Fuzz introspector: /src/inspector/source-code/src/sample_encode_fuzzer.cc
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
77 0 EP call site: 00000 __cxa_allocate_exception

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 sentencepiece::SentencePieceProcessor::SentencePieceProcessor() [function] [call site] 00001
1 sentencepiece::SentencePieceProcessor::SampleEncodeAsSerializedProto(std::__1::basic_string_view<char, std::__1::char_traits<char> >, int, float) const [function] [call site] 00002
2 sentencepiece::ImmutableSentencePieceText::ImmutableSentencePieceText() [function] [call site] 00003
3 sentencepiece::SentencePieceText::default_instance() [function] [call site] 00004
4 google::protobuf::internal::InitSCC(google::protobuf::internal::SCCInfoBase*) [function] [call site] 00005
5 google::protobuf::internal::InitSCCImpl(google::protobuf::internal::SCCInfoBase*) [function] [call site] 00006
6 google::protobuf::internal::LogMessage::LogMessage(google::protobuf::LogLevel, char const*, int) [function] [call site] 00007
6 google::protobuf::internal::LogMessage::operator<<(char const*) [function] [call site] 00008
6 google::protobuf::internal::LogFinisher::operator=(google::protobuf::internal::LogMessage&) [function] [call site] 00009
7 google::protobuf::internal::LogMessage::Finish() [function] [call site] 00010
8 __cxa_allocate_exception [call site] 00011
8 google::protobuf::FatalException::FatalException(char const*, int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) [function] [call site] 00012
9 std::exception::exception[abi:ne180100]() [function] [call site] 00013
9 std::exception::~exception() [call site] 00014
8 __cxa_throw [call site] 00015
8 google::protobuf::FatalException::~FatalException() [function] [call site] 00016
9 std::exception::~exception() [call site] 00017
8 __cxa_free_exception [call site] 00018
6 google::protobuf::internal::LogMessage::~LogMessage() [function] [call site] 00019
6 google::protobuf::internal::InitProtobufDefaults() [function] [call site] 00020
7 google::protobuf::internal::InitProtobufDefaultsSlow() [function] [call site] 00021
8 __cxa_guard_acquire [call site] 00022
8 google::protobuf::internal::InitProtobufDefaultsImpl() [function] [call site] 00023
9 google::protobuf::internal::OnShutdownDestroyString(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const*) [function] [call site] 00024
10 google::protobuf::internal::OnShutdownRun(void (*)(void const*), void const*) [function] [call site] 00025
11 google::protobuf::internal::ShutdownData::get() [function] [call site] 00026
12 __cxa_guard_acquire [call site] 00027
12 google::protobuf::internal::ShutdownData::ShutdownData() [function] [call site] 00028
13 google::protobuf::internal::WrappedMutex::WrappedMutex() [function] [call site] 00029
12 __cxa_guard_release [call site] 00030
12 __cxa_guard_abort [call site] 00031
11 google::protobuf::internal::MutexLock::MutexLock(google::protobuf::internal::WrappedMutex*) [function] [call site] 00032
12 google::protobuf::internal::WrappedMutex::Lock() [function] [call site] 00033
11 google::protobuf::internal::MutexLock::~MutexLock() [function] [call site] 00034
12 google::protobuf::internal::WrappedMutex::Unlock() [function] [call site] 00035
12 __clang_call_terminate [call site] 00036
13 __cxa_begin_catch [call site] 00037
10 google::protobuf::internal::DestroyString(void const*) [function] [call site] 00038
8 __cxa_guard_release [call site] 00039
8 __cxa_guard_abort [call site] 00040
6 google::protobuf::internal::WrappedMutex::Lock() [function] [call site] 00041
6 google::protobuf::internal::(anonymous namespace)::InitSCC_DFS(google::protobuf::internal::SCCInfoBase*) [function] [call site] 00042
7 google::protobuf::internal::(anonymous namespace)::InitSCC_DFS(google::protobuf::internal::SCCInfoBase*) [function] [call site] 00043
8 google::protobuf::internal::(anonymous namespace)::InitSCC_DFS(google::protobuf::internal::SCCInfoBase*) [function] [call site] 00044
6 google::protobuf::internal::WrappedMutex::Unlock() [function] [call site] 00045
4 sentencepiece::SentencePieceText::internal_default_instance() [function] [call site] 00046
2 sentencepiece::ImmutableSentencePieceText::mutable_proto() [function] [call site] 00047
2 sentencepiece::util::Status::ok() const [function] [call site] 00048
2 sentencepiece::util::Status::~Status() [function] [call site] 00049
2 sentencepiece::ImmutableSentencePieceText::SerializeAsString() const [function] [call site] 00050
3 google::protobuf::MessageLite::SerializeAsString() const [function] [call site] 00051
4 google::protobuf::MessageLite::AppendToString(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*) const [function] [call site] 00052
5 google::protobuf::internal::LogMessage::LogMessage(google::protobuf::LogLevel, char const*, int) [function] [call site] 00053
5 google::protobuf::internal::LogMessage::operator<<(char const*) [function] [call site] 00054
5 google::protobuf::(anonymous namespace)::InitializationErrorMessage(char const*, google::protobuf::MessageLite const&) [function] [call site] 00055
5 google::protobuf::internal::LogMessage::operator<<(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) [function] [call site] 00056
5 google::protobuf::internal::LogFinisher::operator=(google::protobuf::internal::LogMessage&) [function] [call site] 00057
5 google::protobuf::internal::LogMessage::~LogMessage() [function] [call site] 00058
5 google::protobuf::MessageLite::AppendPartialToString(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*) const [function] [call site] 00059
6 google::protobuf::internal::LogMessage::LogMessage(google::protobuf::LogLevel, char const*, int) [function] [call site] 00060
6 google::protobuf::internal::LogMessage::operator<<(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) [function] [call site] 00061
6 google::protobuf::internal::LogMessage::operator<<(char const*) [function] [call site] 00062
6 google::protobuf::internal::LogMessage::operator<<(unsigned long) [function] [call site] 00063
7 snprintf [call site] 00064
6 google::protobuf::internal::LogFinisher::operator=(google::protobuf::internal::LogMessage&) [function] [call site] 00065
6 google::protobuf::internal::LogMessage::~LogMessage() [function] [call site] 00066
6 google::protobuf::STLStringResizeUninitialized(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*, unsigned long) [function] [call site] 00067
6 google::protobuf::io::mutable_string_data(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*) [function] [call site] 00068
6 google::protobuf::SerializeToArrayImpl(google::protobuf::MessageLite const&, unsigned char*, int) [function] [call site] 00069
7 google::protobuf::io::CodedOutputStream::IsDefaultSerializationDeterministic() [function] [call site] 00070
7 google::protobuf::io::EpsCopyOutputStream::EpsCopyOutputStream(void*, int, bool) [function] [call site] 00071
7 google::protobuf::internal::LogMessage::LogMessage(google::protobuf::LogLevel, char const*, int) [function] [call site] 00072
7 google::protobuf::internal::LogMessage::operator<<(char const*) [function] [call site] 00073
7 google::protobuf::internal::LogFinisher::operator=(google::protobuf::internal::LogMessage&) [function] [call site] 00074
7 google::protobuf::internal::LogMessage::~LogMessage() [function] [call site] 00075
2 sentencepiece::ImmutableSentencePieceText::~ImmutableSentencePieceText() [function] [call site] 00076
1 sentencepiece::SentencePieceProcessor::~SentencePieceProcessor() [function] [call site] 00077