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
11	11	1 : View List ['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:296
0	0	None	16	320	Botan::BER_Decoder::get_next_object()	call site: 00000	/src/botan/src/lib/asn1/ber_dec.cpp:255
0	0	None	8	8	Botan::allocate_memory(unsignedlong,unsignedlong)	call site: 00000	/src/botan/src/lib/utils/allocator.cpp:27
0	0	4 : View List ['std::__1::basic_string_view >::size() const', 'std::__1::basic_string_view >::operator[](unsigned long) const', 'std::__1::basic_ostream >& std::__1::operator<< >(std::__1::basic_ostream >&, char)', 'std::__1::basic_string_view >::at(unsigned long) const']	0	9	voidBotan::fmt_detail::do_fmt >,unsignedint>(std::__1::basic_ostringstream ,std::__1::allocator >&,std::__1::basic_string_view >,std::__1::basic_string_view >const&,unsignedintconst&)	call site: 00000	/src/botan/build/include/internal/botan/internal/fmt.h:29
0	0	None	0	0	Botan::ASN1_String::ASN1_String(std::__1::basic_string_view >,Botan::ASN1_Type)	call site: 00000	/src/botan/src/lib/asn1/asn1_str.cpp:65
0	0	None	0	0	Botan::(anonymousnamespace)::choose_encoding(std::__1::basic_string_view >)	call site: 00000	/src/botan/src/lib/asn1/asn1_str.cpp:40

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           fuzz(unsigned char const*, unsigned long)

[function] [call site] 00001


             Botan::X509_DN::X509_DN()

[function] [call site] 00002


               Botan::ASN1_Object::ASN1_Object()

[function] [call site] 00003


             Botan::X509_DN::X509_DN()

[function] [call site] 00004


             Botan::BER_Decoder::BER_Decoder(unsigned char const*, unsigned long)

[function] [call site] 00005


               Botan::BER_Object::BER_Object()

[function] [call site] 00006


               Botan::BER_Object::~BER_Object()

[function] [call site] 00007


             Botan::X509_DN::decode_from(Botan::BER_Decoder&)

[function] [call site] 00008


               Botan::BER_Decoder::start_sequence()

[function] [call site] 00009


                 Botan::BER_Decoder::start_cons(Botan::ASN1_Type, Botan::ASN1_Class)

[function] [call site] 00010


                   Botan::BER_Decoder::get_next_object()

[function] [call site] 00011


                     Botan::BER_Object::BER_Object()

[function] [call site] 00012


                     Botan::BER_Object::is_set() const

[function] [call site] 00013


                     Botan::(anonymous namespace)::decode_tag(Botan::DataSource*, Botan::ASN1_Type&, Botan::ASN1_Class&)

[function] [call site] 00014


                       Botan::DataSource::read_byte(unsigned char&)

[function] [call site] 00015


                       Botan::DataSource::read_byte(unsigned char&)

[function] [call site] 00016


                       __cxa_allocate_exception

[call site] 00017


                       Botan::BER_Decoding_Error::BER_Decoding_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00018


                         std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > Botan::fmt<std::__1::basic_string_view<char, std::__1::char_traits<char> > >(std::__1::basic_string_view<char, std::__1::char_traits<char> >, std::__1::basic_string_view<char, std::__1::char_traits<char> > const&)

[function] [call site] 00019


                           void Botan::fmt_detail::do_fmt<std::__1::basic_string_view<char, std::__1::char_traits<char> >>(std::__1::basic_ostringstream<char, std::__1::char_traits<char>, std::__1::allocator<char> >&, std::__1::basic_string_view<char, std::__1::char_traits<char> >, std::__1::basic_string_view<char, std::__1::char_traits<char> > const&)

[function] [call site] 00020


                             Botan::fmt_detail::do_fmt(std::__1::basic_ostringstream<char, std::__1::char_traits<char>, std::__1::allocator<char> >&, std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00021


                         Botan::Decoding_Error::Decoding_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00022


                           Botan::Exception::Exception(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00023


                             std::exception::exception()

[function] [call site] 00024


                             std::exception::~exception()

[call site] 00025


                       Botan::Exception::~Exception()

[function] [call site] 00026


                         std::exception::~exception()

[call site] 00027


                       __cxa_allocate_exception

[call site] 00028


                       Botan::BER_Decoding_Error::BER_Decoding_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00029


                       Botan::Exception::~Exception()

[function] [call site] 00030


                       __cxa_free_exception

[call site] 00031


                     Botan::BER_Object::set_tagging(Botan::ASN1_Type, Botan::ASN1_Class)

[function] [call site] 00032


                     Botan::BER_Object::is_set() const

[function] [call site] 00033


                     Botan::(anonymous namespace)::decode_length(Botan::DataSource*, unsigned long&, unsigned long)

