Fuzz introspector: crl_parse_issuing_distribution_point_fuzzer
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
10 39 4 :

['bssl::der::Input::subspan(unsigned long, unsigned long) const', 'std::__1::pair & std::__1::vector , std::__1::allocator > >::emplace_back (bssl::der::Input&, bssl::der::Input&)', 'bssl::der::Input::first(unsigned long) const', 'bssl::IsValidNetmask(bssl::der::Input)']

14 87 bssl::ParseGeneralName(bssl::der::Input,bssl::GeneralNames::ParseGeneralNameIPAddressType,bssl::GeneralNames*,bssl::CertErrors*) call site: 00000 /src/boringssl/pki/general_names.cc:175
2 2 1 :

['abort']

2 2 bssl::Span ::operator[](unsignedlong)const call site: 00000 /src/boringssl/include/openssl/span.h:165
2 2 1 :

['abort']

2 2 bssl::Span ::subspan(unsignedlong,unsignedlong)const call site: 00000 /src/boringssl/include/openssl/span.h:173
0 7 1 :

['CBS_get_bytes']

0 7 cbs_get_any_asn1_element(cbs_st*,cbs_st*,unsignedint*,unsignedlong*,int*,int*,int) call site: 00000 /src/boringssl/crypto/bytestring/cbs.cc:379
0 7 1 :

['CBS_get_bytes']

0 7 cbs_get_any_asn1_element(cbs_st*,cbs_st*,unsignedint*,unsignedlong*,int*,int*,int) call site: 00000 /src/boringssl/crypto/bytestring/cbs.cc:387
0 0 None 14 327 bssl::ParseGeneralName(bssl::der::Input,bssl::GeneralNames::ParseGeneralNameIPAddressType,bssl::GeneralNames*,bssl::CertErrors*) call site: 00000 /src/boringssl/pki/general_names.cc:116
0 0 None 2 9 bssl::der::Parser::ReadTagAndValue(unsignedint*,bssl::der::Input*) call site: 00000 /src/boringssl/pki/parser.cc:62
0 0 None 0 100 bssl::der::Parser::ReadConstructed(unsignedint,bssl::der::Parser*) call site: 00000 /src/boringssl/pki/parser.cc:123
0 0 None 0 49 cbs_get_any_asn1_element(cbs_st*,cbs_st*,unsignedint*,unsignedlong*,int*,int*,int) call site: 00000 /src/boringssl/crypto/bytestring/cbs.cc:312
0 0 None 0 49 cbs_get_any_asn1_element(cbs_st*,cbs_st*,unsignedint*,unsignedlong*,int*,int*,int) call site: 00000 /src/boringssl/crypto/bytestring/cbs.cc:315
0 0 None 0 14 bssl::der::ByteReader::ReadByte(unsignedchar*) call site: 00000 /src/boringssl/pki/input.cc:29
0 0 None 0 7 cbs_get_any_asn1_element(cbs_st*,cbs_st*,unsignedint*,unsignedlong*,int*,int*,int) call site: 00000 /src/boringssl/crypto/bytestring/cbs.cc:354

