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

Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity Unique Reachable Complexities Unique Reachable Functions All non-covered Complexity All Reachable Complexity Function Name Function Callsite Blocked Branch
331 376 4 :

['Botan::BER_Decoder::~BER_Decoder()', 'Botan::BER_Decoder::decode(bool&)', 'Botan::BER_Decoder::BER_Decoder(Botan::BER_Object&&)', 'Botan::BER_Decoder::verify_end()']

335 380 Botan::BER_Decoder&Botan::BER_Decoder::decode_optional (bool&,Botan::ASN1_Type,Botan::ASN1_Class,boolconst&) call site: 00000 /src/botan/build/include/botan/ber_dec.h:317
79 157 13 :

['__cxa_free_exception', 'std::__1::basic_string , std::__1::allocator >::operator std::__1::basic_string_view >() const', '__cxa_throw', 'Botan::OID::OID(std::__1::vector >&&)', 'std::__1::vector >::empty() const', 'Botan::(anonymous namespace)::parse_oid_str(std::__1::basic_string_view >)', 'std::__1::basic_string , std::__1::allocator > Botan::fmt > >(std::__1::basic_string_view >, std::__1::basic_string_view > const&)', 'std::__1::remove_reference >&>::type&& std::__1::move >&>(std::__1::vector >&)', 'std::__1::basic_string_view >::basic_string_view(char const*)', 'std::__1::basic_string , std::__1::allocator >::~basic_string()', 'std::__1::vector >::~vector()', '__cxa_allocate_exception', 'Botan::Lookup_Error::Lookup_Error(std::__1::basic_string_view >)']

87 165 Botan::OID::from_string(std::__1::basic_string_view >) call site: 00000 /src/botan/src/lib/asn1/asn1_oid.cpp:78
17 17 5 :

['__cxa_free_exception', '__cxa_throw', 'Botan::Invalid_State::Invalid_State(std::__1::basic_string_view >)', 'std::__1::basic_string_view >::basic_string_view(char const*)', '__cxa_allocate_exception']

17 17 Botan::BER_Decoder::push_back(Botan::BER_Objectconst&) call site: 00000 /src/botan/src/lib/asn1/ber_dec.cpp:271
17 17 5 :

['__cxa_free_exception', '__cxa_throw', 'Botan::Invalid_State::Invalid_State(std::__1::basic_string_view >)', 'std::__1::basic_string_view >::basic_string_view(char const*)', '__cxa_allocate_exception']

17 17 Botan::BER_Decoder::push_back(Botan::BER_Object&&) call site: 00000 /src/botan/src/lib/asn1/ber_dec.cpp:278
17 17 5 :

['__cxa_throw', '__cxa_free_exception', 'Botan::Invalid_State::Invalid_State(std::__1::basic_string_view >)', 'std::__1::basic_string_view >::basic_string_view(char const*)', '__cxa_allocate_exception']

17 17 Botan::Cert_Extension::CRL_Number::get_crl_number()const call site: 00000 /src/botan/src/lib/x509/x509_ext.cpp:664
11 11 1 :

['Botan::Invalid_State::Invalid_State(std::__1::basic_string_view >)']

17 17 Botan::BER_Decoder::end_cons() call site: 00000 /src/botan/src/lib/asn1/ber_dec.cpp:294
8 562 4 :

['Botan::BER_Decoder::~BER_Decoder()', 'Botan::BER_Decoder::BER_Decoder(Botan::BER_Object&&)', 'Botan::BER_Decoder::verify_end()', 'Botan::BER_Decoder::decode(unsigned long&)']

12 566 Botan::BER_Decoder&Botan::BER_Decoder::decode_optional (unsignedlong&,Botan::ASN1_Type,Botan::ASN1_Class,unsignedlongconst&) call site: 00000 /src/botan/build/include/botan/ber_dec.h:317
8 300 4 :

['Botan::BER_Decoder::~BER_Decoder()', 'Botan::BER_Decoder::BER_Decoder(Botan::BER_Object&&)', 'Botan::BER_Decoder::verify_end()', 'Botan::BER_Decoder& Botan::BER_Decoder::decode >(std::__1::vector >&, Botan::ASN1_Type)']

12 304 Botan::BER_Decoder&Botan::BER_Decoder::decode_optional_string >(std::__1::vector >&,Botan::ASN1_Type,unsignedint,Botan::ASN1_Class) call site: 00000 /src/botan/build/include/botan/ber_dec.h:277
6 17 7 :

