Fuzz introspector
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues
Project coverage
Per-fuzzer coverage

Table of contents

Project overview: libphonenumber
High level conclusions
Reachability and coverage overview
Fuzzers overview
Project functions overview
Fuzzer details
Fuzzer: fuzz_asyoutypeformatter
Call tree
Fuzz blockers
Runtime coverage analysis
Files reached
Fuzzer: fuzz_shortnumberinfo
Call tree
Fuzz blockers
Runtime coverage analysis
Files reached
Fuzzer: fuzz_matcher
Call tree
Fuzz blockers
Runtime coverage analysis
Files reached
Fuzzer: fuzz_util
Call tree
Fuzz blockers
Runtime coverage analysis
Files reached
Analyses and suggestions
Optimal target analysis
Remaining optimal interesting functions
All functions overview
Fuzz engine guidance
/src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_asyoutypeformatter.cc
Dictionary
Fuzzer function priority
/src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_shortnumberinfo.cc
Dictionary
Fuzzer function priority
/src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_matcher.cc
Dictionary
Fuzzer function priority
/src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_util.cc
Dictionary
Fuzzer function priority
Runtime coverage analysis
Complex functions with low coverage
Files and Directories in report
Files in report
Directories in report
Metadata section
Report generation date: 2025-01-13

Project overview: libphonenumber

High level conclusions

Reachability and coverage overview

Functions statically reachable by fuzzers
22.0%
1655 / 7660
Cyclomatic complexity statically reachable by fuzzers
19.0%
8222 / 43914
Runtime code coverage of functions
16.0%
1229 / 7660

Fuzzers overview

Fuzzer Fuzzer filename Functions Reached Functions unreached Fuzzer depth Files reached Basic blocks reached Cyclomatic complexity Details
fuzz_asyoutypeformatter /src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_asyoutypeformatter.cc 1811 6515 29 92 5851 3700 fuzz_asyoutypeformatter.cc
fuzz_shortnumberinfo /src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_shortnumberinfo.cc 2324 6448 29 92 7511 4692 fuzz_shortnumberinfo.cc
fuzz_matcher /src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_matcher.cc 2473 6272 29 103 8869 5734 fuzz_matcher.cc
fuzz_util /src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_util.cc 2426 6207 29 98 9064 5860 fuzz_util.cc

Project functions overview

The following table shows data about each function in the project. The functions included in this table correspond to all functions that exist in the executables of the fuzzers. As such, there may be functions that are from third-party libraries.

For further technical details on the meaning of columns in the below table, please see the Glossary .

Func name Functions filename Args Function call depth Reached by Fuzzers Fuzzers runtime hit Func lines hit % I Count BB Count Cyclomatic complexity Functions reached Reached by functions Accumulated cyclomatic complexity Undiscovered complexity

Fuzzer details

Fuzzer: fuzz_asyoutypeformatter

Call tree

The calltree shows the control flow of the fuzzer. This is overlaid with coverage information to display how much of the potential code a fuzzer can reach is in fact covered at runtime. In the following there is a link to a detailed calltree visualisation as well as a bitmap showing a high-level view of the calltree. For further information about these topics please see the glossary for full calltree and calltree overview

Full calltree

Call tree overview bitmap:

The distribution of callsites in terms of coloring is
Color Runtime hitcount Callsite count Percentage
red 0 2112 100.%
gold [1:9] 0 0.0%
yellow [10:29] 0 0.0%
greenyellow [30:49] 0 0.0%
lawngreen 50+ 0 0.0%
All colors 2112 100

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
2111 0 EP call site: 00000 _ZN4absl12lts_2022062318container_internal12raw_hash_setINS1_17NodeHashMapPolicyINSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEEN4i18n12phonenumbers13PhoneMetadataEEENS1_10StringHashENS1_8StringEqENS8_INS4_4pairIKSA_SD_EEEEE7emplaceIJNSH_ISA_SD_EEETnNS4_9enable_ifIXsr14IsDecomposableIDpT_EE5valueEiE4typeELi0EEENSH_INSL_8iteratorEbEEDpOSP_

Runtime coverage analysis

Covered functions
0
Functions that are reachable but not covered
1811
Reachable functions
1811
Percentage of reachable functions covered
0.0%
NB: The sum of covered functions and functions that are reachable but not covered need not be equal to Reachable functions . This is because the reachability analysis is an approximation and thus at runtime some functions may be covered that are not included in the reachability analysis. This is a limitation of our static analysis capabilities.
Function name source code lines source lines hit percentage hit