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 bssl::der::Input::Input(unsigned char const*, unsigned long) [function] [call site] 00001
2 bssl::Span<unsigned char const>::Span(unsigned char const*, unsigned long) [function] [call site] 00002
1 bssl::ParseIssuingDistributionPoint(bssl::der::Input, std::__1::unique_ptr<bssl::GeneralNames, std::__1::default_delete<bssl::GeneralNames> >*, bssl::ContainedCertsType*) [function] [call site] 00003
2 bssl::der::Parser::Parser(bssl::der::Input) [function] [call site] 00004
3 bssl::der::Input::data() const [function] [call site] 00005
4 bssl::Span<unsigned char const>::data() const [function] [call site] 00006
3 bssl::der::Input::size() const [function] [call site] 00007
4 bssl::Span<unsigned char const>::size() const [function] [call site] 00008
3 CBS_init [function] [call site] 00009
2 bssl::der::Parser::Parser() [function] [call site] 00010
3 CBS_init [function] [call site] 00011
2 bssl::der::Parser::ReadSequence(bssl::der::Parser*) [function] [call site] 00012
3 bssl::der::Parser::ReadConstructed(unsigned int, bssl::der::Parser*) [function] [call site] 00013
4 bssl::der::Input::Input() [function] [call site] 00014
5 bssl::Span<unsigned char const>::Span() [function] [call site] 00015
6 bssl::Span<unsigned char const>::Span(unsigned char const*, unsigned long) [function] [call site] 00016
4 bssl::der::Parser::ReadTag(unsigned int, bssl::der::Input*) [function] [call site] 00017
5 bssl::der::Input::Input() [function] [call site] 00018
5 bssl::der::Parser::PeekTagAndValue(unsigned int*, bssl::der::Input*) [function] [call site] 00019
6 CBS_get_any_asn1_element [function] [call site] 00020
7 cbs_get_any_asn1_element(cbs_st*, cbs_st*, unsigned int*, unsigned long*, int*, int*, int) [function] [call site] 00021
8 __assert_fail [call site] 00022
8 __assert_fail [call site] 00023
8 parse_asn1_tag(cbs_st*, unsigned int*) [function] [call site] 00024
9 CBS_get_u8 [function] [call site] 00025
10 cbs_get(cbs_st*, unsigned char const**, unsigned long) [function] [call site] 00026
9 parse_base128_integer(cbs_st*, unsigned long*) [function] [call site] 00027
10 CBS_get_u8 [function] [call site] 00028
8 CBS_get_u8 [function] [call site] 00029
8 CBS_len [function] [call site] 00030
8 CBS_get_bytes [function] [call site] 00031
9 cbs_get(cbs_st*, unsigned char const**, unsigned long) [function] [call site] 00032
9 CBS_init [function] [call site] 00033
8 cbs_get_u(cbs_st*, unsigned long*, unsigned long) [function] [call site] 00034
9 cbs_get(cbs_st*, unsigned char const**, unsigned long) [function] [call site] 00035
8 CBS_get_bytes [function] [call site] 00036
6 CBS_skip [function] [call site] 00037
7 cbs_get(cbs_st*, unsigned char const**, unsigned long) [function] [call site] 00038
6 CBS_len [function] [call site] 00039
6 CBS_data [function] [call site] 00040
6 CBS_len [function] [call site] 00041
6 bssl::der::Input::Input(unsigned char const*, unsigned long) [function] [call site] 00042
5 bssl::der::Parser::Advance() [function] [call site] 00043
6 CBS_skip [function] [call site] 00044
5 abort [call site] 00045
4 bssl::der::Parser::Parser(bssl::der::Input) [function] [call site] 00046
2 bssl::der::Parser::HasMore() [function] [call site] 00047
3 CBS_len [function] [call site] 00048
2 bssl::der::Parser::ReadOptionalTag(unsigned int, std::__1::optional<bssl::der::Input>*) [function] [call site] 00049
3 bssl::der::Parser::HasMore() [function] [call site] 00050
3 bssl::der::Input::Input() [function] [call site] 00051
3 bssl::der::Parser::PeekTagAndValue(unsigned int*, bssl::der::Input*) [function] [call site] 00052
3 bssl::der::Parser::Advance() [function] [call site] 00053
3 abort [call site] 00054
2 std::__1::optional<bssl::der::Input>::operator*[abi:ne180100]() & [function] [call site] 00055
3 std::__1::__optional_storage_base<bssl::der::Input, false>::__get[abi:ne180100]() & [function] [call site] 00056
2 bssl::der::Parser::Parser(bssl::der::Input) [function] [call site] 00057
