Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
185	0	EP	call site	__clang_call_terminate

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           proxygen::FakeHTTPCodecCallback::FakeHTTPCodecCallback()

[function] [call site] 00001


             proxygen::HTTPCodec::Callback::Callback()

[function] [call site] 00002


             folly::IOBufQueue::Options::Options()

[function] [call site] 00003


             folly::IOBufQueue::IOBufQueue(folly::IOBufQueue::Options const&)

[function] [call site] 00004


               folly::IOBufQueue::WritableRangeCacheData::WritableRangeCacheData()

[function] [call site] 00005


             proxygen::HTTPCodec::Callback::~Callback()

[function] [call site] 00006


           proxygen::HTTP1xCodec::HTTP1xCodec(proxygen::TransportDirection, bool, bool)

[function] [call site] 00007


             proxygen::HTTPCodec::HTTPCodec()

[function] [call site] 00008


             folly::Range
             
              ::Range()

[function] [call site] 00009


             proxygen::HTTPHeaderSize::HTTPHeaderSize()

[function] [call site] 00010


             proxygen::http_parser_init(proxygen::http_parser*, proxygen::http_parser_type)

[function] [call site] 00011


             google::LogMessageFatal::LogMessageFatal(char const*, int)

[call site] 00012


             proxygen::HTTPCodec::~HTTPCodec()

[function] [call site] 00013


           proxygen::HTTP1xCodec::setCallback(proxygen::HTTPCodec::Callback*)

[function] [call site] 00014


           unsigned long proxygen::parse
           
            (proxygen::HTTP1xCodec*, unsigned char const*, unsigned int, int, std::__1::function
            
             )

[function] [call site] 00015


             folly::IOBufQueue::cacheChainLength()

[function] [call site] 00016


               folly::IOBufQueue::Options::Options()

[function] [call site] 00017


             folly::IOBufQueue::IOBufQueue(folly::IOBufQueue::Options const&)

[function] [call site] 00018


             folly::IOBuf::copyBuffer(void const*, unsigned long, unsigned long, unsigned long)

[function] [call site] 00019


               bool folly::checked_add
               
                (unsigned long*, unsigned long, unsigned long, unsigned long)

[function] [call site] 00020


                 bool folly::checked_add
                 
                  (unsigned long*, unsigned long, unsigned long)

[function] [call site] 00021


                 bool folly::checked_add
                 
                  (unsigned long*, unsigned long, unsigned long)

[function] [call site] 00022


               std::length_error::length_error(char const*)

[function] [call site] 00023


                 std::logic_error::logic_error(char const*)

[call site] 00024


               void folly::throw_exception
               
                (std::length_error&&)

[function] [call site] 00025


                 __cxa_allocate_exception

[call site] 00026


                 std::length_error::length_error(std::length_error const&)

[function] [call site] 00027


                   std::logic_error::logic_error(std::logic_error const&)

[call site] 00028


               std::length_error::~length_error()

[call site] 00029


               folly::IOBuf::create(unsigned long)

[function] [call site] 00030


                 void folly::detail::throw_exception_
                 
                  ()

[function] [call site] 00031


                   std::bad_alloc::bad_alloc()

[call site] 00032


                   void folly::throw_exception
                   
                    (std::bad_alloc&&)

[function] [call site] 00033


                     std::bad_alloc::bad_alloc(std::bad_alloc const&)

[function] [call site] 00034


                       std::exception::exception(std::exception const&)

[function] [call site] 00035


                 folly::IOBuf::createCombined(unsigned long)

[function] [call site] 00036


                   void folly::detail::throw_exception_
                   
                    ()

[function] [call site] 00037


                   folly::goodMallocSize(unsigned long)

[function] [call site] 00038


                     folly::canNallocx()

[function] [call site] 00039


                       __cxa_guard_acquire

[call site] 00040


                       folly::usingJEMalloc()

[function] [call site] 00041


                         __cxa_guard_acquire

[call site] 00042


                         folly::usingJEMalloc()::{lambda()#1}::operator()() const

[function] [call site] 00043


                           mallctl

[call site] 00044


                           __cxa_guard_acquire

[call site] 00045


                     nallocx

[call site] 00046


                   folly::checkedMalloc(unsigned long)

[function] [call site] 00047


                     void folly::detail::throw_exception_
                     
                      ()

[function] [call site] 00048


                   folly::IOBuf::HeapPrefix::HeapPrefix(unsigned short, unsigned long)

[function] [call site] 00049


                   folly::IOBuf::SharedInfo::SharedInfo(void (*)(void*, void*), void*, bool)

[function] [call site] 00050


                   io_buf_alloc_cb(void*, unsigned long)

[call site] 00051


                   folly::IOBuf::packFlagsAndSharedInfo(unsigned long, folly::IOBuf::SharedInfo*)