['__cxa_free_exception', 'std::__1::basic_string , std::__1::allocator >::operator std::__1::basic_string_view >() const', '__cxa_throw', 'Botan::Invalid_Argument::Invalid_Argument(std::__1::basic_string_view >)', 'std::__1::basic_string , std::__1::allocator > std::__1::operator+ , std::__1::allocator >(std::__1::basic_string , std::__1::allocator >&&, char const*)', '__cxa_allocate_exception', 'std::__1::basic_string , std::__1::allocator > std::__1::operator+ , std::__1::allocator >(char const*, std::__1::basic_string , std::__1::allocator > const&)']

6 17 Botan::to_u32bit(std::__1::basic_string_view >) call site: 00000 /src/botan/src/lib/utils/parsing.cpp:46
0 11 1 :

['Botan::Invalid_Argument::Invalid_Argument(std::__1::basic_string_view >)']

6 17 Botan::OID::from_string(std::__1::basic_string_view >) call site: 00000 /src/botan/src/lib/asn1/asn1_oid.cpp:73
0 4 1 :

['Botan::OID::OID()']

0 4 Botan::OID_Map::str2oid(std::__1::basic_string_view >) call site: 00000 /src/botan/src/lib/asn1/oid_map.cpp:72
0 0 None 16 320 Botan::BER_Decoder::get_next_object() call site: 00000 /src/botan/src/lib/asn1/ber_dec.cpp:253

