Fuzz introspector: fuzz_verify_artifact
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
21 5 sigstore.models.Bundle.from_json call site: 00005 sigstore.models.Bundle.__init__

Fuzzer calltree

0 ...fuzz_verify_artifact.TestOneInput [function] [call site] 00000
1 atheris.FuzzedDataProvider [function] [call site] 00001
1 fdp.ConsumeIntInRange [function] [call site] 00002
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00003
1 sigstore.models.Bundle.from_json [function] [call site] 00004
2 sigstore_models.bundle.v1.Bundle.from_json [function] [call site] 00005
2 sigstore.models.Bundle.__init__ [function] [call site] 00006
3 sigstore.models.Bundle._verify [function] [call site] 00007
4 enum.Enum.__init__ [function] [call site] 00008
4 cryptography.x509.load_der_x509_certificate [function] [call site] 00009
4 cryptography.x509.load_der_x509_certificate [function] [call site] 00010
4 sigstore._utils.cert_is_leaf [function] [call site] 00011
5 sigstore._utils.cert_is_ca [function] [call site] 00012
6 cryptography.x509.load_der_x509_certificate.extensions.get_extension_for_oid [function] [call site] 00013
6 cryptography.x509.load_der_x509_certificate.extensions.get_extension_for_oid [function] [call site] 00014
5 cryptography.x509.load_der_x509_certificate.extensions.get_extension_for_oid [function] [call site] 00015
5 cryptography.x509.load_der_x509_certificate.extensions.get_extension_for_oid [function] [call site] 00016
4 sigstore._utils.cert_is_root_ca [function] [call site] 00017
5 sigstore._utils.cert_is_ca [function] [call site] 00018
5 cert.verify_directly_issued_by [function] [call site] 00019
4 _logger.warning [function] [call site] 00020
4 <builtin>.len [function] [call site] 00021
4 sigstore.models.TransparencyLogEntry.__init__ [function] [call site] 00022
5 sigstore.models.TransparencyLogEntry._validate [function] [call site] 00023
4 _logger.debug [function] [call site] 00024
1 fdp.ConsumeIntInRange [function] [call site] 00025
1 fdp.ConsumeBytes [function] [call site] 00026