Project: botan

Language c++
OSS-Fuzz project link
Project repository link
Build status: Fuzzers succeeding: Build log
Build status: Code coverage succeeding: Build log
Build status: Fuzz Introspector succeeding: Build log
Fuzzer count 42
Lines of code 100395
Lines covered 40470
Code coverage 40.31%
Code coverage report Report link
Static reachability 0.30%
Fuzz Introspector report Report link (from 2026-10-28)
Fuzzer Code coverage (lines) Latest Report Comments
asn1 (plot) 19.26% (avg: 21.73%, max: 23.93%) 2026-10-28
barrett (plot) 39.91% (avg: 41.82%, max: 43.49%) 2026-10-28
bn_cmp (plot) 7.15% (avg: 8.86%, max: 10.34%) 2026-10-28
bn_sqr (plot) 32.35% (avg: 31.5%, max: 33.93%) 2026-10-28
cert (plot) 6.88% (avg: 7.33%, max: 7.92%) 2026-10-28
crl (plot) 5.08% (avg: 5.12%, max: 5.26%) 2026-10-28
divide (plot) 38.92% (avg: 40.56%, max: 41.99%) 2026-10-28
ec_scalar (plot) 17.96% (avg: 16.57%, max: 18.22%) 2026-10-28
ecc_bp256 (plot) 9.3% (avg: 9.34%, max: 9.59%) 2026-10-28
ecc_bp384 (plot) 9.94% (avg: 9.8%, max: 10.23%) 2026-10-28
ecc_bp512 (plot) 10.65% (avg: 10.34%, max: 10.96%) 2026-10-28
ecc_frp256 (plot) 9.37% (avg: 9.4%, max: 9.66%) 2026-10-28
ecc_numsp512 (plot) 10.88% (avg: 10.57%, max: 11.19%) 2026-10-28
ecc_p224 (plot) 9.62% (avg: 9.66%, max: 9.91%) 2026-10-28
ecc_p256 (plot) 9.42% (avg: 9.46%, max: 9.69%) 2026-10-28
ecc_p384 (plot) 10.14% (avg: 10.0%, max: 10.43%) 2026-10-28
ecc_p521 (plot) 10.47% (avg: 10.33%, max: 10.78%) 2026-10-28
ecc_secp256k1 (plot) 9.5% (avg: 9.55%, max: 9.79%) 2026-10-28
ecc_sm2p256 (plot) 9.55% (avg: 9.59%, max: 9.81%) 2026-10-28
gcd (plot) 8.16% (avg: 9.94%, max: 11.36%) 2026-10-28
invert (plot) 27.79% (avg: 29.29%, max: 30.13%) 2026-10-28
ipv4 (plot) 25.41% (avg: 25.0%, max: 25.41%) 2026-10-28
mem_pool (plot) 29.83% (avg: 29.68%, max: 29.83%) 2026-10-28
mode_padding (plot) 17.52% (avg: 17.5%, max: 17.52%) 2026-10-28
mp_comba_mul (plot) 37.52% (avg: 39.68%, max: 41.56%) 2026-10-28
mp_comba_sqr (plot) 60.31% (avg: 62.1%, max: 63.63%) 2026-10-28
mp_redc_crandall (plot) 13.17% (avg: 13.98%, max: 14.71%) 2026-10-28
oaep (plot) 1.36% (avg: 1.38%, max: 1.42%) 2026-10-28
ocsp (plot) 2.62% (avg: 2.67%, max: 2.76%) 2026-10-28
os2ecp (plot) 16.03% (avg: 14.55%, max: 16.29%) 2026-10-28
pkcs1 (plot) 2.04% (avg: 2.06%, max: 2.12%) 2026-10-28
pkcs8 (plot) 22.22% (avg: 21.63%, max: 22.24%) 2026-10-28
ressol (plot) 10.13% (avg: 10.0%, max: 10.38%) 2026-10-28
tls_13_handshake_layer (plot) 6.48% (avg: 6.76%, max: 7.17%) 2026-10-28
tls_client (plot) 27.86% (avg: 24.97%, max: 28.45%) 2026-10-28
tls_client_hello (plot) 2.94% (avg: 3.14%, max: 3.41%) 2026-10-28
tls_server (plot) 20.97% (avg: 20.31%, max: 21.56%) 2026-10-28
uri (plot) 31.98% (avg: 31.74%, max: 31.98%) 2026-10-28
x509_dn (plot) 11.09% (avg: 12.43%, max: 13.64%) 2026-10-28
x509_path (plot) 23.01% (avg: 22.37%, max: 23.76%) 2026-10-28

Historical Progression

Per Fuzzer Progression

This section shows graphs for the coverage results per fuzz target over the past 30 days. Included are the coverage percentage, total number of lines, covered number of lines, and the number of coverage inputs.

Functions of interest to fuzz

This section outlines functions that may be of interest to fuzz. They are based on ranking functions that have a lot of complexity but currently exhibit low code coverage. The complexity is calculated based on the function itself as well as the functions called by the given function, i.e. the tree of code that the function triggers.


This is only a minor amount of introspection information available for this project. Please consult the Fuzz Introspector report for more information, e.g. the introspection table of all functions in the target project available here.

Function name Function source file Accumulated cyclomatic complexity Code coverage
X509_Cert_Unit_Tests::run /src/botan/src/tests/unit_x509.cpp 824 0.0%
test_hash_based_sig_default_trusted_hashes /src/botan/src/tests/unit_x509.cpp 800 0.0%
PK_Signature_Options_Test::run /src/botan/src/tests/test_pk_sig_options.cpp 397 0.0%
Botan_Tests::PKCS12_Tests::run /src/botan/src/tests/test_pkcs12.cpp 394 0.0%
Botan_Tests::PK_PQC_KEM_KAT_Test::run_one_test /src/botan/src/tests/test_pubkey_pqc.h 356 0.0%
Botan_Tests::test_x509_as_blocks_path_validation_failure_builder /src/botan/src/tests/test_x509_rpki.cpp 353 0.0%
Botan_Tests::test_x509_as_blocks_path_validation_failure_ctor /src/botan/src/tests/test_x509_rpki.cpp 350 0.0%
Botan_Tests::PKCS12_Tests::test_chain_with_pbes2 /src/botan/src/tests/test_pkcs12.cpp 347 0.0%
Botan_Tests::PKCS12_Tests::test_roundtrip_with_chain /src/botan/src/tests/test_pkcs12.cpp 346 0.0%
test_x509_encode_authority_info_access_extension /src/botan/src/tests/unit_x509.cpp 344 0.0%