2 bssl::der::Parser::ReadOptionalTag(unsigned int, std::__1::optional<bssl::der::Input>*) [function] [call site] 00058
2 bssl::CertErrors::CertErrors() [function] [call site] 00059
2 std::__1::optional<bssl::der::Input>::operator*[abi:ne180100]() & [function] [call site] 00060
2 bssl::GeneralNames::CreateFromValue(bssl::der::Input, bssl::CertErrors*) [function] [call site] 00061
3 bssl::der::Parser::Parser(bssl::der::Input) [function] [call site] 00062
3 bssl::der::Parser::HasMore() [function] [call site] 00063
3 bssl::CertErrors::AddError(void const*) [function] [call site] 00064
4 bssl::CertErrors::AddError(void const*, std::__1::unique_ptr<bssl::CertErrorParams, std::__1::default_delete<bssl::CertErrorParams> >) [function] [call site] 00065
5 bssl::CertErrors::Add(bssl::CertError::Severity, void const*, std::__1::unique_ptr<bssl::CertErrorParams, std::__1::default_delete<bssl::CertErrorParams> >) [function] [call site] 00066
3 bssl::der::Parser::HasMore() [function] [call site] 00067
3 bssl::der::Input::Input() [function] [call site] 00068
3 bssl::der::Parser::ReadRawTLV(bssl::der::Input*) [function] [call site] 00069
4 CBS_get_any_asn1_element [function] [call site] 00070
4 CBS_data [function] [call site] 00071
4 CBS_len [function] [call site] 00072
4 bssl::der::Input::Input(unsigned char const*, unsigned long) [function] [call site] 00073
3 bssl::CertErrors::AddError(void const*) [function] [call site] 00074
3 bssl::ParseGeneralName(bssl::der::Input, bssl::GeneralNames::ParseGeneralNameIPAddressType, bssl::GeneralNames*, bssl::CertErrors*) [function] [call site] 00075
4 abort [call site] 00076
4 bssl::der::Parser::Parser(bssl::der::Input) [function] [call site] 00077
4 bssl::der::Input::Input() [function] [call site] 00078
4 bssl::der::Parser::ReadTagAndValue(unsigned int*, bssl::der::Input*) [function] [call site] 00079
5 bssl::der::Parser::PeekTagAndValue(unsigned int*, bssl::der::Input*) [function] [call site] 00080
5 bssl::der::Parser::Advance() [function] [call site] 00081
5 abort [call site] 00082
4 bssl::Span<unsigned char const>::Span<bssl::der::Input, void, bssl::der::Input>(bssl::der::Input const&) [function] [call site] 00083
5 bssl::der::Input::data() const [function] [call site] 00084
5 bssl::der::Input::size() const [function] [call site] 00085
4 bssl::BytesAsStringView(bssl::Span<unsigned char const>) [function] [call site] 00086
5 bssl::Span<unsigned char const>::data() const [function] [call site] 00087
5 bssl::Span<unsigned char const>::size() const [function] [call site] 00088
4 bssl::string_util::IsAscii(std::__1::basic_string_view<char, std::__1::char_traits<char> >) [function] [call site] 00089
4 bssl::CertErrors::AddError(void const*) [function] [call site] 00090
4 bssl::Span<unsigned char const>::Span<bssl::der::Input, void, bssl::der::Input>(bssl::der::Input const&) [function] [call site] 00091
4 bssl::BytesAsStringView(bssl::Span<unsigned char const>) [function] [call site] 00092
4 bssl::string_util::IsAscii(std::__1::basic_string_view<char, std::__1::char_traits<char> >) [function] [call site] 00093
4 bssl::CertErrors::AddError(void const*) [function] [call site] 00094
4 bssl::der::Parser::Parser(bssl::der::Input) [function] [call site] 00095
4 bssl::der::Input::Input() [function] [call site] 00096
4 bssl::der::Parser::ReadTag(unsigned int, bssl::der::Input*) [function] [call site] 00097
4 bssl::der::Parser::HasMore() [function] [call site] 00098
4 bssl::Span<unsigned char const>::Span<bssl::der::Input, void, bssl::der::Input>(bssl::der::Input const&) [function] [call site] 00099
4 bssl::BytesAsStringView(bssl::Span<unsigned char const>) [function] [call site] 00100
4 bssl::string_util::IsAscii(std::__1::basic_string_view<char, std::__1::char_traits<char> >) [function] [call site] 00101
4 bssl::CertErrors::AddError(void const*) [function] [call site] 00102
4 bssl::der::Input::size() const [function] [call site] 00103