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fuzz(unsigned char const*, unsigned long) [function] [call site] 00001
2 Botan::DataSource_Memory::DataSource_Memory(unsigned char const*, unsigned long) [function] [call site] 00002
3 Botan::DataSource::DataSource() [function] [call site] 00003
2 Botan::X509_CRL::X509_CRL(Botan::DataSource&) [function] [call site] 00004
3 Botan::X509_Object::X509_Object() [function] [call site] 00005
4 Botan::ASN1_Object::ASN1_Object() [function] [call site] 00006
3 Botan::X509_Object::load_data(Botan::DataSource&) [function] [call site] 00007
4 Botan::ASN1::maybe_BER(Botan::DataSource&) [function] [call site] 00008
5 Botan::DataSource::peek_byte(unsigned char&) const [function] [call site] 00009
5 Botan::DataSource::read_byte(unsigned char&) [function] [call site] 00010
5 Botan::assertion_failure(char const*, char const*, char const*, char const*, int) [function] [call site] 00011
6 __cxa_allocate_exception [call site] 00012
6 Botan::Internal_Error::Internal_Error(std::__1::basic_string_view >) [function] [call site] 00013
7 Botan::Exception::Exception(char const*, std::__1::basic_string_view >) [function] [call site] 00014
8 std::exception::exception() [function] [call site] 00015
8 std::__1::basic_string , std::__1::allocator > Botan::fmt > >(std::__1::basic_string_view >, char const* const&, std::__1::basic_string_view > const&) [function] [call site] 00016
9 void Botan::fmt_detail::do_fmt > >(std::__1::basic_ostringstream , std::__1::allocator >&, std::__1::basic_string_view >, char const* const&, std::__1::basic_string_view > const&) [function] [call site] 00017
10 void Botan::fmt_detail::do_fmt >>(std::__1::basic_ostringstream , std::__1::allocator >&, std::__1::basic_string_view >, std::__1::basic_string_view > const&) [function] [call site] 00018
8 std::exception::~exception() [call site] 00019
5 __cxa_allocate_exception [call site] 00020
5 Botan::Stream_IO_Error::Stream_IO_Error(std::__1::basic_string_view >) [function] [call site] 00021
6 Botan::Exception::Exception(char const*, std::__1::basic_string_view >) [function] [call site] 00022
5 Botan::Exception::~Exception() [function] [call site] 00023
6 std::exception::~exception() [call site] 00024
4 Botan::PEM_Code::matches(Botan::DataSource&, std::__1::basic_string_view >, unsigned long) [function] [call site] 00025
5 std::__1::basic_string , std::__1::allocator > Botan::fmt > >(std::__1::basic_string_view >, std::__1::basic_string_view > const&) [function] [call site] 00026
4 Botan::BER_Decoder::BER_Decoder(Botan::DataSource&) [function] [call site] 00027
5 Botan::BER_Object::BER_Object() [function] [call site] 00028
4 Botan::BER_Decoder::~BER_Decoder() [function] [call site] 00029
5 Botan::BER_Object::~BER_Object() [function] [call site] 00030
4 Botan::PEM_Code::decode(Botan::DataSource&, std::__1::basic_string , std::__1::allocator >&) [function] [call site] 00031
5 Botan::DataSource::read_byte(unsigned char&) [function] [call site] 00032
5 __cxa_allocate_exception [call site] 00033
5 Botan::Decoding_Error::Decoding_Error(std::__1::basic_string_view >) [function] [call site] 00034
6 Botan::Exception::Exception(std::__1::basic_string_view >) [function] [call site] 00035
7 std::exception::exception() [function] [call site] 00036
7 std::exception::~exception() [call site] 00037
5 __cxa_throw [call site] 00038
5 __cxa_allocate_exception [call site] 00039
5 Botan::Decoding_Error::Decoding_Error(std::__1::basic_string_view >) [function] [call site] 00040
5 Botan::DataSource::read_byte(unsigned char&) [function] [call site] 00041
5 __cxa_allocate_exception [call site] 00042
5 Botan::Decoding_Error::Decoding_Error(std::__1::basic_string_view >) [function] [call site] 00043
5 __cxa_allocate_exception [call site] 00044
5 Botan::Decoding_Error::Decoding_Error(std::__1::basic_string_view >) [function] [call site] 00045
5 std::__1::basic_string , std::__1::allocator > Botan::fmt , std::__1::allocator > >(std::__1::basic_string_view >, std::__1::basic_string , std::__1::allocator > const&) [function] [call site] 00046
5 Botan::DataSource::read_byte(unsigned char&) [function] [call site] 00047
5 __cxa_allocate_exception [call site] 00048
5 Botan::Decoding_Error::Decoding_Error(std::__1::basic_string_view >) [function] [call site] 00049
5 __cxa_allocate_exception [call site] 00050
5 Botan::Decoding_Error::Decoding_Error(std::__1::basic_string_view >) [function] [call site] 00051
5 Botan::base64_decode(char const*, unsigned long, bool) [function] [call site] 00052
6 std::__1::vector > Botan::base_decode_to_vec >, Botan::(anonymous namespace)::Base64>(Botan::(anonymous namespace)::Base64&&, char const*, unsigned long, bool) [function] [call site] 00053
7 Botan::(anonymous namespace)::Base64::decode_max_output(unsigned long) [function] [call site] 00054
8 Botan::round_up(unsigned long, unsigned long) [function] [call site] 00055
9 Botan::throw_invalid_argument(char const*, char const*, char const*) [function] [call site] 00056
10 __cxa_allocate_exception [call site] 00057
10 std::__1::basic_string , std::__1::allocator > Botan::fmt (std::__1::basic_string_view >, char const* const&, char const* const&, char const* const&) [function] [call site] 00058
10 Botan::Invalid_Argument::Invalid_Argument(std::__1::basic_string_view >) [function] [call site] 00059
11 Botan::Exception::Exception(std::__1::basic_string_view >) [function] [call site] 00060
