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
0	0	None	0	26	firebase::firestore::util::internal::StringFormatPieces(charconst*,std::initializer_list )	call site: 00000	/src/firebase-ios-sdk/Firestore/core/src/util/string_format.cc:78
0	0	1 : View List ['std::__1::basic_string , std::__1::allocator >::append(char const*)']	0	0	firebase::firestore::util::internal::StringFormatPieces(charconst,std::initializer_list )::$_0::operator()(std::__1::basic_string ,std::__1::allocator >)const	call site: 00000	/src/firebase-ios-sdk/Firestore/core/src/util/string_format.cc:37

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           firebase::firestore::model::FieldPath::FromServerFormat(std::__1::basic_string
           
            , std::__1::allocator
            
             > const&)

[function] [call site] 00001


             absl::lts_20211102::string_view::string_view
             
              >(std::__1::basic_string
              
               , std::__1::allocator
               
                > const&)

[function] [call site] 00002


               absl::lts_20211102::string_view::string_view(char const*, unsigned long, absl::lts_20211102::string_view::SkipCheckLengthTag)

[function] [call site] 00003


             firebase::firestore::model::FieldPath::FromServerFormatView(absl::lts_20211102::string_view)

[function] [call site] 00004


               absl::lts_20211102::string_view::size() const

[function] [call site] 00005


               firebase::firestore::util::Status::Status()

[function] [call site] 00006


               absl::lts_20211102::string_view::size() const

[function] [call site] 00007


               absl::lts_20211102::string_view::operator[](unsigned long) const

[function] [call site] 00008


                 absl::lts_20211102::string_view::size() const

[function] [call site] 00009


               firebase::firestore::model::FieldPath::FromServerFormatView(absl::lts_20211102::string_view)::$_1::operator()() const

[function] [call site] 00010


                 std::__1::basic_string
                 
                  , std::__1::allocator
                  
                   > firebase::firestore::util::StringFormat
                   
                    (char const*, absl::lts_20211102::string_view const&)

[function] [call site] 00011


                   firebase::firestore::util::FormatArg::FormatArg
                   
                    (absl::lts_20211102::string_view const&)

[function] [call site] 00012


                     firebase::firestore::util::FormatArg::FormatArg
                     
                      (absl::lts_20211102::string_view const&, firebase::firestore::util::internal::FormatChoice<5>)

[function] [call site] 00013


                       absl::lts_20211102::AlphaNum::AlphaNum(absl::lts_20211102::string_view)

[function] [call site] 00014


                   absl::lts_20211102::AlphaNum::Piece() const

[function] [call site] 00015


                   firebase::firestore::util::internal::StringFormatPieces(char const*, std::initializer_list
                   
                    )

[function] [call site] 00016


                     strlen

[call site] 00017


                     firebase::firestore::util::internal::StringFormatPieces(char const*, std::initializer_list
                     
                      )::$_1::operator()(char) const

[function] [call site] 00018


                       firebase::firestore::util::internal::StringFormatPieces(char const*, std::initializer_list
                       
                        )::$_0::operator()(std::__1::basic_string
                        
                         , std::__1::allocator
                         
                          >*) const

[function] [call site] 00019


                         absl::lts_20211102::string_view::data() const

[function] [call site] 00020


                     firebase::firestore::util::internal::StringFormatPieces(char const*, std::initializer_list
                     
                      )::$_1::operator()(char) const

[function] [call site] 00021


                 firebase::firestore::util::Status::Status(firebase::firestore::Error, std::__1::basic_string
                 
                  , std::__1::allocator
                  
                   >)

[function] [call site] 00022


                   firebase::firestore::util::StringFormat()

[function] [call site] 00023


                   firebase::firestore::util::internal::FailAssertion(char const*, char const*, int, std::__1::basic_string
                   
                    , std::__1::allocator
                    
                     > const&, char const*)

[function] [call site] 00024


                     std::__1::basic_string
                     
                      , std::__1::allocator
                      
                       > firebase::firestore::util::StringFormat
                       
                        , std::__1::allocator
                        
                         >, char const*>(char const*, std::__1::basic_string
                         
                          , std::__1::allocator
                          
                           > const&, char const* const&)

[function] [call site] 00025


                     firebase::firestore::util::internal::FailAssertion(char const*, char const*, int, std::__1::basic_string
                     
                      , std::__1::allocator
                      
                       > const&)

[function] [call site] 00026


                       firebase::firestore::util::Throw(firebase::firestore::util::ExceptionType, char const*, char const*, int, std::__1::basic_string
                       
                        , std::__1::allocator
                        
                         > const&)

[function] [call site] 00027


                   std::__1::unique_ptr
                   
                    firebase::firestore::util::Status::State::MakePtr
                    
                     , std::__1::allocator
                     
                      > >(firebase::firestore::Error&, std::__1::basic_string
                      
                       , std::__1::allocator
                       
                        >&&)

[function] [call site] 00028


                     firebase::firestore::util::Status::State::State(firebase::firestore::Error, std::__1::basic_string
                     
                      , std::__1::allocator
                      
                       >&&)

[function] [call site] 00029


                 firebase::firestore::util::Status::OK()

[function] [call site] 00030


                   firebase::firestore::util::Status::Status()

[function] [call site] 00031


               firebase::firestore::util::Status::operator=(firebase::firestore::util::Status&&)

[function] [call site] 00032


                 firebase::firestore::util::Status::SetMovedFrom()

[function] [call site] 00033


                   firebase::firestore::util::Status::State::MovedFromIndicator()

