Fuzz introspector: fuzz_implementations
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
7 7 2 :

['std::__1::unique_ptr >::operator->() const', 'simdjson::internal::dom_parser_implementation::allocate(unsigned long, unsigned long)']

7 7 simdjson::dom::parser::allocate(unsignedlong,unsignedlong) call site: 00000 /src/simdjson/include/simdjson/dom/parser-inl.h:185
2 2 1 :

['abort']

2 2 get_runtime_supported_implementations() call site: 00000 /src/simdjson/fuzz/supported_implementations.h:25
0 0 None 0 133 simdjson::internal::adjusted_mantissasimdjson::internal::compute_float >(simdjson::internal::decimal&) call site: 00000 /src/simdjson/src/from_chars.cpp:479
0 0 None 0 116 simdjson::internal::adjusted_mantissasimdjson::internal::compute_float >(simdjson::internal::decimal&) call site: 00000 /src/simdjson/src/from_chars.cpp:500
0 0 None 0 12 simdjson::internal::parse_decimal(charconst*&) call site: 00000 /src/simdjson/src/from_chars.cpp:68
0 0 None 0 6 simdjson::internal::adjusted_mantissasimdjson::internal::compute_float >(simdjson::internal::decimal&) call site: 00000 /src/simdjson/src/from_chars.cpp:535
0 0 None 0 0 simdjson::dom::document::allocate(unsignedlong) call site: 00000 /src/simdjson/include/simdjson/dom/document-inl.h:29
0 0 None 0 0 simdjson::dom::parser::ensure_capacity(simdjson::dom::document&,unsignedlong) call site: 00000 /src/simdjson/include/simdjson/dom/parser-inl.h:217
0 0 None 0 0 simdjson::internal::detect_supported_architectures() call site: 00000 /src/simdjson/include/simdjson/internal/isadetection.h:197
0 0 None 0 0 simdjson::internal::decimal_right_shift(simdjson::internal::decimal&,unsignedint) call site: 00000 /src/simdjson/src/from_chars.cpp:412