4 bssl::der::Input::size() const [function] [call site] 00104
4 bssl::CertErrors::AddError(void const*) [function] [call site] 00105
4 abort [call site] 00106
4 bssl::der::Input::size() const [function] [call site] 00107
4 bssl::der::Input::size() const [function] [call site] 00108
4 bssl::CertErrors::AddError(void const*) [function] [call site] 00109
4 bssl::der::Input::size() const [function] [call site] 00110
4 bssl::der::Input::first(unsigned long) const [function] [call site] 00111
5 bssl::Span<unsigned char const>::first(unsigned long) const [function] [call site] 00112
6 abort [call site] 00113
6 bssl::Span<unsigned char const>::Span(unsigned char const*, unsigned long) [function] [call site] 00114
5 bssl::der::Input::Input(bssl::Span<unsigned char const>) [function] [call site] 00115
4 bssl::der::Input::size() const [function] [call site] 00116
4 bssl::der::Input::subspan(unsigned long, unsigned long) const [function] [call site] 00117
5 bssl::Span<unsigned char const>::subspan(unsigned long, unsigned long) const [function] [call site] 00118
6 abort [call site] 00119
6 bssl::Span<unsigned char const>::Span(unsigned char const*, unsigned long) [function] [call site] 00120
5 bssl::der::Input::Input(bssl::Span<unsigned char const>) [function] [call site] 00121
4 bssl::IsValidNetmask(bssl::der::Input) [function] [call site] 00122
5 bssl::der::Input::size() const [function] [call site] 00123
5 bssl::der::Input::operator[](unsigned long) const [function] [call site] 00124
6 bssl::Span<unsigned char const>::operator[](unsigned long) const [function] [call site] 00125
7 abort [call site] 00126
5 bssl::der::Input::size() const [function] [call site] 00127
5 bssl::der::Input::operator[](unsigned long) const [function] [call site] 00128
4 bssl::CertErrors::AddError(void const*) [function] [call site] 00129
4 bssl::CreateCertErrorParams1SizeT(char const*, unsigned long) [function] [call site] 00130
5 abort [call site] 00131
4 bssl::CertErrors::AddError(void const*, std::__1::unique_ptr<bssl::CertErrorParams, std::__1::default_delete<bssl::CertErrorParams> >) [function] [call site] 00132
4 abort [call site] 00133
3 bssl::CertErrors::AddError(void const*) [function] [call site] 00134
2 bssl::CertErrors::~CertErrors() [function] [call site] 00135
2 bssl::der::Parser::HasMore() [function] [call site] 00136
2 bssl::der::Parser::ReadOptionalTag(unsigned int, std::__1::optional<bssl::der::Input>*) [function] [call site] 00137
2 std::__1::optional<bssl::der::Input>::operator*[abi:ne180100]() & [function] [call site] 00138
2 bssl::der::ParseBool(bssl::der::Input, bool*) [function] [call site] 00139
3 bssl::der::(anonymous namespace)::ParseBoolInternal(bssl::der::Input, bool*, bool) [function] [call site] 00140
4 bssl::der::ByteReader::ByteReader(bssl::der::Input) [function] [call site] 00141
5 bssl::Span<unsigned char const>::Span<bssl::der::Input, void, bssl::der::Input>(bssl::der::Input const&) [function] [call site] 00142
4 bssl::der::ByteReader::ReadByte(unsigned char*) [function] [call site] 00143
5 bssl::der::ByteReader::HasMore() [function] [call site] 00144
6 bssl::Span<unsigned char const>::empty() const [function] [call site] 00145
5 bssl::Span<unsigned char const>::operator[](unsigned long) const [function] [call site] 00146
5 bssl::der::ByteReader::Advance(unsigned long) [function] [call site] 00147
6 bssl::Span<unsigned char const>::size() const [function] [call site] 00148
6 abort [call site] 00149
6 bssl::Span<unsigned char const>::subspan(unsigned long, unsigned long) const [function] [call site] 00150
2 bssl::der::Parser::ReadOptionalTag(unsigned int, std::__1::optional<bssl::der::Input>*) [function] [call site] 00151
2 std::__1::optional<bssl::der::Input>::operator*[abi:ne180100]() & [function] [call site] 00152
2 bssl::der::ParseBool(bssl::der::Input, bool*) [function] [call site] 00153
2 bssl::der::Parser::HasMore() [function] [call site] 00154
1 abort [call site] 00155