi.gc

[function] [call site] 00036


             cryptography.hazmat.bindings._openssl.ffi.new

[function] [call site] 00037


             cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00038


             cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00039


             cryptography.hazmat.backends.openssl.backend.Backend._dsa_cdata_to_evp_pkey

[function] [call site] 00040


             cryptography.hazmat.backends.openssl.dsa._DSAPublicKey.__init__

[function] [call site] 00041


               cryptography.hazmat.bindings._openssl.ffi.new

[function] [call site] 00042


               cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00043


           fdp.ConsumeBytes

[function] [call site] 00044


           fdp.ConsumeBytes

[function] [call site] 00045


           cryptography.hazmat.primitives.hashes.Hash.__init__

[function] [call site] 00046


             
              .isinstance

[function] [call site] 00047


             cryptography.hazmat.backends.openssl.backend.Backend.create_hash_ctx

[function] [call site] 00048


               cryptography.hazmat.backends.openssl.hashes._HashContext.__init__

[function] [call site] 00049


                 cryptography.hazmat.bindings._openssl.ffi.gc

[function] [call site] 00050


                 cryptography.hazmat.backends.openssl.backend.Backend._evp_md_from_algorithm

[function] [call site] 00051


                   algorithm.name.encode

[function] [call site] 00052


                 cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00053


           cryptography.hazmat.primitives.hashes.Hash.update

[function] [call site] 00054


             cryptography.utils._check_byteslike

[function] [call site] 00055


               
                .memoryview

[function] [call site] 00056


             cryptography.hazmat.backends.openssl.hashes._HashContext.update

[function] [call site] 00057


               cryptography.hazmat.bindings._openssl.ffi.from_buffer

[function] [call site] 00058


               
                .len

[function] [call site] 00059


               cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00060


           cryptography.hazmat.primitives.hashes.Hash.update

[function] [call site] 00061


           cryptography.hazmat.primitives.hashes.Hash.finalize

[function] [call site] 00062


             cryptography.hazmat.backends.openssl.hashes._HashContext.finalize

[function] [call site] 00063


               
                .isinstance

[function] [call site] 00064


               cryptography.hazmat.backends.openssl.hashes._HashContext._finalize_xof

[function] [call site] 00065


                 cryptography.hazmat.bindings._openssl.ffi.new

[function] [call site] 00066


                 cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00067


                 cryptography.hazmat.bindings._openssl.ffi.buffer

[function] [call site] 00068


               cryptography.hazmat.bindings._openssl.ffi.new

[function] [call site] 00069


               cryptography.hazmat.bindings._openssl.ffi.new

[function] [call site] 00070


               cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00071


               cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00072


               cryptography.hazmat.bindings._openssl.ffi.buffer

[function] [call site] 00073


           cryptography.hazmat.backends.openssl.dsa._DSAPrivateKey.sign

[function] [call site] 00074


             cryptography.hazmat.backends.openssl.utils._calculate_digest_and_algorithm

[function] [call site] 00075


               
                .isinstance

[function] [call site] 00076


               cryptography.hazmat.primitives.hashes.Hash.__init__

[function] [call site] 00077


               cryptography.hazmat.primitives.hashes.Hash.update

[function] [call site] 00078


               cryptography.hazmat.primitives.hashes.Hash.finalize

[function] [call site] 00079


               
                .len

[function] [call site] 00080


             cryptography.hazmat.backends.openssl.dsa._dsa_sig_sign

[function] [call site] 00081


               backend._lib.DSA_size

[function] [call site] 00082


               cryptography.hazmat.bindings._openssl.ffi.new

[function] [call site] 00083


               cryptography.hazmat.bindings._openssl.ffi.new

[function] [call site] 00084


               backend._lib.DSA_sign

[function] [call site] 00085


               
                .len

[function] [call site] 00086


               cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00087


               cryptography.hazmat.backends.openssl.backend.Backend.openssl_assert

[function] [call site] 00088


               cryptography.hazmat.bindings._openssl.ffi.buffer

[function] [call site] 00089


           cryptography.hazmat.primitives.asymmetric.utils.Prehashed.__init__

[function] [call site] 00090


             
              .isinstance

[function] [call site] 00091


           cryptography.hazmat.backends.openssl.dsa._DSAPrivateKey.sign

[function] [call site] 00092


           cryptography.hazmat.backends.openssl.dsa._DSAPublicKey.verify

[function] [call site] 00093


             cryptography.hazmat.backends.openssl.utils._calculate_digest_and_algorithm

[function] [call site] 00094


             cryptography.hazmat.backends.openssl.dsa._dsa_sig_verify

[function] [call site] 00095


               backend._lib.DSA_verify

[function] [call site] 00096


               
                .len

[function] [call site] 00097


               
                .len

[function] [call site] 00098


               cryptography.hazmat.backends.openssl.backend.Backend._consume_errors

[function] [call site] 00099


                 cryptography.hazmat.bindings.openssl.binding._consume_errors

[function] [call site] 00100


           cryptography.hazmat.primitives.asymmetric.utils.Prehashed.__init__

[function] [call site] 00101


           cryptography.hazmat.backends.openssl.dsa._DSAPublicKey.verify

[function] [call site] 00102