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 __cxa_guard_acquire [call site] 00001
1 get_runtime_supported_implementations() [function] [call site] 00002
2 simdjson::get_available_implementations() [function] [call site] 00003
3 __cxa_guard_acquire [call site] 00004
2 simdjson::implementation::supported_by_runtime_system() const [function] [call site] 00005
3 simdjson::internal::detect_supported_architectures() [function] [call site] 00006
4 simdjson::internal::cpuid(unsigned int*, unsigned int*, unsigned int*, unsigned int*) [function] [call site] 00007
4 simdjson::internal::xgetbv() [function] [call site] 00008
4 simdjson::internal::cpuid(unsigned int*, unsigned int*, unsigned int*, unsigned int*) [function] [call site] 00009
2 abort [call site] 00010
1 abort [call site] 00011
1 simdjson::get_active_implementation() [function] [call site] 00012
2 __cxa_guard_acquire [call site] 00013
2 simdjson::implementation::~implementation() [function] [call site] 00014
2 __cxa_guard_acquire [call site] 00015
2 simdjson::internal::atomic_ptr ::atomic_ptr(simdjson::implementation const*) [function] [call site] 00016
1 simdjson::internal::atomic_ptr ::operator=(simdjson::implementation const*) [function] [call site] 00017
1 simdjson::dom::parser::parse(unsigned char const*, unsigned long, bool) & [function] [call site] 00018
2 simdjson::dom::parser::parse_into_document(simdjson::dom::document&, unsigned char const*, unsigned long, bool) & [function] [call site] 00019
3 simdjson::dom::parser::ensure_capacity(simdjson::dom::document&, unsigned long) [function] [call site] 00020
4 simdjson::dom::document::capacity() const [function] [call site] 00021
4 simdjson::dom::document::capacity() const [function] [call site] 00022
4 simdjson::dom::parser::allocate(unsigned long, unsigned long) [function] [call site] 00023
5 simdjson::internal::dom_parser_implementation::allocate(unsigned long, unsigned long) [function] [call site] 00024
5 simdjson::get_active_implementation() [function] [call site] 00025
5 simdjson::internal::atomic_ptr ::operator->() [function] [call site] 00026
5 __clang_call_terminate [call site] 00027
6 __cxa_begin_catch [call site] 00028
3 simdjson::internal::allocate_padded_buffer(unsigned long) [function] [call site] 00029
3 simdjson::dom::document::root() const [function] [call site] 00030
1 simdjson::dom::operator<<(std::__1::basic_ostream >&, simdjson::dom::element) [function] [call site] 00031
2 simdjson::internal::string_builder ::string_builder() [function] [call site] 00032
3 simdjson::internal::mini_formatter::mini_formatter() [function] [call site] 00033
2 simdjson::internal::string_builder ::append(simdjson::dom::element) [function] [call site] 00034
3 simdjson::internal::tape_ref::get_string_view() const [function] [call site] 00035
3 simdjson::internal::string_builder ::append(simdjson::dom::array) [function] [call site] 00036
4 simdjson::dom::array::begin() const [function] [call site] 00037
4 simdjson::dom::array::end() const [function] [call site] 00038
5 simdjson::internal::tape_ref::after_element() const [function] [call site] 00039
4 simdjson::dom::array::iterator::operator!=(simdjson::dom::array::iterator const&) const [function] [call site] 00040
4 simdjson::dom::array::iterator::operator*() const [function] [call site] 00041
4 simdjson::internal::string_builder ::append(simdjson::dom::element) [function] [call site] 00042
5 simdjson::internal::string_builder ::append(simdjson::dom::object) [function] [call site] 00043
6 simdjson::dom::object::begin() const [function] [call site] 00044
6 simdjson::dom::object::end() const [function] [call site] 00045
7 simdjson::internal::tape_ref::after_element() const [function] [call site] 00046
6 simdjson::dom::object::iterator::operator!=(simdjson::dom::object::iterator const&) const [function] [call site] 00047
6 simdjson::dom::object::iterator::operator*() const [function] [call site] 00048
7 simdjson::dom::object::iterator::key() const [function] [call site] 00049
8 simdjson::internal::tape_ref::get_string_view() const [function] [call site] 00050
6 simdjson::internal::string_builder ::append(simdjson::dom::element) [function] [call site] 00051
7 simdjson::internal::tape_ref::get_string_view() const [function] [call site] 00052
7 simdjson::(anonymous namespace)::fast_itoa(char*, long) [function] [call site] 00053
7 simdjson::(anonymous namespace)::fast_itoa(char*, unsigned long) [function] [call site] 00054
7 simdjson::internal::to_chars(char*, char const*, double) [function] [call site] 00055
8 _Z7signbitIdENSt3__19enable_ifIXsr3std17is_floating_pointIT_EE5valueEbE4typeES2_ [function] [call site] 00056
9 bool __libcpp_signbit (double) [function] [call site] 00057
8 void simdjson::internal::dtoa_impl::grisu2 (char*, int&, int&, double) [function] [call site] 00058