[function] [call site] 00052


                   folly::IOBuf::IOBuf(folly::IOBuf::InternalConstructor, unsigned long, unsigned char*, unsigned long, unsigned char*, unsigned long)

[function] [call site] 00053


                 folly::canNallocx()

[function] [call site] 00054


                 folly::goodMallocSize(unsigned long)

[function] [call site] 00055


                 folly::checkedMalloc(unsigned long)

[function] [call site] 00056


                 folly::IOBuf::takeOwnership(folly::IOBuf::SizedFree, void*, unsigned long, unsigned long, unsigned long, bool)

[function] [call site] 00057


                   folly::IOBuf::takeOwnership(void*, unsigned long, unsigned long, unsigned long, void (*)(void*, void*), void*, bool, folly::IOBuf::TakeOwnershipOption)

[function] [call site] 00058


                     void folly::detail::throw_exception_
                     
                      ()

[function] [call site] 00059


                     folly::detail::ScopeGuardImpl
                     
                      ::type, true> folly::makeGuard
                      
                       (folly::IOBuf::takeOwnership(void*, unsigned long, unsigned long, unsigned long, void (*)(void*, void*), void*, bool, folly::IOBuf::TakeOwnershipOption)::$_4&&)

[function] [call site] 00060


                       folly::detail::ScopeGuardImpl
                       
                        ::ScopeGuardImpl(folly::IOBuf::takeOwnership(void*, unsigned long, unsigned long, unsigned long, void (*)(void*, void*), void*, bool, folly::IOBuf::TakeOwnershipOption)::$_4&&)

[function] [call site] 00061


                         folly::detail::ScopeGuardImpl
                         
                          ::makeFailsafe(std::__1::integral_constant
                          
                           , void const*)

[function] [call site] 00062


                           folly::detail::ScopeGuardImplBase::makeEmptyScopeGuard()

[function] [call site] 00063


                             folly::detail::ScopeGuardImplBase::ScopeGuardImplBase(bool)

[function] [call site] 00064


                         folly::detail::ScopeGuardImpl
                         
                          ::ScopeGuardImpl
                          
                           (folly::IOBuf::takeOwnership(void*, unsigned long, unsigned long, unsigned long, void (*)(void*, void*), void*, bool, folly::IOBuf::TakeOwnershipOption)::$_4&&, folly::detail::ScopeGuardImplBase&&)

[function] [call site] 00065


                           folly::detail::ScopeGuardImplBase::ScopeGuardImplBase(bool)

[function] [call site] 00066


                           folly::detail::ScopeGuardImplBase::dismiss()

[function] [call site] 00067


                     folly::goodMallocSize(unsigned long)

[function] [call site] 00068


                     folly::checkedMalloc(unsigned long)

[function] [call site] 00069


                     folly::IOBuf::HeapPrefix::HeapPrefix(unsigned short, unsigned long)

[function] [call site] 00070


                     folly::IOBuf::SharedInfo::SharedInfo(void (*)(void*, void*), void*, bool)

[function] [call site] 00071


                     folly::IOBuf::packFlagsAndSharedInfo(unsigned long, folly::IOBuf::SharedInfo*)

[function] [call site] 00072


                     folly::IOBuf::IOBuf(folly::IOBuf::InternalConstructor, unsigned long, unsigned char*, unsigned long, unsigned char*, unsigned long)

[function] [call site] 00073


                     folly::detail::ScopeGuardImplBase::dismiss()

[function] [call site] 00074


                     io_buf_alloc_cb(void*, unsigned long)

[call site] 00075


                     io_buf_alloc_cb(void*, unsigned long)

[call site] 00076


                     folly::detail::ScopeGuardImpl
                     
                      ::~ScopeGuardImpl()

[function] [call site] 00077


                       folly::detail::ScopeGuardImpl
                       
                        ::execute()

[function] [call site] 00078


                         folly::IOBuf::takeOwnership(void*, unsigned long, unsigned long, unsigned long, void (*)(void*, void*), void*, bool, folly::IOBuf::TakeOwnershipOption)::$_4::operator()() const

[function] [call site] 00079


                           (anonymous namespace)::takeOwnershipError(bool, void*, void (*)(void*, void*), void*)

[function] [call site] 00080


                             __clang_call_terminate

[call site] 00081


                               __cxa_begin_catch

[call site] 00082


                 folly::IOBuf::createSeparate(unsigned long)

[function] [call site] 00083


               folly::IOBuf::advance(unsigned long)

[function] [call site] 00084


               folly::IOBuf::writableData()

[function] [call site] 00085


               folly::IOBuf::append(unsigned long)

[function] [call site] 00086


             folly::IOBufQueue::append(std::__1::unique_ptr
             
              >&&, bool, bool)