Files reached

filename functions hit
/src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_asyoutypeformatter.cc 1
/src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc 24
/src/libphonenumber/cpp/src/phonenumbers/base/memory/singleton_posix.h 4
/src/libphonenumber/cpp/src/phonenumbers/logger.h 5
/src/libphonenumber/cpp/src/phonenumbers/base/memory/scoped_ptr.h 109
/src/libphonenumber/cpp/src/phonenumbers/regex_based_matcher.cc 1
/src/libphonenumber/cpp/src/phonenumbers/matcher_api.h 2
/src/libphonenumber/cpp/src/phonenumbers/regexp_adapter_icu.h 1
/src/libphonenumber/cpp/src/phonenumbers/regexp_adapter.h 6
/src/libphonenumber/cpp/src/phonenumbers/regexp_cache.cc 3
/src/libphonenumber/cpp/src/phonenumbers/base/synchronization/lock_posix.h 4
/src/libphonenumber/cpp/src/phonenumbers/stringutil.cc 16
/usr/local/include/absl/strings/str_cat.h 10
/usr/local/include/absl/strings/string_view.h 15
/src/abseil-cpp/absl/strings/numbers.cc 7
/src/abseil-cpp/absl/strings/numbers.h 1
/src/abseil-cpp/absl/strings/str_cat.cc 7
/src/abseil-cpp/absl/strings/internal/resize_uninitialized.h 4
/src/libphonenumber/cpp/src/phonenumbers/encoding_utils.h 1
/src/libphonenumber/cpp/src/phonenumbers/utf/rune.c 4
/src/libphonenumber/cpp/src/phonenumbers/base/synchronization/lock.h 2
/usr/local/include/absl/container/node_hash_set.h 8
/usr/local/include/absl/container/internal/raw_hash_set.h 166
/usr/local/include/absl/container/internal/compressed_tuple.h 44
/usr/local/include/absl/utility/utility.h 9
/usr/local/include/absl/container/node_hash_map.h 16
/usr/local/include/absl/container/internal/raw_hash_map.h 4
/src/libphonenumber/cpp/src/phonenumbers/phonemetadata.pb.h 32
/src/libphonenumber/cpp/src/phonenumbers/phonemetadata.pb.cc 14
/usr/local/include/google/protobuf/message_lite.h 4
/usr/local/include/google/protobuf/metadata_lite.h 6
/usr/local/include/google/protobuf/repeated_field.h 32
/usr/local/include/google/protobuf/generated_message_util.h 3
/src/protobuf/src/google/protobuf/generated_message_util.cc 5
/src/protobuf/src/google/protobuf/stubs/common.cc 7
/src/protobuf/src/google/protobuf/stubs/common.h 1
/usr/local/bin/../include/c++/v1/__exception/exception.h 1
/src/protobuf/src/google/protobuf/generated_message_util.h 1
/src/protobuf/src/google/protobuf/message_lite.cc 9
/src/protobuf/src/google/protobuf/stubs/mutex.h 5
/usr/local/include/google/protobuf/arenastring.h 9
/src/protobuf/src/google/protobuf/repeated_field.h 12
/usr/local/include/google/protobuf/arena.h 3
/src/protobuf/src/google/protobuf/arena.cc 13
/src/libphonenumber/cpp/src/phonenumbers/metadata.cc 2
/usr/local/include/google/protobuf/stubs/stringpiece.h 1
/src/protobuf/src/google/protobuf/message_lite.h 2
/src/protobuf/src/google/protobuf/io/coded_stream.h 1
/src/protobuf/src/google/protobuf/parse_context.h 4
/src/protobuf/src/google/protobuf/stubs/stringpiece.h 2
/usr/local/include/google/protobuf/parse_context.h 1
/src/libphonenumber/cpp/src/phonenumbers/default_logger.h 15
/src/libphonenumber/cpp/src/phonenumbers/region_code.h 2
/usr/local/include/absl/container/internal/hash_policy_traits.h 27
/usr/local/include/absl/container/internal/container_memory.h 36
/usr/local/include/absl/base/internal/prefetch.h 1
/usr/local/include/absl/hash/internal/hash.h 21
/usr/local/include/absl/numeric/bits.h 1
/usr/local/include/absl/container/internal/node_slot_policy.h 12
/src/abseil-cpp/absl/container/internal/raw_hash_set.h 4
/src/abseil-cpp/absl/container/internal/raw_hash_set.cc 3
/src/abseil-cpp/absl/numeric/bits.h 2
/usr/local/include/absl/container/internal/hashtablez_sampler.h 5
/usr/local/include/absl/memory/memory.h 20
/usr/local/include/absl/container/internal/hash_function_defaults.h 2
/src/abseil-cpp/absl/hash/internal/hash.cc 2
/src/abseil-cpp/absl/hash/internal/low_level_hash.cc 2
/usr/local/include/absl/base/internal/unaligned_access.h 2
/src/abseil-cpp/absl/numeric/int128.h 7
/src/libphonenumber/cpp/src/phonenumbers/asyoutypeformatter.cc 27
/src/libphonenumber/cpp/src/phonenumbers/unicodestring.h 13
/src/libphonenumber/cpp/src/phonenumbers/utf/unicodetext.cc 31
/src/libphonenumber/cpp/src/phonenumbers/utf/unicodetext.h 13
/src/protobuf/src/google/protobuf/arenastring.cc 2
/usr/local/include/google/protobuf/arena_impl.h 3
/src/protobuf/src/google/protobuf/arena_impl.h 16
/src/protobuf/src/google/protobuf/arena.h 2
/src/protobuf/src/google/protobuf/arenastring.h 1
/src/libphonenumber/cpp/src/phonenumbers/utf/unilib.h 3
/src/libphonenumber/cpp/src/phonenumbers/utf/unilib.cc 2
/src/libphonenumber/cpp/src/phonenumbers/normalize_utf8.h 1
/src/icu/source/common/uchar.cpp 1
/src/libphonenumber/cpp/src/phonenumbers/unicodestring.cc 6
/usr/local/include/absl/strings/numbers.h 2
/src/abseil-cpp/absl/strings/ascii.h 1
/src/abseil-cpp/absl/strings/str_replace.cc 2
/src/abseil-cpp/absl/strings/str_replace.h 3
/src/abseil-cpp/absl/strings/string_view.cc 1
/src/abseil-cpp/absl/strings/internal/memutil.cc 1
/src/abseil-cpp/absl/base/internal/throw_delegate.cc 2
/usr/local/bin/../include/c++/v1/stdexcept 2
/src/abseil-cpp/absl/strings/str_cat.h 1

Fuzzer: fuzz_shortnumberinfo

Call tree

The calltree shows the control flow of the fuzzer. This is overlaid with coverage information to display how much of the potential code a fuzzer can reach is in fact covered at runtime. In the following there is a link to a detailed calltree visualisation as well as a bitmap showing a high-level view of the calltree. For further information about these topics please see the glossary for full calltree and calltree overview

Full calltree

Call tree overview bitmap:

The distribution of callsites in terms of coloring is
Color Runtime hitcount Callsite count Percentage
red 0 2628 100.%
gold [1:9] 0 0.0%
yellow [10:29] 0 0.0%
greenyellow [30:49] 0 0.0%
lawngreen 50+ 0 0.0%
All colors 2628 100

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
2627 0 EP call site: 00000 _ZN4absl12lts_2022062318container_internal12raw_hash_setINS1_17FlatHashMapPolicyINSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEEN4i18n12phonenumbers13PhoneMetadataEEENS1_10StringHashENS1_8StringEqENS8_INS4_4pairIKSA_SD_EEEEE7emplaceIJNSH_ISA_SD_EEETnNS4_9enable_ifIXsr14IsDecomposableIDpT_EE5valueEiE4typeELi0EEENSH_INSL_8iteratorEbEEDpOSP_

Runtime coverage analysis

Covered functions
0
Functions that are reachable but not covered
2324
Reachable functions
2324
Percentage of reachable functions covered
0.0%
NB: The sum of covered functions and functions that are reachable but not covered need not be equal to Reachable functions . This is because the reachability analysis is an approximation and thus at runtime some functions may be covered that are not included in the reachability analysis. This is a limitation of our static analysis capabilities.
Function name source code lines source lines hit percentage hit