[function] [call site] 00034


                 __clang_call_terminate

[call site] 00035


                   __cxa_begin_catch

[call site] 00036


               absl::lts_20211102::string_view::size() const

[function] [call site] 00037


               std::__1::basic_string
               
                , std::__1::allocator
                
                 > firebase::firestore::util::StringFormat
                 
                  (char const*, absl::lts_20211102::string_view const&)

[function] [call site] 00038


               firebase::firestore::util::Status::Status(firebase::firestore::Error, std::__1::basic_string
               
                , std::__1::allocator
                
                 >)

[function] [call site] 00039


               firebase::firestore::util::Status::operator=(firebase::firestore::util::Status&&)

[function] [call site] 00040


               absl::lts_20211102::string_view::operator[](unsigned long) const

[function] [call site] 00041


               firebase::firestore::util::Status::ok() const

[function] [call site] 00042


               firebase::firestore::util::StatusOr
               
                ::StatusOr(firebase::firestore::util::Status&&)

[function] [call site] 00043


                 firebase::firestore::util::internal_statusor::StatusOrData
                 
                  ::StatusOrData(firebase::firestore::util::Status&&)

[function] [call site] 00044


                   firebase::firestore::util::Status::Status(firebase::firestore::util::Status&&)

[function] [call site] 00045


                     firebase::firestore::util::Status::SetMovedFrom()

[function] [call site] 00046


                     __clang_call_terminate

[call site] 00047


                   firebase::firestore::util::internal_statusor::StatusOrData
                   
                    ::EnsureNotOk()

[function] [call site] 00048


                     firebase::firestore::util::internal_statusor::StatusOrData
                     
                      ::ok() const

[function] [call site] 00049


                     firebase::firestore::util::internal_statusor::Helper::HandleInvalidStatusCtorArg(firebase::firestore::util::Status*)

[function] [call site] 00050


                       std::__1::basic_string
                       
                        , std::__1::allocator
                        
                         > firebase::firestore::util::StringFormat
                         
                          (char const*, char const* const&)

[function] [call site] 00051


                       firebase::firestore::util::internal::FailAssertion(char const*, char const*, int, std::__1::basic_string
                       
                        , std::__1::allocator
                        
                         > const&)

[function] [call site] 00052


                   firebase::firestore::util::Status::~Status()

[function] [call site] 00053


               firebase::firestore::model::FieldPath::FromServerFormatView(absl::lts_20211102::string_view)::$_1::operator()() const

[function] [call site] 00054


               firebase::firestore::util::Status::operator=(firebase::firestore::util::Status&&)

[function] [call site] 00055


               firebase::firestore::util::Status::ok() const

[function] [call site] 00056


               firebase::firestore::util::StatusOr
               
                ::StatusOr(firebase::firestore::util::Status&&)

[function] [call site] 00057


               std::__1::basic_string
               
                , std::__1::allocator
                
                 > firebase::firestore::util::StringFormat
                 
                  (char const*, absl::lts_20211102::string_view const&)

[function] [call site] 00058


               firebase::firestore::util::Status::Status(firebase::firestore::Error, std::__1::basic_string
               
                , std::__1::allocator
                
                 >)

[function] [call site] 00059


               firebase::firestore::util::StatusOr
               
                ::StatusOr(firebase::firestore::util::Status&&)

[function] [call site] 00060


               firebase::firestore::util::Status::~Status()

[function] [call site] 00061


               firebase::firestore::model::FieldPath::FieldPath(std::__1::vector
               
                , std::__1::allocator
                
                 >, std::__1::allocator
                 
                  , std::__1::allocator
                  
                   > > >&&)

[function] [call site] 00062


                 firebase::firestore::model::impl::BasePath
                 
                  ::BasePath(std::__1::vector
                  
                   , std::__1::allocator
                   
                    >, std::__1::allocator
                    
                     , std::__1::allocator
                     
                      > > >&&)

[function] [call site] 00063


               firebase::firestore::util::StatusOr
               
                ::StatusOr(firebase::firestore::model::FieldPath&&)

[function] [call site] 00064


                 firebase::firestore::util::internal_statusor::StatusOrData
                 
                  ::StatusOrData(firebase::firestore::model::FieldPath&&)

[function] [call site] 00065


                   firebase::firestore::model::FieldPath::FieldPath(firebase::firestore::model::FieldPath&&)

[function] [call site] 00066


                     firebase::firestore::model::impl::BasePath
                     
                      ::BasePath(firebase::firestore::model::impl::BasePath
                      
                       &&)

[function] [call site] 00067


                   void firebase::firestore::util::internal_statusor::StatusOrData
                   
                    ::MakeStatus<>()

[function] [call site] 00068


                     void firebase::firestore::util::internal_statusor::PlacementNew
                     
                      (void*)

[function] [call site] 00069


                       firebase::firestore::util::Status::Status()

[function] [call site] 00070


                   firebase::firestore::model::impl::BasePath
                   
                    ::~BasePath()

[function] [call site] 00071


               firebase::firestore::model::impl::BasePath
               
                ::~BasePath()

[function] [call site] 00072


               firebase::firestore::util::Status::~Status()

[function] [call site] 00073


           firebase::firestore::util::internal_statusor::StatusOrData
           
            ::~StatusOrData()

[function] [call site] 00074


             firebase::firestore::util::internal_statusor::StatusOrData
             
              ::ok() const

[function] [call site] 00075


             firebase::firestore::util::Status::~Status()

[function] [call site] 00076


             firebase::firestore::model::impl::BasePath
             
              ::~BasePath()

[function] [call site] 00077


             firebase::firestore::util::Status::~Status()

[function] [call site] 00078


             __clang_call_terminate

[call site] 00079


           __cxa_begin_catch

[call site] 00080


           __cxa_end_catch

[call site] 00081