[function] [call site] 00087


               folly::IOBufQueue::updateGuard()

[function] [call site] 00088


                 folly::IOBufQueue::flushCache() const

[function] [call site] 00089


                   folly::IOBufQueue::dcheckCacheIntegrity() const

[function] [call site] 00090


                   folly::IOBuf::prev()

[function] [call site] 00091


                   folly::IOBuf::append(unsigned long)

[function] [call site] 00092


                 folly::detail::ScopeGuardImpl
                 
                  ::type, true> folly::makeGuard
                  
                   (std::__1::decay&&)

[function] [call site] 00093


                   folly::detail::ScopeGuardImpl
                   
                    ::ScopeGuardImpl({lambda()#1}&&)

[function] [call site] 00094


                     folly::detail::ScopeGuardImpl
                     
                      ::makeFailsafe(std::__1::integral_constant
                      
                       , void const*)

[function] [call site] 00095


                     folly::detail::ScopeGuardImpl
                     
                      ::ScopeGuardImpl<{lambda()#1}>({lambda()#1}&&, folly::detail::ScopeGuardImplBase&&)

[function] [call site] 00096


               folly::IOBuf::computeChainDataLength() const

[function] [call site] 00097


               (anonymous namespace)::appendToChain(std::__1::unique_ptr
               
                >&, std::__1::unique_ptr
                
                 >&&, bool)

[function] [call site] 00098


                 folly::IOBuf::prev()

[function] [call site] 00099


                 void (anonymous namespace)::packInto
                 
                  >, (anonymous namespace)::appendToChain(std::__1::unique_ptr
                  
                   >&, std::__1::unique_ptr
                   
                    >&&, bool)::$_0>(folly::IOBuf*, std::__1::unique_ptr
                    
                     >&, (anonymous namespace)::appendToChain(std::__1::unique_ptr
                     
                      >&, std::__1::unique_ptr
                      
                       >&&, bool)::$_0)

[function] [call site] 00100


                   folly::IOBuf::isSharedOne() const

[function] [call site] 00101


                     folly::IOBuf::sharedInfo() const

[function] [call site] 00102


                     folly::IOBuf::sharedInfo() const

[function] [call site] 00103


                     folly::IOBuf::sharedInfo() const

[function] [call site] 00104


                   folly::IOBuf::length() const

[function] [call site] 00105


                   folly::IOBuf::append(unsigned long)

[function] [call site] 00106


                   auto (anonymous namespace)::appendToChain(std::__1::unique_ptr
                   
                    >&, std::__1::unique_ptr
                    
                     >&&, bool)::$_0::operator()
                     
                      > >(std::__1::unique_ptr
                      
                       >&&) const

[function] [call site] 00107


                     folly::IOBuf::pop()

[function] [call site] 00108


                 folly::IOBuf::insertAfterThisOne(std::__1::unique_ptr
                 
                  >&&)

[function] [call site] 00109


                   folly::IOBuf::appendToChain(std::__1::unique_ptr
                   
                    >&&)

[function] [call site] 00110


               folly::IOBufQueue::maybeReuseTail()

[function] [call site] 00111


                 folly::IOBuf::isSharedOne() const

[function] [call site] 00112


                 folly::IOBuf::tailroom() const

[function] [call site] 00113


                   folly::IOBuf::bufferEnd() const

[function] [call site] 00114


                 folly::IOBuf::length() const

[function] [call site] 00115


                 folly::IOBuf::pop()

[function] [call site] 00116


                 folly::IOBuf::unlink()

[function] [call site] 00117


                 folly::IOBuf::getFreeFn() const

[function] [call site] 00118


                   folly::IOBuf::sharedInfo() const

[function] [call site] 00119


                 folly::IOBuf::getUserData() const

[function] [call site] 00120


                   folly::IOBuf::sharedInfo() const

[function] [call site] 00121


                 folly::IOBuf::writableTail()

[function] [call site] 00122


                 folly::IOBuf::tailroom() const

[function] [call site] 00123


                 folly::IOBuf::cloneOne() const

[function] [call site] 00124


                   folly::IOBuf::sharedInfo() const

[function] [call site] 00125


                   folly::IOBuf::operator new(unsigned long)

[function] [call site] 00126


                     void folly::detail::throw_exception_
                     
                      ()

[function] [call site] 00127


                     folly::checkedMalloc(unsigned long)

[function] [call site] 00128


                     folly::IOBuf::HeapPrefix::HeapPrefix(unsigned short, unsigned long)

[function] [call site] 00129


                     io_buf_alloc_cb(void*, unsigned long)

[call site] 00130


                 folly::IOBuf::takeOwnership(void*, unsigned long, unsigned long, void (*)(void*, void*), void*, bool)