Files reached

filename functions hit
/src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_shortnumberinfo.cc 2
/src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc 42
/src/libphonenumber/cpp/src/phonenumbers/base/memory/singleton_posix.h 4
/src/libphonenumber/cpp/src/phonenumbers/logger.h 5
/src/libphonenumber/cpp/src/phonenumbers/base/memory/scoped_ptr.h 139
/src/libphonenumber/cpp/src/phonenumbers/regex_based_matcher.cc 1
/src/libphonenumber/cpp/src/phonenumbers/matcher_api.h 2
/src/libphonenumber/cpp/src/phonenumbers/regexp_adapter_icu.h 1
/src/libphonenumber/cpp/src/phonenumbers/regexp_adapter.h 9
/src/libphonenumber/cpp/src/phonenumbers/regexp_cache.cc 3
/src/libphonenumber/cpp/src/phonenumbers/base/synchronization/lock_posix.h 4
/src/libphonenumber/cpp/src/phonenumbers/stringutil.cc 17
/usr/local/include/absl/strings/str_cat.h 11
/usr/local/include/absl/strings/string_view.h 13
/src/abseil-cpp/absl/strings/numbers.cc 11
/src/abseil-cpp/absl/strings/numbers.h 1
/src/abseil-cpp/absl/strings/str_cat.cc 6
/src/abseil-cpp/absl/strings/internal/resize_uninitialized.h 2
/src/libphonenumber/cpp/src/phonenumbers/encoding_utils.h 1
/src/libphonenumber/cpp/src/phonenumbers/utf/rune.c 3
/src/libphonenumber/cpp/src/phonenumbers/base/synchronization/lock.h 2
/usr/local/include/absl/container/node_hash_set.h 8
/usr/local/include/absl/container/internal/raw_hash_set.h 250
/usr/local/include/absl/container/internal/compressed_tuple.h 44
/usr/local/include/absl/utility/utility.h 11
/usr/local/include/absl/container/node_hash_map.h 16
/usr/local/include/absl/container/internal/raw_hash_map.h 6
/src/libphonenumber/cpp/src/phonenumbers/phonemetadata.pb.h 61
/src/libphonenumber/cpp/src/phonenumbers/phonemetadata.pb.cc 11
/usr/local/include/google/protobuf/message_lite.h 4
/usr/local/include/google/protobuf/metadata_lite.h 9
/usr/local/include/google/protobuf/repeated_field.h 27
/usr/local/include/google/protobuf/generated_message_util.h 3
/src/protobuf/src/google/protobuf/generated_message_util.cc 6
/src/protobuf/src/google/protobuf/stubs/common.cc 8
/src/protobuf/src/google/protobuf/stubs/common.h 1
/usr/local/bin/../include/c++/v1/__exception/exception.h 1
/src/protobuf/src/google/protobuf/generated_message_util.h 1
/src/protobuf/src/google/protobuf/message_lite.cc 9
/src/protobuf/src/google/protobuf/stubs/mutex.h 5
/usr/local/include/google/protobuf/arenastring.h 9
/src/protobuf/src/google/protobuf/repeated_field.h 28
/usr/local/include/google/protobuf/arena.h 4
/src/protobuf/src/google/protobuf/arena.cc 11
/src/libphonenumber/cpp/src/phonenumbers/metadata.cc 2
/usr/local/include/google/protobuf/stubs/stringpiece.h 1
/src/protobuf/src/google/protobuf/message_lite.h 2
/src/protobuf/src/google/protobuf/io/coded_stream.h 1
/src/protobuf/src/google/protobuf/parse_context.h 4
/src/protobuf/src/google/protobuf/stubs/stringpiece.h 2
/usr/local/include/google/protobuf/parse_context.h 1
/src/libphonenumber/cpp/src/phonenumbers/default_logger.h 32
/src/libphonenumber/cpp/src/phonenumbers/region_code.h 2
/usr/local/include/absl/container/internal/hash_policy_traits.h 46
/usr/local/include/absl/container/internal/container_memory.h 54
/usr/local/include/absl/base/internal/prefetch.h 1
/usr/local/include/absl/hash/internal/hash.h 21
/usr/local/include/absl/numeric/bits.h 1
/usr/local/include/absl/container/internal/node_slot_policy.h 12
/src/abseil-cpp/absl/container/internal/raw_hash_set.h 4
/src/abseil-cpp/absl/container/internal/raw_hash_set.cc 3
/src/abseil-cpp/absl/numeric/bits.h 2
/usr/local/include/absl/container/internal/hashtablez_sampler.h 5
/usr/local/include/absl/memory/memory.h 26
/usr/local/include/absl/container/internal/hash_function_defaults.h 2
/src/abseil-cpp/absl/hash/internal/hash.cc 2
/src/abseil-cpp/absl/hash/internal/low_level_hash.cc 2
/usr/local/include/absl/base/internal/unaligned_access.h 2
/src/abseil-cpp/absl/numeric/int128.h 7
/src/libphonenumber/cpp/src/phonenumbers/phonenumber.pb.h 26
/src/libphonenumber/cpp/src/phonenumbers/phonenumber.pb.cc 7
/usr/local/include/absl/types/optional.h 11
/usr/local/include/absl/types/internal/optional.h 15
/src/abseil-cpp/absl/types/bad_optional_access.cc 2
/src/abseil-cpp/absl/types/bad_optional_access.h 1
/src/libphonenumber/cpp/src/phonenumbers/utf/unicodetext.cc 20
/src/libphonenumber/cpp/src/phonenumbers/utf/unicodetext.h 9
/src/libphonenumber/cpp/src/phonenumbers/utf/unilib.h 3
/src/libphonenumber/cpp/src/phonenumbers/utf/unilib.cc 2
/src/protobuf/src/google/protobuf/arenastring.cc 4
/usr/local/include/google/protobuf/arena_impl.h 3
/src/protobuf/src/google/protobuf/arena_impl.h 16
/src/protobuf/src/google/protobuf/arena.h 2
/src/libphonenumber/cpp/src/phonenumbers/normalize_utf8.h 1
/src/icu/source/common/uchar.cpp 1
/usr/local/include/absl/strings/numbers.h 4
/src/abseil-cpp/absl/strings/ascii.h 1
/src/protobuf/src/google/protobuf/arenastring.h 1
/src/libphonenumber/cpp/src/phonenumbers/shortnumberinfo.cc 21
/usr/local/include/absl/container/flat_hash_map.h 10
/usr/local/include/absl/container/flat_hash_set.h 12
/src/libphonenumber/cpp/src/phonenumbers/short_metadata.cc 2

Fuzzer: fuzz_matcher

Call tree

The calltree shows the control flow of the fuzzer. This is overlaid with coverage information to display how much of the potential code a fuzzer can reach is in fact covered at runtime. In the following there is a link to a detailed calltree visualisation as well as a bitmap showing a high-level view of the calltree. For further information about these topics please see the glossary for full calltree and calltree overview

Full calltree

Call tree overview bitmap:

The distribution of callsites in terms of coloring is
Color Runtime hitcount Callsite count Percentage
red 0 3076 100.%
gold [1:9] 0 0.0%
yellow [10:29] 0 0.0%
greenyellow [30:49] 0 0.0%
lawngreen 50+ 0 0.0%
All colors 3076 100

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
3075 0 EP call site: 00000 _ZN4absl12lts_2022062318container_internal12raw_hash_setINS1_17NodeHashMapPolicyINSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEEN4i18n12phonenumbers13PhoneMetadataEEENS1_10StringHashENS1_8StringEqENS8_INS4_4pairIKSA_SD_EEEEE7emplaceIJNSH_ISA_SD_EEETnNS4_9enable_ifIXsr14IsDecomposableIDpT_EE5valueEiE4typeELi0EEENSH_INSL_8iteratorEbEEDpOSP_

Runtime coverage analysis

Covered functions
0
Functions that are reachable but not covered
2473
Reachable functions
2473
Percentage of reachable functions covered
0.0%
NB: The sum of covered functions and functions that are reachable but not covered need not be equal to Reachable functions . This is because the reachability analysis is an approximation and thus at runtime some functions may be covered that are not included in the reachability analysis. This is a limitation of our static analysis capabilities.
Function name source code lines source lines hit percentage hit