9 simdjson::internal::dtoa_impl::boundaries simdjson::internal::dtoa_impl::compute_boundaries (double) [function] [call site] 00059
10 unsigned long simdjson::internal::dtoa_impl::reinterpret_bits (double) [function] [call site] 00060
10 simdjson::internal::dtoa_impl::diyfp::diyfp(unsigned long, int) [function] [call site] 00061
10 simdjson::internal::dtoa_impl::diyfp::diyfp(unsigned long, int) [function] [call site] 00062
10 simdjson::internal::dtoa_impl::diyfp::diyfp(unsigned long, int) [function] [call site] 00063
10 simdjson::internal::dtoa_impl::diyfp::diyfp(unsigned long, int) [function] [call site] 00064
10 simdjson::internal::dtoa_impl::diyfp::normalize(simdjson::internal::dtoa_impl::diyfp) [function] [call site] 00065
10 simdjson::internal::dtoa_impl::diyfp::normalize_to(simdjson::internal::dtoa_impl::diyfp const&, int) [function] [call site] 00066
11 simdjson::internal::dtoa_impl::diyfp::diyfp(unsigned long, int) [function] [call site] 00067
10 simdjson::internal::dtoa_impl::diyfp::normalize(simdjson::internal::dtoa_impl::diyfp) [function] [call site] 00068
9 simdjson::internal::dtoa_impl::grisu2(char*, int&, int&, simdjson::internal::dtoa_impl::diyfp, simdjson::internal::dtoa_impl::diyfp, simdjson::internal::dtoa_impl::diyfp) [function] [call site] 00069
10 simdjson::internal::dtoa_impl::get_cached_power_for_binary_exponent(int) [function] [call site] 00070
10 simdjson::internal::dtoa_impl::diyfp::diyfp(unsigned long, int) [function] [call site] 00071
10 simdjson::internal::dtoa_impl::diyfp::mul(simdjson::internal::dtoa_impl::diyfp const&, simdjson::internal::dtoa_impl::diyfp const&) [function] [call site] 00072
11 simdjson::internal::dtoa_impl::diyfp::diyfp(unsigned long, int) [function] [call site] 00073
10 simdjson::internal::dtoa_impl::diyfp::mul(simdjson::internal::dtoa_impl::diyfp const&, simdjson::internal::dtoa_impl::diyfp const&) [function] [call site] 00074
10 simdjson::internal::dtoa_impl::diyfp::mul(simdjson::internal::dtoa_impl::diyfp const&, simdjson::internal::dtoa_impl::diyfp const&) [function] [call site] 00075
10 simdjson::internal::dtoa_impl::diyfp::diyfp(unsigned long, int) [function] [call site] 00076
10 simdjson::internal::dtoa_impl::diyfp::diyfp(unsigned long, int) [function] [call site] 00077
10 simdjson::internal::dtoa_impl::grisu2_digit_gen(char*, int&, int&, simdjson::internal::dtoa_impl::diyfp, simdjson::internal::dtoa_impl::diyfp, simdjson::internal::dtoa_impl::diyfp) [function] [call site] 00078
11 simdjson::internal::dtoa_impl::diyfp::sub(simdjson::internal::dtoa_impl::diyfp const&, simdjson::internal::dtoa_impl::diyfp const&) [function] [call site] 00079
12 simdjson::internal::dtoa_impl::diyfp::diyfp(unsigned long, int) [function] [call site] 00080
11 simdjson::internal::dtoa_impl::diyfp::sub(simdjson::internal::dtoa_impl::diyfp const&, simdjson::internal::dtoa_impl::diyfp const&) [function] [call site] 00081
11 simdjson::internal::dtoa_impl::diyfp::diyfp(unsigned long, int) [function] [call site] 00082
11 simdjson::internal::dtoa_impl::find_largest_pow10(unsigned int, unsigned int&) [function] [call site] 00083
11 simdjson::internal::dtoa_impl::grisu2_round(char*, int, unsigned long, unsigned long, unsigned long, unsigned long) [function] [call site] 00084
11 simdjson::internal::dtoa_impl::grisu2_round(char*, int, unsigned long, unsigned long, unsigned long, unsigned long) [function] [call site] 00085
8 simdjson::internal::dtoa_impl::format_buffer(char*, int, int, int, int) [function] [call site] 00086
9 simdjson::internal::dtoa_impl::append_exponent(char*, int) [function] [call site] 00087
6 simdjson::dom::object::iterator::operator++() [function] [call site] 00088
7 simdjson::internal::tape_ref::after_element() const [function] [call site] 00089
6 simdjson::dom::object::iterator::operator*() const [function] [call site] 00090
6 simdjson::internal::string_builder ::append(simdjson::dom::element) [function] [call site] 00091
4 simdjson::dom::array::iterator::operator++() [function] [call site] 00092
5 simdjson::internal::tape_ref::after_element() const [function] [call site] 00093
4 simdjson::dom::array::iterator::operator*() const [function] [call site] 00094
4 simdjson::internal::string_builder ::append(simdjson::dom::element) [function] [call site] 00095
2 simdjson::internal::string_builder ::~string_builder() [function] [call site] 00096
3 simdjson::internal::mini_formatter::~mini_formatter() [function] [call site] 00097
1 void showErrorAndAbort (Impl*, Impl*) [function] [call site] 00098
2 simdjson::operator<<(std::__1::basic_ostream >&, simdjson::error_code) [function] [call site] 00099
3 simdjson::error_message(simdjson::error_code) [function] [call site] 00100
3 __clang_call_terminate [call site] 00101
2 abort [call site] 00102
1 void showOutputAndAbort (Impl*, Impl*) [function] [call site] 00103
2 abort [call site] 00104