[function] [call site] 00131


                   folly::IOBuf::takeOwnership(void*, unsigned long, unsigned long, unsigned long, void (*)(void*, void*), void*, bool, folly::IOBuf::TakeOwnershipOption)

[function] [call site] 00132


                 folly::IOBuf::tailroom() const

[function] [call site] 00133


                 folly::IOBuf::trimWritableTail(unsigned long)

[function] [call site] 00134


                 folly::IOBuf::prependChain(std::__1::unique_ptr
                 
                  >&&)

[function] [call site] 00135


                   folly::IOBuf::appendToChain(std::__1::unique_ptr
                   
                    >&&)

[function] [call site] 00136


             folly::IOBufQueue::front() const

[function] [call site] 00137


               folly::IOBufQueue::flushCache() const

[function] [call site] 00138


             folly::IOBuf::copyBuffer(void const*, unsigned long, unsigned long, unsigned long)

[function] [call site] 00139


             folly::IOBufQueue::append(std::__1::unique_ptr
             
              >&&, bool, bool)

[function] [call site] 00140


             folly::IOBufQueue::front() const

[function] [call site] 00141


             folly::IOBufQueue::split(unsigned long)

[function] [call site] 00142


               folly::IOBufQueue::split(unsigned long, bool)

[function] [call site] 00143


                 folly::IOBufQueue::updateGuard()

[function] [call site] 00144


                 __cxa_allocate_exception

[call site] 00145


                 std::underflow_error::underflow_error(char const*)

[function] [call site] 00146


                   std::runtime_error::runtime_error(char const*)

[call site] 00147


                 folly::IOBuf::length() const

[function] [call site] 00148


                 folly::IOBuf::length() const

[function] [call site] 00149


                 folly::IOBuf::length() const

[function] [call site] 00150


                 folly::IOBuf::pop()

[function] [call site] 00151


                 (anonymous namespace)::appendToChain(std::__1::unique_ptr
                 
                  >&, std::__1::unique_ptr
                  
                   >&&, bool)

[function] [call site] 00152


                 folly::IOBuf::cloneOne() const

[function] [call site] 00153


                 folly::IOBuf::length() const

[function] [call site] 00154


                 (anonymous namespace)::appendToChain(std::__1::unique_ptr
                 
                  >&, std::__1::unique_ptr
                  
                   >&&, bool)

[function] [call site] 00155


                 folly::IOBuf::trimStart(unsigned long)

[function] [call site] 00156


                 folly::IOBuf::create(unsigned long)

[function] [call site] 00157


                 folly::detail::ScopeGuardImpl
                 
                  ::~ScopeGuardImpl()

[function] [call site] 00158


                   folly::detail::ScopeGuardImpl
                   
                    ::execute()

[function] [call site] 00159


                     folly::IOBufQueue::updateGuard()::{lambda()#1}::operator()() const

[function] [call site] 00160


                       folly::IOBufQueue::updateWritableTailCache()

[function] [call site] 00161


                         folly::IOBuf::prev()

[function] [call site] 00162


                         folly::IOBuf::prev()

[function] [call site] 00163


                         folly::IOBuf::isSharedOne() const

[function] [call site] 00164


                         folly::IOBuf::writableTail()

[function] [call site] 00165


                         folly::IOBuf::tailroom() const

[function] [call site] 00166


                     __cxa_begin_catch

[call site] 00167


                     folly::detail::ScopeGuardImplBase::terminate()

[function] [call site] 00168


                       __clang_call_terminate

[call site] 00169


             folly::IOBufQueue::front() const

[function] [call site] 00170


             folly::IOBufQueue::chainLength() const

[function] [call site] 00171


               __cxa_allocate_exception

[call site] 00172


               std::invalid_argument::invalid_argument(char const*)

[function] [call site] 00173


                 std::logic_error::logic_error(char const*)

[call site] 00174


               folly::IOBufQueue::dcheckCacheIntegrity() const

[function] [call site] 00175


             folly::IOBufQueue::~IOBufQueue()

[function] [call site] 00176


               folly::IOBufQueue::clearWritableRangeCache()

[function] [call site] 00177


                 folly::IOBufQueue::flushCache() const

[function] [call site] 00178


                 folly::IOBufQueue::WritableRangeCacheData::operator=(folly::IOBufQueue::WritableRangeCacheData&&)

[function] [call site] 00179


               __clang_call_terminate

[call site] 00180


           proxygen::HTTP1xCodec::~HTTP1xCodec()

[function] [call site] 00181


             proxygen::HTTPCodec::~HTTPCodec()

[function] [call site] 00182


           proxygen::FakeHTTPCodecCallback::~FakeHTTPCodecCallback()

[function] [call site] 00183


             folly::IOBufQueue::~IOBufQueue()

[function] [call site] 00184


             proxygen::HTTPCodec::Callback::~Callback()

[function] [call site] 00185