Files reached

filename functions hit
/src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_matcher.cc 2
/src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc 67
/src/libphonenumber/cpp/src/phonenumbers/base/memory/singleton_posix.h 12
/src/libphonenumber/cpp/src/phonenumbers/logger.h 5
/src/libphonenumber/cpp/src/phonenumbers/base/memory/scoped_ptr.h 132
/src/libphonenumber/cpp/src/phonenumbers/regex_based_matcher.cc 1
/src/libphonenumber/cpp/src/phonenumbers/matcher_api.h 2
/src/libphonenumber/cpp/src/phonenumbers/regexp_adapter_icu.h 1
/src/libphonenumber/cpp/src/phonenumbers/regexp_adapter.h 10
/src/libphonenumber/cpp/src/phonenumbers/regexp_cache.cc 3
/src/libphonenumber/cpp/src/phonenumbers/base/synchronization/lock_posix.h 4
/src/libphonenumber/cpp/src/phonenumbers/stringutil.cc 27
/usr/local/include/absl/strings/str_cat.h 15
/usr/local/include/absl/strings/string_view.h 16
/src/abseil-cpp/absl/strings/numbers.cc 11
/src/abseil-cpp/absl/strings/numbers.h 1
/src/abseil-cpp/absl/strings/str_cat.cc 7
/src/abseil-cpp/absl/strings/internal/resize_uninitialized.h 4
/src/libphonenumber/cpp/src/phonenumbers/encoding_utils.h 3
/src/libphonenumber/cpp/src/phonenumbers/utf/rune.c 3
/src/libphonenumber/cpp/src/phonenumbers/base/synchronization/lock.h 2
/usr/local/include/absl/container/node_hash_set.h 8
/usr/local/include/absl/container/internal/raw_hash_set.h 166
/usr/local/include/absl/container/internal/compressed_tuple.h 44
/usr/local/include/absl/utility/utility.h 11
/usr/local/include/absl/container/node_hash_map.h 16
/usr/local/include/absl/container/internal/raw_hash_map.h 4
/src/libphonenumber/cpp/src/phonenumbers/phonemetadata.pb.h 75
/src/libphonenumber/cpp/src/phonenumbers/phonemetadata.pb.cc 11
/usr/local/include/google/protobuf/message_lite.h 5
/usr/local/include/google/protobuf/metadata_lite.h 12
/usr/local/include/google/protobuf/repeated_field.h 42
/usr/local/include/google/protobuf/generated_message_util.h 3
/src/protobuf/src/google/protobuf/generated_message_util.cc 6
/src/protobuf/src/google/protobuf/stubs/common.cc 8
/src/protobuf/src/google/protobuf/stubs/common.h 1
/usr/local/bin/../include/c++/v1/__exception/exception.h 1
/src/protobuf/src/google/protobuf/generated_message_util.h 1
/src/protobuf/src/google/protobuf/message_lite.cc 9
/src/protobuf/src/google/protobuf/stubs/mutex.h 5
/usr/local/include/google/protobuf/arenastring.h 10
/src/protobuf/src/google/protobuf/repeated_field.h 31
/usr/local/include/google/protobuf/arena.h 4
/src/protobuf/src/google/protobuf/arena.cc 11
/src/libphonenumber/cpp/src/phonenumbers/metadata.cc 2
/usr/local/include/google/protobuf/stubs/stringpiece.h 1
/src/protobuf/src/google/protobuf/message_lite.h 2
/src/protobuf/src/google/protobuf/io/coded_stream.h 1
/src/protobuf/src/google/protobuf/parse_context.h 4
/src/protobuf/src/google/protobuf/stubs/stringpiece.h 2
/usr/local/include/google/protobuf/parse_context.h 1
/src/libphonenumber/cpp/src/phonenumbers/default_logger.h 60
/src/libphonenumber/cpp/src/phonenumbers/region_code.h 2
/usr/local/include/absl/container/internal/hash_policy_traits.h 27
/usr/local/include/absl/container/internal/container_memory.h 36
/usr/local/include/absl/base/internal/prefetch.h 1
/usr/local/include/absl/hash/internal/hash.h 21
/usr/local/include/absl/numeric/bits.h 1
/usr/local/include/absl/container/internal/node_slot_policy.h 12
/src/abseil-cpp/absl/container/internal/raw_hash_set.h 4
/src/abseil-cpp/absl/container/internal/raw_hash_set.cc 3
/src/abseil-cpp/absl/numeric/bits.h 2
/usr/local/include/absl/container/internal/hashtablez_sampler.h 5
/usr/local/include/absl/memory/memory.h 20
/usr/local/include/absl/container/internal/hash_function_defaults.h 2
/src/abseil-cpp/absl/hash/internal/hash.cc 2
/src/abseil-cpp/absl/hash/internal/low_level_hash.cc 2
/usr/local/include/absl/base/internal/unaligned_access.h 2
/src/abseil-cpp/absl/numeric/int128.h 7
/src/libphonenumber/cpp/src/phonenumbers/phonenumbermatcher.cc 24
/src/libphonenumber/cpp/src/phonenumbers/stringutil.h 1
/src/libphonenumber/cpp/src/phonenumbers/alternate_format.cc 2
/src/libphonenumber/cpp/src/phonenumbers/utf/unicodetext.cc 20
/src/libphonenumber/cpp/src/phonenumbers/utf/unicodetext.h 9
/src/libphonenumber/cpp/src/phonenumbers/utf/unilib.h 3
/src/libphonenumber/cpp/src/phonenumbers/utf/unilib.cc 2
/src/libphonenumber/cpp/src/phonenumbers/phonenumbermatch.h 1
/src/libphonenumber/cpp/src/phonenumbers/phonenumber.pb.cc 12
/src/libphonenumber/cpp/src/phonenumbers/phonenumbermatch.cc 10
/src/libphonenumber/cpp/src/phonenumbers/phonenumber.pb.h 55
/usr/local/include/google/protobuf/arena_impl.h 3
/src/protobuf/src/google/protobuf/arena_impl.h 16
/src/protobuf/src/google/protobuf/arenastring.cc 5
/src/protobuf/src/google/protobuf/arena.h 2
/src/icu/source/common/uchar.cpp 5
/usr/local/include/absl/types/optional.h 11
/usr/local/include/absl/types/internal/optional.h 15
/src/abseil-cpp/absl/types/bad_optional_access.cc 2
/src/abseil-cpp/absl/types/bad_optional_access.h 1
/src/libphonenumber/cpp/src/phonenumbers/normalize_utf8.h 1
/usr/local/include/absl/strings/numbers.h 4
/src/abseil-cpp/absl/strings/ascii.h 1
/src/protobuf/src/google/protobuf/arenastring.h 1
/src/libphonenumber/cpp/src/phonenumbers/phonenumber.cc 1
/usr/local/include/absl/strings/match.h 2
/src/libphonenumber/cpp/src/phonenumbers/callback.h 5
/src/protobuf/src/google/protobuf/repeated_field.cc 1
/usr/local/include/absl/strings/internal/str_split_internal.h 13
/usr/local/include/absl/strings/str_split.h 3
/src/abseil-cpp/absl/strings/str_split.cc 1
/src/abseil-cpp/absl/strings/string_view.cc 1
/src/abseil-cpp/absl/base/internal/throw_delegate.cc 2
/usr/local/bin/../include/c++/v1/stdexcept 2

Fuzzer: fuzz_util

Call tree

The calltree shows the control flow of the fuzzer. This is overlaid with coverage information to display how much of the potential code a fuzzer can reach is in fact covered at runtime. In the following there is a link to a detailed calltree visualisation as well as a bitmap showing a high-level view of the calltree. For further information about these topics please see the glossary for full calltree and calltree overview

Full calltree

Call tree overview bitmap:

The distribution of callsites in terms of coloring is
Color Runtime hitcount Callsite count Percentage
red 0 1645 51.0%
gold [1:9] 403 12.4%
yellow [10:29] 79 2.44%
greenyellow [30:49] 56 1.73%
lawngreen 50+ 1042 32.3%
All colors 3225 100

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
72 356 5 :

['operator new(unsigned long)', 'operator delete(void*)', 'i18n::phonenumbers::PhoneNumberDesc::PhoneNumberDesc(i18n::phonenumbers::PhoneNumberDesc const&)', 'google::protobuf::MessageLite::~MessageLite()', 'google::protobuf::RepeatedPtrField ::~RepeatedPtrField()']

72 356 i18n::phonenumbers::PhoneMetadata::PhoneMetadata(i18n::phonenumbers::PhoneMetadataconst&) call site: 00000 /src/libphonenumber/cpp/src/phonenumbers/phonemetadata.pb.cc:1129
40 94 7 :

['absl::lts_20220623::optional , std::__1::allocator > >::value() &', 'i18n::phonenumbers::StringHolder::StringHolder(std::__1::basic_string , std::__1::allocator > const&)', 'std::__1::basic_string , std::__1::allocator >::at(unsigned long)', 'std::__1::basic_string , std::__1::allocator >::substr[abi:ne180100](unsigned long, unsigned long) const', 'std::__1::basic_string , std::__1::allocator >::~basic_string()', 'i18n::phonenumbers::StrAppend(std::__1::basic_string , std::__1::allocator >*, i18n::phonenumbers::StringHolder const&)', 'i18n::phonenumbers::StringHolder::~StringHolder()']

62 116 i18n::phonenumbers::PhoneNumberUtil::BuildNationalNumberForParsing(std::__1::basic_string ,std::__1::allocator >const&,std::__1::basic_string ,std::__1::allocator >*)const call site: 00000 /src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc:2233
24 24 2 :

