Fuzz introspector: FulcioVerifierFuzzer
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
75 0 EP call site: 00000 [dev.sigstore.fulcio.client.FulcioVerifier].newFulcioVerifier(java.util.List ,java.util.List )

Fuzzer calltree

0 [fuzzing.FulcioVerifierFuzzer].fuzzerTestOneInput(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00000
1 [util.Tuf].certificateAuthoritiesFrom(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00001
2 [util.Tuf].genCA(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00002
3 [dev.sigstore.trustroot.ImmutableCertificateAuthority].builder() [function] [call site] 00003
3 [dev.sigstore.trustroot.ImmutableValidFor].builder() [function] [call site] 00004
3 [util.Tuf].start(util.Tuf) [function] [call site] 00005
3 [util.Tuf].build() [function] [call site] 00006
3 [util.Tuf].validFor(util.Tuf) [function] [call site] 00007
3 [dev.sigstore.trustroot.ImmutableSubject].builder() [function] [call site] 00008
3 [util.Tuf].commonName(String) [function] [call site] 00009
3 [util.Tuf].organization(String) [function] [call site] 00010
3 [util.Tuf].build() [function] [call site] 00011
3 [util.Tuf].subject(util.Tuf) [function] [call site] 00012
3 [util.Tuf].genCertPath(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00013
4 [java.util.ArrayList].<init>() [function] [call site] 00014
4 [java.security.cert.CertificateFactory].getInstance(String) [function] [call site] 00015
4 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeBytes(int) [function] [call site] 00016
4 [java.io.ByteArrayInputStream].<init>(byte[]) [function] [call site] 00017
4 [util.Tuf].generateCertificate(java.io.ByteArrayInputStream) [function] [call site] 00018
4 [java.util.ArrayList].add(util.Tuf) [function] [call site] 00019
4 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeBytes(int) [function] [call site] 00020
4 [java.io.ByteArrayInputStream].<init>(byte[]) [function] [call site] 00021
4 [util.Tuf].generateCertificate(java.io.ByteArrayInputStream) [function] [call site] 00022
4 [java.util.ArrayList].add(util.Tuf) [function] [call site] 00023
4 [util.Tuf].generateCertPath(java.util.ArrayList) [function] [call site] 00024
3 [util.Tuf].certPath(java.security.cert.CertPath) [function] [call site] 00025
3 [java.net.URI].create(String) [function] [call site] 00026
3 [util.Tuf].uri(util.Tuf) [function] [call site] 00027
3 [util.Tuf].build() [function] [call site] 00028
2 [java.util.List].of(dev.sigstore.trustroot.CertificateAuthority) [function] [call site] 00029
1 [util.Tuf].transparencyLogsFrom(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00030
2 [util.Tuf].genTlog(com.code_intelligence.jazzer.api.FuzzedDataProvider) [function] [call site] 00031
3 [dev.sigstore.trustroot.ImmutablePublicKey].builder() [function] [call site] 00032
3 [util.Tuf].keyDetails(String) [function] [call site] 00033
3 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeBytes(int) [function] [call site] 00034
3 [util.Tuf].rawBytes(byte[]) [function] [call site] 00035
3 [dev.sigstore.trustroot.ImmutableValidFor].builder() [function] [call site] 00036
3 [util.Tuf].start(util.Tuf) [function] [call site] 00037
3 [util.Tuf].build() [function] [call site] 00038
3 [util.Tuf].validFor(util.Tuf) [function] [call site] 00039
3 [util.Tuf].build() [function] [call site] 00040
3 [com.google.common.hash.Hashing].sha256() [function] [call site] 00041
3 [util.Tuf].getRawBytes() [function] [call site] 00042
3 [util.Tuf].hashBytes(util.Tuf) [function] [call site] 00043
3 [util.Tuf].asBytes() [function] [call site] 00044
3 [dev.sigstore.trustroot.ImmutableTransparencyLog].builder() [function] [call site] 00045
3 [java.net.URI].create(String) [function] [call site] 00046
3 [util.Tuf].baseUrl(util.Tuf) [function] [call site] 00047
3 [util.Tuf].hashAlgorithm(String) [function] [call site] 00048
3 [util.Tuf].publicKey(util.Tuf) [function] [call site] 00049
3 [dev.sigstore.trustroot.ImmutableLogId].builder() [function] [call site] 00050
3 [util.Tuf].keyId(util.Tuf) [function] [call site] 00051
3 [util.Tuf].build() [function] [call site] 00052
3 [util.Tuf].logId(util.Tuf) [function] [call site] 00053
3 [util.Tuf].build() [function] [call site] 00054
2 [java.util.List].of(dev.sigstore.trustroot.TransparencyLog) [function] [call site] 00055
1 [java.util.ArrayList].<init>() [function] [call site] 00056
1 [java.security.cert.CertificateFactory].getInstance(String) [function] [call site] 00057
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeBytes(int) [function] [call site] 00058
1 [java.io.ByteArrayInputStream].<init>(byte[]) [function] [call site] 00059
1 [fuzzing.FulcioVerifierFuzzer].generateCertificate(java.io.ByteArrayInputStream) [function] [call site] 00060
1 [java.util.ArrayList].add(fuzzing.FulcioVerifierFuzzer) [function] [call site] 00061
1 [com.code_intelligence.jazzer.api.FuzzedDataProvider].consumeRemainingAsBytes() [function] [call site] 00062
1 [java.io.ByteArrayInputStream].<init>(byte[]) [function] [call site] 00063
1 [fuzzing.FulcioVerifierFuzzer].generateCertificate(java.io.ByteArrayInputStream) [function] [call site] 00064
1 [java.util.ArrayList].add(fuzzing.FulcioVerifierFuzzer) [function] [call site] 00065
1 [fuzzing.FulcioVerifierFuzzer].generateCertPath(java.util.ArrayList) [function] [call site] 00066
1 [dev.sigstore.fulcio.client.FulcioVerifier].newFulcioVerifier(java.util.List<dev.sigstore.trustroot.CertificateAuthority>,java.util.List<dev.sigstore.trustroot.TransparencyLog>) [function] [call site] 00067
2 [java.util.ArrayList].<init>() [function] [call site] 00068
2 [dev.sigstore.fulcio.client.FulcioVerifier].toJavaPublicKey() [function] [call site] 00069
2 [dev.sigstore.fulcio.client.FulcioVerifier].toString() [function] [call site] 00070
2 [dev.sigstore.encryption.certificates.transparency.CTLogInfo].<init>(dev.sigstore.fulcio.client.FulcioVerifier,String,dev.sigstore.fulcio.client.FulcioVerifier) [function] [call site] 00071
2 [java.util.ArrayList].add(dev.sigstore.encryption.certificates.transparency.CTLogInfo) [function] [call site] 00072
2 [dev.sigstore.encryption.certificates.transparency.CTVerifier].<init>() [function] [call site] 00073
2 [dev.sigstore.fulcio.client.FulcioVerifier].<init>(java.util.List<dev.sigstore.trustroot.CertificateAuthority>,java.util.List<dev.sigstore.trustroot.TransparencyLog>,dev.sigstore.encryption.certificates.transparency.CTVerifier) [function] [call site] 00074
1 [dev.sigstore.fulcio.client.FulcioVerifier].verifySigningCertificate(fuzzing.FulcioVerifierFuzzer) [function] [call site] 00075