[function] [call site] 00034


                       Botan::DataSource::read_byte(unsigned char&)

[function] [call site] 00035


                       __cxa_allocate_exception

[call site] 00036


                       Botan::BER_Decoding_Error::BER_Decoding_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00037


                       Botan::Exception::~Exception()

[function] [call site] 00038


                       __cxa_allocate_exception

[call site] 00039


                       Botan::BER_Decoding_Error::BER_Decoding_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00040


                       Botan::Exception::~Exception()

[function] [call site] 00041


                       __cxa_allocate_exception

[call site] 00042


                       Botan::BER_Decoding_Error::BER_Decoding_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00043


                       Botan::Exception::~Exception()

[function] [call site] 00044


                       Botan::(anonymous namespace)::find_eoc(Botan::DataSource*, unsigned long)

[function] [call site] 00045


                         std::__1::vector<unsigned char, Botan::secure_allocator<unsigned char> >& Botan::operator+=<unsigned char, Botan::secure_allocator<unsigned char>, unsigned long>(std::__1::vector<unsigned char, Botan::secure_allocator<unsigned char> >&, std::__1::pair<unsigned char*, unsigned long> const&)

[function] [call site] 00046


                         Botan::DataSource_Memory::DataSource_Memory(std::__1::vector<unsigned char, Botan::secure_allocator<unsigned char> >)

[function] [call site] 00047


                         Botan::(anonymous namespace)::decode_tag(Botan::DataSource*, Botan::ASN1_Type&, Botan::ASN1_Class&)

[function] [call site] 00048


                         Botan::(anonymous namespace)::decode_length(Botan::DataSource*, unsigned long&, unsigned long)

[function] [call site] 00049


                           unsigned char Botan::get_byte<0ul, unsigned long>(unsigned long)

[function] [call site] 00050


                           __cxa_allocate_exception

[call site] 00051


                           Botan::BER_Decoding_Error::BER_Decoding_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00052


                           Botan::Exception::~Exception()

[function] [call site] 00053


                           Botan::DataSource::read_byte(unsigned char&)

[function] [call site] 00054


                           __cxa_allocate_exception

[call site] 00055


                           Botan::BER_Decoding_Error::BER_Decoding_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00056


                           Botan::Exception::~Exception()

[function] [call site] 00057


                         Botan::DataSource::discard_next(unsigned long)

[function] [call site] 00058


                         Botan::checked_add(unsigned long, unsigned long, char const*, int)

[function] [call site] 00059


                           __cxa_allocate_exception

[call site] 00060


                           Botan::Integer_Overflow_Detected::Integer_Overflow_Detected(std::__1::basic_string_view<char, std::__1::char_traits<char> >, int)

[function] [call site] 00061


                             std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > Botan::fmt<std::__1::basic_string_view<char, std::__1::char_traits<char> >, int>(std::__1::basic_string_view<char, std::__1::char_traits<char> >, std::__1::basic_string_view<char, std::__1::char_traits<char> > const&, int const&)

[function] [call site] 00062


                             Botan::Exception::Exception(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00063


                           Botan::Exception::~Exception()

[function] [call site] 00064


                         Botan::checked_add(unsigned long, unsigned long, char const*, int)

[function] [call site] 00065


                         Botan::checked_add(unsigned long, unsigned long, char const*, int)

[function] [call site] 00066


                         Botan::DataSource_Memory::~DataSource_Memory()

[function] [call site] 00067


                           Botan::DataSource::~DataSource()

[function] [call site] 00068


                     __cxa_allocate_exception

[call site] 00069


                     Botan::BER_Decoding_Error::BER_Decoding_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00070


                     Botan::BER_Object::mutable_bits(unsigned long)

[function] [call site] 00071


                     __cxa_allocate_exception

[call site] 00072


                     Botan::BER_Decoding_Error::BER_Decoding_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00073


                     Botan::BER_Object::tagging() const

[function] [call site] 00074


                       Botan::BER_Object::type_tag() const

[function] [call site] 00075


                     Botan::BER_Object::~BER_Object()

[function] [call site] 00076


                   Botan::operator|(Botan::ASN1_Class, Botan::ASN1_Class)

[function] [call site] 00077


                   Botan::BER_Object::assert_is_a(Botan::ASN1_Type, Botan::ASN1_Class, std::__1::basic_string_view<char, std::__1::char_traits<char> >) const

[function] [call site] 00078


                     Botan::BER_Object::is_a(Botan::ASN1_Type, Botan::ASN1_Class) const

[function] [call site] 00079


                     Botan::asn1_tag_to_string(Botan::ASN1_Type)

[function] [call site] 00080


                     Botan::asn1_class_to_string(Botan::ASN1_Class)

[function] [call site] 00081


                     Botan::asn1_tag_to_string(Botan::ASN1_Type)