['i18n::phonenumbers::LoggerHandler& i18n::phonenumbers::LoggerHandler::operator<< (char const (&) [11])', 'i18n::phonenumbers::LoggerHandler& i18n::phonenumbers::LoggerHandler::operator<< (char const (&) [59])']

24 61 i18n::phonenumbers::PhoneNumberUtil::GetNumberTypeHelper(std::__1::basic_string ,std::__1::allocator >const&,i18n::phonenumbers::PhoneMetadataconst&)const call site: 00000 /src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc:2652
12 12 1 :

['i18n::phonenumbers::LoggerHandler& i18n::phonenumbers::LoggerHandler::operator<< (char const (&) [28])']

12 49 i18n::phonenumbers::PhoneNumberUtil::GetNumberTypeHelper(std::__1::basic_string ,std::__1::allocator >const&,i18n::phonenumbers::PhoneMetadataconst&)const call site: 00000 /src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc:2616
12 12 1 :

['i18n::phonenumbers::LoggerHandler& i18n::phonenumbers::LoggerHandler::operator<< (char const (&) [29])']

12 49 i18n::phonenumbers::PhoneNumberUtil::GetNumberTypeHelper(std::__1::basic_string ,std::__1::allocator >const&,i18n::phonenumbers::PhoneMetadataconst&)const call site: 00000 /src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc:2632
12 12 1 :

['i18n::phonenumbers::LoggerHandler& i18n::phonenumbers::LoggerHandler::operator<< (char const (&) [26])']

12 49 i18n::phonenumbers::PhoneNumberUtil::GetNumberTypeHelper(std::__1::basic_string ,std::__1::allocator >const&,i18n::phonenumbers::PhoneMetadataconst&)const call site: 00000 /src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc:2636
12 12 1 :

['i18n::phonenumbers::LoggerHandler& i18n::phonenumbers::LoggerHandler::operator<< (char const (&) [17])']

12 49 i18n::phonenumbers::PhoneNumberUtil::GetNumberTypeHelper(std::__1::basic_string ,std::__1::allocator >const&,i18n::phonenumbers::PhoneMetadataconst&)const call site: 00000 /src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc:2640
12 12 1 :

['i18n::phonenumbers::LoggerHandler& i18n::phonenumbers::LoggerHandler::operator<< (char const (&) [30])']

12 49 i18n::phonenumbers::PhoneNumberUtil::GetNumberTypeHelper(std::__1::basic_string ,std::__1::allocator >const&,i18n::phonenumbers::PhoneMetadataconst&)const call site: 00000 /src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc:2644
6 6 1 :

['google::protobuf::internal::GenericSwap(google::protobuf::MessageLite*, google::protobuf::MessageLite*)']

6 6 i18n::phonenumbers::PhoneNumber::Swap(i18n::phonenumbers::PhoneNumber*) call site: 00000 /src/libphonenumber/cpp/src/phonenumbers/phonenumber.pb.h:137
4 4 1 :

['i18n::phonenumbers::UnicodeText::Repr::clear()']

4 4 i18n::phonenumbers::UnicodeText::Repr::resize(int) call site: 00000 /src/libphonenumber/cpp/src/phonenumbers/utf/unicodetext.cc:128
0 5391 11 :

['i18n::phonenumbers::PhoneNumberUtil::GetRegionCodeForCountryCode(int, std::__1::basic_string , std::__1::allocator >*) const', 'i18n::phonenumbers::PhoneNumberUtil::Parse(std::__1::basic_string , std::__1::allocator > const&, std::__1::basic_string , std::__1::allocator > const&, i18n::phonenumbers::PhoneNumber*) const', '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC2B8ne180100ILi0EEEPKc', 'bool std::__1::operator!=[abi:ne180100] , std::__1::allocator >(std::__1::basic_string , std::__1::allocator > const&, char const*)', 'i18n::phonenumbers::RegionCode::GetUnknown()', 'i18n::phonenumbers::PhoneNumber::PhoneNumber()', 'std::__1::basic_string , std::__1::allocator >::~basic_string()', 'i18n::phonenumbers::PhoneNumber::country_code() const', 'std::__1::basic_string , std::__1::allocator >::basic_string[abi:ne180100]()', 'i18n::phonenumbers::PhoneNumberUtil::ParseHelper(std::__1::basic_string , std::__1::allocator > const&, std::__1::basic_string , std::__1::allocator > const&, bool, bool, i18n::phonenumbers::PhoneNumber*) const', 'i18n::phonenumbers::PhoneNumberUtil::IsNumberMatch(i18n::phonenumbers::PhoneNumber const&, i18n::phonenumbers::PhoneNumber const&) const']

0 5407 i18n::phonenumbers::PhoneNumberUtil::IsNumberMatchWithOneString(i18n::phonenumbers::PhoneNumberconst&,std::__1::basic_string ,std::__1::allocator >const&)const call site: 00000 /src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc:3244
0 4357 22 :

['i18n::phonenumbers::PhoneMetadata::mobile() const', 'i18n::phonenumbers::PhoneNumberUtil::Parse(std::__1::basic_string , std::__1::allocator > const&, std::__1::basic_string , std::__1::allocator > const&, i18n::phonenumbers::PhoneNumber*) const', 'i18n::phonenumbers::PhoneNumberDesc::example_number() const', 'i18n::phonenumbers::PhoneNumberDesc::PhoneNumberDesc(i18n::phonenumbers::PhoneNumberDesc const&)', 'i18n::phonenumbers::PhoneMetadata::toll_free() const', 'i18n::phonenumbers::RegionCode::GetUnknown()', 'i18n::phonenumbers::PhoneNumberDesc::has_example_number() const', 'std::__1::basic_string , std::__1::allocator >::~basic_string()', 'i18n::phonenumbers::LoggerHandler& i18n::phonenumbers::LoggerHandler::operator<< (char const (&) [31])', 'i18n::phonenumbers::LoggerHandler& i18n::phonenumbers::LoggerHandler::operator<< (char const (&) [2])', 'i18n::phonenumbers::StringHolder::StringHolder(char const*)', 'i18n::phonenumbers::SimpleItoa(int)', 'i18n::phonenumbers::StringHolder::StringHolder(std::__1::basic_string , std::__1::allocator > const&)', '_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEC2B8ne180100ILi0EEEPKc', 'i18n::phonenumbers::PhoneMetadata::shared_cost() const', 'i18n::phonenumbers::PhoneMetadata::voip() const', 'i18n::phonenumbers::PhoneMetadata::voicemail() const', 'i18n::phonenumbers::StrCat(i18n::phonenumbers::StringHolder const&, i18n::phonenumbers::StringHolder const&, i18n::phonenumbers::StringHolder const&)', 'i18n::phonenumbers::PhoneNumberDesc::~PhoneNumberDesc()', 'i18n::phonenumbers::PhoneMetadata::premium_rate() const', 'i18n::phonenumbers::StringHolder::~StringHolder()', 'i18n::phonenumbers::PhoneMetadata::uan() const']

0 4414 i18n::phonenumbers::PhoneNumberUtil::GetExampleNumberForNonGeoEntity(int,i18n::phonenumbers::PhoneNumber*)const call site: 00000 /src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc:2105

Runtime coverage analysis

Covered functions
565
Functions that are reachable but not covered
1421
Reachable functions
2426
Percentage of reachable functions covered
41.43%
NB: The sum of covered functions and functions that are reachable but not covered need not be equal to Reachable functions . This is because the reachability analysis is an approximation and thus at runtime some functions may be covered that are not included in the reachability analysis. This is a limitation of our static analysis capabilities.
Function name source code lines source lines hit percentage hit