7 unsigned long Botan::base_decode_full (Botan::(anonymous namespace)::Base64&, unsigned char*, char const*, unsigned long, bool) [function] [call site] 00061
8 unsigned long Botan::base_decode (Botan::(anonymous namespace)::Base64&, unsigned char*, char const*, unsigned long, unsigned long&, bool, bool) [function] [call site] 00062
9 Botan::(anonymous namespace)::Base64::decode_max_output(unsigned long) [function] [call site] 00063
9 void Botan::clear_mem (unsigned char*, unsigned long) [function] [call site] 00064
10 Botan::clear_bytes(void*, unsigned long) [function] [call site] 00065
9 Botan::(anonymous namespace)::Base64::lookup_binary_value(char) [function] [call site] 00066
10 Botan::CT::Mask ::is_within_range(unsigned char, unsigned char, unsigned char) [function] [call site] 00067
11 unsigned char Botan::expand_top_bit (unsigned char) [function] [call site] 00068
11 Botan::CT::Mask ::Mask(unsigned char) [function] [call site] 00069
10 Botan::CT::Mask ::is_within_range(unsigned char, unsigned char, unsigned char) [function] [call site] 00070
10 Botan::CT::Mask ::is_within_range(unsigned char, unsigned char, unsigned char) [function] [call site] 00071
10 Botan::CT::Mask ::is_equal(unsigned char, unsigned char) [function] [call site] 00072
11 Botan::CT::Mask ::is_zero(unsigned char) [function] [call site] 00073
12 unsigned char Botan::ct_is_zero (unsigned char) [function] [call site] 00074
13 unsigned char Botan::expand_top_bit (unsigned char) [function] [call site] 00075
12 Botan::CT::Mask ::Mask(unsigned char) [function] [call site] 00076
10 Botan::CT::Mask ::is_equal(unsigned char, unsigned char) [function] [call site] 00077
10 Botan::CT::Mask ::is_equal(unsigned char, unsigned char) [function] [call site] 00078
10 Botan::CT::Mask ::is_any_of(unsigned char, std::initializer_list ) [function] [call site] 00079
11 unsigned char Botan::expand_top_bit (unsigned char) [function] [call site] 00080
11 Botan::CT::Mask ::Mask(unsigned char) [function] [call site] 00081
10 Botan::CT::Mask ::select(unsigned char, unsigned char) const [function] [call site] 00082
11 Botan::CT::Mask ::value() const [function] [call site] 00083
11 unsigned char Botan::choose (unsigned char, unsigned char, unsigned char) [function] [call site] 00084
10 Botan::CT::Mask ::select(unsigned char, unsigned char) const [function] [call site] 00085
10 Botan::CT::Mask ::select(unsigned char, unsigned char) const [function] [call site] 00086
10 Botan::CT::Mask ::select(unsigned char, unsigned char) const [function] [call site] 00087
10 Botan::CT::Mask ::select(unsigned char, unsigned char) const [function] [call site] 00088
10 __clang_call_terminate [call site] 00089
11 __cxa_begin_catch [call site] 00090
9 Botan::(anonymous namespace)::Base64::check_bad_char(unsigned char, char, bool) [function] [call site] 00091
10 __cxa_allocate_exception [call site] 00092
10 Botan::format_char_for_display(char) [function] [call site] 00093
10 std::__1::basic_string , std::__1::allocator > Botan::fmt , std::__1::allocator > >(std::__1::basic_string_view >, std::__1::basic_string , std::__1::allocator > const&) [function] [call site] 00094
10 Botan::Invalid_Argument::Invalid_Argument(std::__1::basic_string_view >) [function] [call site] 00095
9 Botan::(anonymous namespace)::Base64::decode(unsigned char*, unsigned char const*) [function] [call site] 00096
9 Botan::(anonymous namespace)::Base64::lookup_binary_value(char) [function] [call site] 00097
8 __cxa_allocate_exception [call site] 00098
8 Botan::(anonymous namespace)::Base64::name() [function] [call site] 00099
9 __clang_call_terminate [call site] 00100
8 Botan::Invalid_Argument::Invalid_Argument(std::__1::basic_string_view >) [function] [call site] 00101
4 Botan::DataSource_Memory::DataSource_Memory(std::__1::vector >) [function] [call site] 00102
5 Botan::DataSource::DataSource() [function] [call site] 00103
4 __cxa_allocate_exception [call site] 00104
4 Botan::Decoding_Error::Decoding_Error(std::__1::basic_string_view >) [function] [call site] 00105
4 Botan::BER_Decoder::BER_Decoder(Botan::DataSource&) [function] [call site] 00106
4 Botan::BER_Decoder::~BER_Decoder() [function] [call site] 00107
4 Botan::DataSource_Memory::~DataSource_Memory() [function] [call site] 00108
5 Botan::DataSource::~DataSource() [function] [call site] 00109
4 __cxa_allocate_exception [call site] 00110
4 Botan::Decoding_Error::Decoding_Error(std::__1::basic_string_view >, std::exception const&) [function] [call site] 00111
5 Botan::Exception::Exception(std::__1::basic_string_view >, std::exception const&) [function] [call site] 00112
6 std::exception::exception() [function] [call site] 00113
6 std::__1::basic_string , std::__1::allocator > Botan::fmt >, char const*>(std::__1::basic_string_view >, std::__1::basic_string_view > const&, char const* const&) [function] [call site] 00114
6 std::exception::~exception() [call site] 00115
4 __cxa_end_catch [call site] 00116
2 Botan::X509_CRL::~X509_CRL() [function] [call site] 00117
3 Botan::X509_Object::~X509_Object() [function] [call site] 00118
4 Botan::AlgorithmIdentifier::~AlgorithmIdentifier() [function] [call site] 00119
5 Botan::OID::~OID() [function] [call site] 00120
6 Botan::ASN1_Object::~ASN1_Object() [function] [call site] 00121
2 Botan::DataSource_Memory::~DataSource_Memory() [function] [call site] 00122
2 __cxa_begin_catch [call site] 00123