[function] [call site] 00082


                     Botan::asn1_class_to_string(Botan::ASN1_Class)

[function] [call site] 00083


                     __cxa_allocate_exception

[call site] 00084


                     Botan::BER_Decoding_Error::BER_Decoding_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00085


                   Botan::BER_Decoder::BER_Decoder(Botan::BER_Object&&, Botan::BER_Decoder*)

[function] [call site] 00086


                     Botan::BER_Object::BER_Object()

[function] [call site] 00087


                     Botan::BER_Object::~BER_Object()

[function] [call site] 00088


                   Botan::BER_Object::~BER_Object()

[function] [call site] 00089


               Botan::BER_Decoder::end_cons()

[function] [call site] 00090


                 __cxa_allocate_exception

[call site] 00091


                 Botan::Invalid_State::Invalid_State(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00092


                   Botan::Exception::Exception(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00093


                 __cxa_allocate_exception

[call site] 00094


                 Botan::Decoding_Error::Decoding_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00095


                 Botan::Exception::~Exception()

[function] [call site] 00096


               Botan::BER_Decoder::BER_Decoder(std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > const&)

[function] [call site] 00097


                 Botan::BER_Object::BER_Object()

[function] [call site] 00098


                 Botan::BER_Object::~BER_Object()

[function] [call site] 00099


               Botan::BER_Decoder::more_items() const

[function] [call site] 00100


                 Botan::BER_Object::is_set() const

[function] [call site] 00101


               Botan::BER_Decoder::start_set()

[function] [call site] 00102


                 Botan::BER_Decoder::start_cons(Botan::ASN1_Type, Botan::ASN1_Class)

[function] [call site] 00103


               Botan::BER_Decoder::more_items() const

[function] [call site] 00104


               Botan::OID::OID()

[function] [call site] 00105


                 Botan::ASN1_Object::ASN1_Object()

[function] [call site] 00106


               Botan::ASN1_String::ASN1_String(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00107


                 Botan::(anonymous namespace)::choose_encoding(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00108


                   Botan::CT::Mask<unsigned char>::set()

[function] [call site] 00109


                     Botan::CT::Mask<unsigned char>::Mask(unsigned char)

[function] [call site] 00110


                   Botan::CT::Mask<unsigned char>::as_bool() const

[function] [call site] 00111


                     Botan::CT::Mask<unsigned char>::unpoisoned_value() const

[function] [call site] 00112


                       Botan::CT::Mask<unsigned char>::value() const

[function] [call site] 00113


                       void Botan::CT::unpoison<unsigned char>(unsigned char&)

[function] [call site] 00114


                         void Botan::ignore_params<unsigned char&>(unsigned char&)

[function] [call site] 00115


                           void Botan::ignore_param<unsigned char&>(unsigned char&)

[function] [call site] 00116


                   Botan::CT::Mask<unsigned char>::is_within_range(unsigned char, unsigned char, unsigned char)

[function] [call site] 00117


                     unsigned char Botan::expand_top_bit<unsigned char>(unsigned char)

[function] [call site] 00118


                     Botan::CT::Mask<unsigned char>::Mask(unsigned char)

[function] [call site] 00119


                   Botan::CT::Mask<unsigned char>::is_within_range(unsigned char, unsigned char, unsigned char)

[function] [call site] 00120


                   Botan::CT::Mask<unsigned char>::is_within_range(unsigned char, unsigned char, unsigned char)

[function] [call site] 00121


                   Botan::CT::Mask<unsigned char>::is_any_of(unsigned char, std::initializer_list<unsigned char>)

[function] [call site] 00122


                     unsigned char Botan::expand_top_bit<unsigned char>(unsigned char)

[function] [call site] 00123


                     Botan::CT::Mask<unsigned char>::Mask(unsigned char)

[function] [call site] 00124


                   Botan::CT::operator|(Botan::CT::Mask<unsigned char>, Botan::CT::Mask<unsigned char>)

[function] [call site] 00125


                     Botan::CT::Mask<unsigned char>::value() const

[function] [call site] 00126


                   Botan::CT::Mask<unsigned char>::operator&=(Botan::CT::Mask<unsigned char>)

[function] [call site] 00127


                     Botan::CT::Mask<unsigned char>::value() const

[function] [call site] 00128


               Botan::BER_Decoder::start_sequence()

[function] [call site] 00129


               Botan::BER_Decoder::decode(Botan::ASN1_Object&, Botan::ASN1_Type, Botan::ASN1_Class)

[function] [call site] 00130


               Botan::BER_Decoder::decode(Botan::ASN1_Object&, Botan::ASN1_Type, Botan::ASN1_Class)

[function] [call site] 00131


               Botan::BER_Decoder::end_cons()

[function] [call site] 00132


               Botan::X509_DN::add_attribute(Botan::OID const&, Botan::ASN1_String const&)