Files reached

filename functions hit
/src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_util.cc 2
/src/libphonenumber/cpp/src/phonenumbers/phonenumberutil.cc 92
/src/libphonenumber/cpp/src/phonenumbers/base/memory/singleton_posix.h 4
/src/libphonenumber/cpp/src/phonenumbers/logger.h 5
/src/libphonenumber/cpp/src/phonenumbers/base/memory/scoped_ptr.h 111
/src/libphonenumber/cpp/src/phonenumbers/regex_based_matcher.cc 1
/src/libphonenumber/cpp/src/phonenumbers/matcher_api.h 2
/src/libphonenumber/cpp/src/phonenumbers/regexp_adapter_icu.h 1
/src/libphonenumber/cpp/src/phonenumbers/regexp_adapter.h 10
/src/libphonenumber/cpp/src/phonenumbers/regexp_cache.cc 3
/src/libphonenumber/cpp/src/phonenumbers/base/synchronization/lock_posix.h 4
/src/libphonenumber/cpp/src/phonenumbers/stringutil.cc 25
/usr/local/include/absl/strings/str_cat.h 12
/usr/local/include/absl/strings/string_view.h 15
/src/abseil-cpp/absl/strings/numbers.cc 11
/src/abseil-cpp/absl/strings/numbers.h 1
/src/abseil-cpp/absl/strings/str_cat.cc 9
/src/abseil-cpp/absl/strings/internal/resize_uninitialized.h 4
/src/libphonenumber/cpp/src/phonenumbers/encoding_utils.h 1
/src/libphonenumber/cpp/src/phonenumbers/utf/rune.c 3
/src/libphonenumber/cpp/src/phonenumbers/base/synchronization/lock.h 2
/usr/local/include/absl/container/node_hash_set.h 8
/usr/local/include/absl/container/internal/raw_hash_set.h 168
/usr/local/include/absl/container/internal/compressed_tuple.h 44
/usr/local/include/absl/utility/utility.h 11
/usr/local/include/absl/container/node_hash_map.h 16
/usr/local/include/absl/container/internal/raw_hash_map.h 4
/src/libphonenumber/cpp/src/phonenumbers/phonemetadata.pb.h 96
/src/libphonenumber/cpp/src/phonenumbers/phonemetadata.pb.cc 17
/usr/local/include/google/protobuf/message_lite.h 5
/usr/local/include/google/protobuf/metadata_lite.h 11
/usr/local/include/google/protobuf/repeated_field.h 47
/usr/local/include/google/protobuf/generated_message_util.h 3
/src/protobuf/src/google/protobuf/generated_message_util.cc 6
/src/protobuf/src/google/protobuf/stubs/common.cc 8
/src/protobuf/src/google/protobuf/stubs/common.h 1
/usr/local/bin/../include/c++/v1/__exception/exception.h 1
/src/protobuf/src/google/protobuf/generated_message_util.h 1
/src/protobuf/src/google/protobuf/message_lite.cc 9
/src/protobuf/src/google/protobuf/stubs/mutex.h 5
/usr/local/include/google/protobuf/arenastring.h 9
/src/protobuf/src/google/protobuf/repeated_field.h 34
/usr/local/include/google/protobuf/arena.h 6
/src/protobuf/src/google/protobuf/arena.cc 13
/src/libphonenumber/cpp/src/phonenumbers/metadata.cc 2
/usr/local/include/google/protobuf/stubs/stringpiece.h 1
/src/protobuf/src/google/protobuf/message_lite.h 2
/src/protobuf/src/google/protobuf/io/coded_stream.h 1
/src/protobuf/src/google/protobuf/parse_context.h 4
/src/protobuf/src/google/protobuf/stubs/stringpiece.h 2
/usr/local/include/google/protobuf/parse_context.h 1
/src/libphonenumber/cpp/src/phonenumbers/default_logger.h 62
/src/libphonenumber/cpp/src/phonenumbers/region_code.h 2
/usr/local/include/absl/container/internal/hash_policy_traits.h 27
/usr/local/include/absl/container/internal/container_memory.h 36
/usr/local/include/absl/base/internal/prefetch.h 1
/usr/local/include/absl/hash/internal/hash.h 21
/usr/local/include/absl/numeric/bits.h 1
/usr/local/include/absl/container/internal/node_slot_policy.h 12
/src/abseil-cpp/absl/container/internal/raw_hash_set.h 4
/src/abseil-cpp/absl/container/internal/raw_hash_set.cc 3
/src/abseil-cpp/absl/numeric/bits.h 2
/usr/local/include/absl/container/internal/hashtablez_sampler.h 5
/usr/local/include/absl/memory/memory.h 20
/usr/local/include/absl/container/internal/hash_function_defaults.h 2
/src/abseil-cpp/absl/hash/internal/hash.cc 2
/src/abseil-cpp/absl/hash/internal/low_level_hash.cc 2
/usr/local/include/absl/base/internal/unaligned_access.h 2
/src/abseil-cpp/absl/numeric/int128.h 7
/src/libphonenumber/cpp/src/phonenumbers/phonenumber.pb.h 51
/src/libphonenumber/cpp/src/phonenumbers/phonenumber.pb.cc 9
/usr/local/include/absl/types/optional.h 11
/usr/local/include/absl/types/internal/optional.h 15
/src/abseil-cpp/absl/types/bad_optional_access.cc 2
/src/abseil-cpp/absl/types/bad_optional_access.h 1
/src/libphonenumber/cpp/src/phonenumbers/utf/unicodetext.cc 20
/src/libphonenumber/cpp/src/phonenumbers/utf/unicodetext.h 9
/src/libphonenumber/cpp/src/phonenumbers/utf/unilib.h 3
/src/libphonenumber/cpp/src/phonenumbers/utf/unilib.cc 2
/src/protobuf/src/google/protobuf/arenastring.cc 7
/usr/local/include/google/protobuf/arena_impl.h 3
/src/protobuf/src/google/protobuf/arena_impl.h 16
/src/protobuf/src/google/protobuf/arena.h 3
/src/libphonenumber/cpp/src/phonenumbers/normalize_utf8.h 1
/src/icu/source/common/uchar.cpp 1
/usr/local/include/absl/strings/numbers.h 4
/src/abseil-cpp/absl/strings/ascii.h 1
/src/protobuf/src/google/protobuf/arenastring.h 1
/src/libphonenumber/cpp/src/phonenumbers/phonenumber.cc 1
/usr/local/include/absl/strings/match.h 2
/src/protobuf/src/google/protobuf/repeated_field.cc 2
/src/abseil-cpp/absl/strings/str_replace.cc 2
/src/abseil-cpp/absl/strings/str_replace.h 3
/src/abseil-cpp/absl/strings/string_view.cc 1
/src/abseil-cpp/absl/strings/internal/memutil.cc 1
/src/abseil-cpp/absl/base/internal/throw_delegate.cc 2
/usr/local/bin/../include/c++/v1/stdexcept 2
/src/abseil-cpp/absl/strings/str_cat.h 1

Analyses and suggestions

Optimal target analysis

Remaining optimal interesting functions

The following table shows a list of functions that are optimal targets. Optimal targets are identified by finding the functions that in combination, yield a high code coverage.

Func name Functions filename Arg count Args Function depth hitcount instr count bb count cyclomatic complexity Reachable functions Incoming references total cyclomatic complexity Unreached complexity
icu_66::RegexPattern::matches(icu_66::UnicodeStringconst&,icu_66::UnicodeStringconst&,UParseError&,UErrorCode&) /src/icu/source/i18n/repattrn.cpp 4 ['N/A', 'N/A', 'N/A', 'N/A'] 35 0 87 12 5 2192 0 10218 10191
icu_66::RuleBasedBreakIterator::RuleBasedBreakIterator(icu_66::UnicodeStringconst&,UParseError&,UErrorCode&) /src/icu/source/common/rbbi.cpp 4 ['N/A', 'N/A', 'N/A', 'N/A'] 33 0 134 23 20 1474 0 5887 1498
google::protobuf::internal::ExtensionSet::ParseMessageSetItem(charconst*,google::protobuf::MessageLiteconst*,google::protobuf::internal::InternalMetadata*,google::protobuf::internal::ParseContext*) /src/protobuf/src/google/protobuf/extension_set.cc 5 ['N/A', 'N/A', 'N/A', 'N/A', 'N/A'] 23 0 32 3 2 763 0 1501 1239

Implementing fuzzers that target the above functions will improve reachability such that it becomes:

Functions statically reachable by fuzzers
43.0%
3267 / 7660
Cyclomatic complexity statically reachable by fuzzers
48.0%
21108 / 43914

All functions overview

If you implement fuzzers for these functions, the status of all functions in the project will be:

Func name Functions filename Args Function call depth Reached by Fuzzers Fuzzers runtime hit Func lines hit % I Count BB Count Cyclomatic complexity Functions reached Reached by functions Accumulated cyclomatic complexity Undiscovered complexity

Fuzz engine guidance

This sections provides heuristics that can be used as input to a fuzz engine when running a given fuzz target. The current focus is on providing input that is usable by libFuzzer.

/src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_asyoutypeformatter.cc

Dictionary

Use this with the libFuzzer -dict=DICT.file flag


/src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_shortnumberinfo.cc

Dictionary

Use this with the libFuzzer -dict=DICT.file flag


/src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_matcher.cc

Dictionary

Use this with the libFuzzer -dict=DICT.file flag


/src/libphonenumber/cpp/build/../test/phonenumbers/fuzz_util.cc

Dictionary

Use this with the libFuzzer -dict=DICT.file flag


Fuzzer function priority

Use one of these functions as input to libfuzzer with flag: -focus_function name 

-focus_function=['i18n::phonenumbers::PhoneNumberUtil::PhoneNumberUtil()', 'i18n::phonenumbers::PhoneNumberUtil::PhoneNumberUtil()', 'i18n::phonenumbers::PhoneNumberUtil::PhoneNumberUtil()', 'i18n::phonenumbers::PhoneNumber::_internal_set_raw_input(std::__1::basic_string, std::__1::allocator > const&)', 'i18n::phonenumbers::NumberFormat::_internal_set_domestic_carrier_code_formatting_rule(std::__1::basic_string, std::__1::allocator > const&)', 'i18n::phonenumbers::(anonymous namespace)::TestNumberLength(std::__1::basic_string, std::__1::allocator > const&, i18n::phonenumbers::PhoneMetadata const&, i18n::phonenumbers::PhoneNumberUtil::PhoneNumberType)', 'i18n::phonenumbers::PhoneNumberUtil::FormatOutOfCountryCallingNumber(i18n::phonenumbers::PhoneNumber const&, std::__1::basic_string, std::__1::allocator > const&, std::__1::basic_string, std::__1::allocator >*) const', 'i18n::phonenumbers::PhoneMetadataCollection::SharedCtor()', 'i18n::phonenumbers::PhoneNumberUtil::FormatOutOfCountryKeepingAlphaChars(i18n::phonenumbers::PhoneNumber const&, std::__1::basic_string, std::__1::allocator > const&, std::__1::basic_string, std::__1::allocator >*) const', 'i18n::phonenumbers::PhoneNumberUtil::FormatOutOfCountryKeepingAlphaChars(i18n::phonenumbers::PhoneNumber const&, std::__1::basic_string, std::__1::allocator > const&, std::__1::basic_string, std::__1::allocator >*) const']

Runtime coverage analysis

This section shows analysis of runtime coverage data.

For futher technical details on how this section is generated, please see the Glossary .

Complex functions with low coverage

Func name Function total lines Lines covered at runtime percentage covered Reached by fuzzers
i18n::phonenumbers::PhoneNumberUtil::FormatInOriginalFormat(i18n::phonenumbers::PhoneNumberconst&,std::__1::basic_string ,std::__1::allocator >const&,std::__1::basic_string ,std::__1::allocator >*)const 82 10 12.19% ['fuzz_util']
i18n::phonenumbers::PhoneNumberUtil::FormatOutOfCountryKeepingAlphaChars(i18n::phonenumbers::PhoneNumberconst&,std::__1::basic_string ,std::__1::allocator >const&,std::__1::basic_string ,std::__1::allocator >*)const 74 31 41.89% ['fuzz_util']
i18n::phonenumbers::PhoneNumberUtil::GetNumberTypeHelper(std::__1::basic_string ,std::__1::allocator >const&,i18n::phonenumbers::PhoneMetadataconst&)const 62 31 50.0% ['fuzz_matcher', 'fuzz_util']
i18n::phonenumbers::PhoneNumberUtil::IsNumberMatchWithOneString(i18n::phonenumbers::PhoneNumberconst&,std::__1::basic_string ,std::__1::allocator >const&)const 31 8 25.80% ['fuzz_matcher', 'fuzz_util']
chartorune 46 20 43.47% ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util']

Files and Directories in report

This section shows which files and directories are considered in this report. The main reason for showing this is fuzz introspector may include more code in the reasoning than is desired. This section helps identify if too many files/directories are included, e.g. third party code, which may be irrelevant for the threat model. In the event too much is included, fuzz introspector supports a configuration file that can exclude data from the report. See the following link for more information on how to create a config file: link