[function] [call site] 00133


                 Botan::ASN1_String::empty() const

[function] [call site] 00134


               Botan::ASN1_String::~ASN1_String()

[function] [call site] 00135


                 Botan::ASN1_Object::~ASN1_Object()

[function] [call site] 00136


               Botan::BER_Decoder::~BER_Decoder()

[function] [call site] 00137


                 Botan::BER_Object::~BER_Object()

[function] [call site] 00138


               Botan::BER_Decoder::~BER_Decoder()

[function] [call site] 00139


             Botan::X509_DN::decode_from(Botan::BER_Decoder&)

[function] [call site] 00140


             Botan::BER_Decoder::~BER_Decoder()

[function] [call site] 00141


             Botan::operator==(Botan::X509_DN const&, Botan::X509_DN const&)

[function] [call site] 00142


               Botan::X509_DN::get_attributes() const

[function] [call site] 00143


                 Botan::ASN1_String::value() const

[function] [call site] 00144


                 void Botan::multimap_insert<Botan::OID, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >(std::__1::multimap<Botan::OID, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::less<Botan::OID>, std::__1::allocator<std::__1::pair<Botan::OID const, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > >&, Botan::OID const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)

[function] [call site] 00145


               Botan::X509_DN::get_attributes() const

[function] [call site] 00146


               Botan::operator!=(Botan::OID const&, Botan::OID const&)

[function] [call site] 00147


                 Botan::OID::operator==(Botan::OID const&) const

[function] [call site] 00148


               Botan::(anonymous namespace)::x500_name_cmp(std::__1::basic_string_view<char, std::__1::char_traits<char> >, std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00149


                 Botan::(anonymous namespace)::(anonymous namespace)::is_space(char)

[function] [call site] 00150


                   isspace

[function] [call site] 00151


                     __ctype_b_loc

[call site] 00152


                 Botan::(anonymous namespace)::(anonymous namespace)::is_space(char)

[function] [call site] 00153


                 Botan::(anonymous namespace)::(anonymous namespace)::is_space(char)

[function] [call site] 00154


                 Botan::(anonymous namespace)::(anonymous namespace)::is_space(char)

[function] [call site] 00155


                 Botan::(anonymous namespace)::(anonymous namespace)::is_space(char)

[function] [call site] 00156


                 Botan::(anonymous namespace)::(anonymous namespace)::is_space(char)

[function] [call site] 00157


                 Botan::(anonymous namespace)::(anonymous namespace)::caseless_cmp(char, char)

[function] [call site] 00158


                   tolower

[function] [call site] 00159


                     __ctype_tolower_loc

[call site] 00160


                 Botan::(anonymous namespace)::(anonymous namespace)::is_space(char)

[function] [call site] 00161


                 Botan::(anonymous namespace)::(anonymous namespace)::is_space(char)

[function] [call site] 00162


             __cxa_begin_catch

[call site] 00163


             __cxa_end_catch

[call site] 00164


             Botan::operator<(Botan::X509_DN const&, Botan::X509_DN const&)

[function] [call site] 00165


               Botan::X509_DN::get_attributes() const

[function] [call site] 00166


               Botan::X509_DN::get_attributes() const

[function] [call site] 00167


               Botan::operator!=(Botan::OID const&, Botan::OID const&)

[function] [call site] 00168


               Botan::operator<(Botan::OID const&, Botan::OID const&)

[function] [call site] 00169


                 Botan::OID::get_components() const

[function] [call site] 00170


                 Botan::OID::get_components() const

[function] [call site] 00171


               Botan::assertion_failure(char const*, char const*, char const*, char const*, int)

[function] [call site] 00172


                 __cxa_allocate_exception

[call site] 00173


                 Botan::Internal_Error::Internal_Error(std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00174


                   Botan::Exception::Exception(char const*, std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00175


                     std::exception::exception()

[function] [call site] 00176


                     std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > Botan::fmt<char const*, std::__1::basic_string_view<char, std::__1::char_traits<char> > >(std::__1::basic_string_view<char, std::__1::char_traits<char> >, char const* const&, std::__1::basic_string_view<char, std::__1::char_traits<char> > const&)

[function] [call site] 00177


               Botan::(anonymous namespace)::x500_name_cmp(std::__1::basic_string_view<char, std::__1::char_traits<char> >, std::__1::basic_string_view<char, std::__1::char_traits<char> >)

[function] [call site] 00178


             Botan::operator<(Botan::X509_DN const&, Botan::X509_DN const&)

[function] [call site] 00179


             abort

[call site] 00180


             abort

[call site] 00181


             abort

[call site] 00182


             Botan::X509_DN::~X509_DN()

[function] [call site] 00183


               Botan::ASN1_Object::~ASN1_Object()

[function] [call site] 00184