Files in report

Source file Reached by Covered by
[] []
/src/icu/source/common/utrie_swap.cpp [] []
/src/icu/source/common/unistr.cpp [] []
/src/icu/source/common/udatamem.cpp [] []
/src/icu/source/common/servnotf.cpp [] []
/usr/local/include/absl/container/node_hash_map.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] []
/src/icu/source/common/locid.cpp [] []
/src/icu/source/common/./unicode/locid.h [] []
/src/icu/source/common/./unicode/symtable.h [] []
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/usr/include/unicode/rep.h [] []
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/usr/local/include/absl/container/flat_hash_map.h ['fuzz_shortnumberinfo'] []
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/src/protobuf/src/google/protobuf/extension_set.cc [] []
/src/icu/source/common/util.cpp [] []
/src/icu/source/common/uenum.cpp [] []
/src/abseil-cpp/absl/strings/str_replace.h ['fuzz_asyoutypeformatter', 'fuzz_util'] ['fuzz_util']
/src/icu/source/i18n/../common/unicode/char16ptr.h [] []
/src/libphonenumber/cpp/src/phonenumbers/stringutil.h ['fuzz_matcher'] []
/src/icu/source/common/uloc_tag.cpp [] []
/src/icu/source/common/bytesinkutil.cpp [] []
/src/icu/source/common/locavailable.cpp [] []
/src/icu/source/common/servslkf.cpp [] []
/src/icu/source/common/ustr_titlecase_brkiter.cpp [] []
/src/icu/source/common/uobject.cpp [] []
/src/libphonenumber/cpp/src/phonenumbers/phonemetadata.pb.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/usr/local/include/absl/container/internal/hash_policy_traits.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/src/libphonenumber/cpp/src/phonenumbers/logger.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/src/protobuf/src/google/protobuf/stubs/port.h [] []
/src/icu/source/common/uniset_props.cpp [] []
/usr/local/include/google/protobuf/wire_format_lite.h [] []
/src/abseil-cpp/absl/strings/match.cc [] []
/usr/local/include/absl/strings/string_view.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/src/abseil-cpp/absl/strings/internal/charconv_parse.h [] []
/src/icu/source/common/utf_impl.cpp [] []
/src/protobuf/src/google/protobuf/generated_enum_util.cc [] []
/src/icu/source/common/./mutex.h [] []
/src/icu/source/common/./uresdata.h [] []
/src/icu/source/common/./unicode/utext.h [] []
/src/libphonenumber/cpp/src/phonenumbers/metadata.cc ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/usr/local/include/google/protobuf/has_bits.h [] []
/src/icu/source/common/./unicode/unifilt.h [] []
/src/protobuf/src/google/protobuf/parse_context.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/src/protobuf/src/google/protobuf/repeated_field.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/src/protobuf/src/google/protobuf/implicit_weak_message.h [] []
/src/icu/source/common/./unicode/bytestrie.h [] []
/src/libphonenumber/cpp/src/phonenumbers/regexp_adapter.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/usr/local/include/absl/container/internal/node_slot_policy.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/src/icu/source/common/resource.cpp [] []
/usr/local/include/absl/strings/match.h ['fuzz_matcher', 'fuzz_util'] []
/src/icu/source/common/./uhash.h [] []
/src/libphonenumber/cpp/src/phonenumbers/phonenumber.pb.cc ['fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/src/protobuf/src/google/protobuf/io/zero_copy_stream.h [] []
/src/icu/source/common/./unicode/unimatch.h [] []
/usr/local/include/google/protobuf/arena.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] []
/src/icu/source/common/./unicode/umutablecptrie.h [] []
/src/icu/source/common/bytestream.cpp [] []
/src/icu/source/common/cmemory.cpp [] []
/src/icu/source/common/uhash.cpp [] []
/src/icu/source/common/ucmndata.cpp [] []
/src/abseil-cpp/absl/strings/charconv.cc [] []
/src/icu/source/common/locutil.cpp [] []
/src/icu/source/common/serv.cpp [] []
/src/icu/source/common/schriter.cpp [] []
/usr/local/include/absl/container/internal/raw_hash_map.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] []
/src/icu/source/i18n/../common/uvectr32.h [] []
/usr/local/include/absl/strings/numbers.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] []
/src/protobuf/src/google/protobuf/arena.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/usr/local/include/google/protobuf/parse_context.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] []
/src/protobuf/src/google/protobuf/extension_set_inl.h [] []
/src/icu/source/common/./unicode/edits.h [] []
/src/icu/source/common/ruleiter.cpp [] []
/src/icu/source/common/uhash_us.cpp [] []
/src/abseil-cpp/absl/base/casts.h [] []
/src/protobuf/src/google/protobuf/stubs/int128.h [] []
/src/abseil-cpp/absl/hash/internal/hash.h [] []
/src/libphonenumber/cpp/src/phonenumbers/short_metadata.cc ['fuzz_shortnumberinfo'] []
/src/icu/source/common/./bytesinkutil.h [] []
/src/icu/source/common/./uvector.h [] []
/src/libphonenumber/cpp/src/phonenumbers/matcher_api.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] []
/src/icu/source/common/./unicode/ucharstriebuilder.h [] []
/usr/local/include/absl/container/internal/container_memory.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/src/libphonenumber/cpp/src/phonenumbers/shortnumberinfo.cc ['fuzz_shortnumberinfo'] []
/src/libphonenumber/cpp/src/phonenumbers/phonenumbermatch.h ['fuzz_matcher'] []
/src/icu/source/common/patternprops.cpp [] []
/src/icu/source/common/unames.cpp [] []
/usr/local/bin/../include/c++/v1/new [] []
/src/libphonenumber/cpp/src/phonenumbers/normalize_utf8.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/src/protobuf/src/google/protobuf/io/zero_copy_stream_impl.h [] []
/usr/local/include/absl/types/internal/optional.h ['fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']
/src/icu/source/common/ustrcase_locale.cpp [] []
/src/protobuf/src/google/protobuf/stubs/stringpiece.cc [] []
/src/icu/source/common/brkiter.cpp [] []
/src/abseil-cpp/absl/base/internal/atomic_hook.h [] []
/usr/local/include/google/protobuf/stubs/port.h [] []
/src/icu/source/common/unifilt.cpp [] []
/src/libphonenumber/cpp/src/phonenumbers/asyoutypeformatter.cc ['fuzz_asyoutypeformatter'] []
/src/abseil-cpp/absl/strings/internal/resize_uninitialized.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] []
/src/icu/source/common/chariter.cpp [] []
/usr/local/include/absl/utility/utility.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] []
/src/protobuf/src/google/protobuf/io/zero_copy_stream_impl.cc [] []
/src/protobuf/src/google/protobuf/stubs/common.h ['fuzz_asyoutypeformatter', 'fuzz_shortnumberinfo', 'fuzz_matcher', 'fuzz_util'] ['fuzz_util']

Directories in report

Directory
/usr/local/bin/../include/c++/v1/
/src/libphonenumber/cpp/build/../test/phonenumbers/
/usr/local/include/absl/base/internal/
/src/libphonenumber/cpp/src/phonenumbers/base/memory/
/src/abseil-cpp/absl/hash/internal/
/usr/include/x86_64-linux-gnu/bits/
/src/abseil-cpp/absl/base/
/usr/local/include/absl/utility/
/src/libphonenumber/cpp/src/phonenumbers/
/src/protobuf/src/google/protobuf/
/src/icu/source/common/./
/src/icu/source/common/
/usr/local/include/absl/strings/
/src/abseil-cpp/absl/strings/
/src/abseil-cpp/absl/types/
/usr/local/include/absl/types/
/src/libphonenumber/cpp/src/phonenumbers/base/strings/
/usr/local/include/google/protobuf/
/src/abseil-cpp/absl/container/internal/
/usr/local/include/absl/memory/
/src/icu/source/i18n/
/usr/local/bin/../include/c++/v1/__exception/
/src/protobuf/src/google/protobuf/stubs/
/src/icu/source/i18n/../common/
/usr/local/include/absl/types/internal/
/src/abseil-cpp/absl/strings/internal/
/usr/local/include/absl/numeric/
/usr/local/include/absl/container/internal/
/usr/local/include/absl/hash/internal/
/usr/local/include/google/protobuf/stubs/
/src/protobuf/src/google/protobuf/io/
/usr/local/include/absl/strings/internal/
/usr/local/include/google/protobuf/io/
/src/libphonenumber/cpp/src/phonenumbers/utf/
/src/abseil-cpp/absl/numeric/
/src/abseil-cpp/absl/base/internal/
/usr/local/include/absl/container/
/src/icu/source/i18n/./
/usr/include/unicode/
/src/icu/source/common/./unicode/
/src/icu/source/i18n/../common/unicode/
/src/libphonenumber/cpp/src/phonenumbers/base/synchronization/

Metadata section

This sections shows the raw data that is used to produce this report. This is mainly used for further processing and developer debugging.

Fuzzer Calltree file Program data file Coverage file
fuzz_asyoutypeformatter fuzzerLogFile-0-UkLZ5ZwXaA.data fuzzerLogFile-0-UkLZ5ZwXaA.data.yaml fuzz_asyoutypeformatter.covreport
fuzz_shortnumberinfo fuzzerLogFile-0-qN9INIyAkm.data fuzzerLogFile-0-qN9INIyAkm.data.yaml fuzz_shortnumberinfo.covreport
fuzz_matcher fuzzerLogFile-0-Khq9eV0Riq.data fuzzerLogFile-0-Khq9eV0Riq.data.yaml fuzz_matcher.covreport
fuzz_util fuzzerLogFile-0-gjTYE2npJ0.data fuzzerLogFile-0-gjTYE2npJ0.data.yaml fuzz_util.covreport