Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
13	35	unsigned int QIntC::to_uint (unsigned long const&)	call site: 00035	__cxa_allocate_exception
10	50	BitStream::getBitsSigned(unsigned long)	call site: 00050	__cxa_allocate_exception
5	7	Pl_TIFFPredictor::Pl_TIFFPredictor(char const, Pipeline, Pl_TIFFPredictor::action_e, unsigned int, unsigned int, unsigned int)	call site: 00007	__cxa_allocate_exception
5	13	Pl_TIFFPredictor::Pl_TIFFPredictor(char const, Pipeline, Pl_TIFFPredictor::action_e, unsigned int, unsigned int, unsigned int)	call site: 00013	__cxa_allocate_exception
5	63	BitWriter::writeBits(unsigned long long, unsigned long)	call site: 00063	__cxa_allocate_exception
2	82	Pl_Discard::~Pl_Discard()	call site: 00082	__clang_call_terminate
1	69	Pl_TIFFPredictor::processRow()	call site: 00069
1	77	FuzzHelper::run()	call site: 00077	__cxa_end_catch

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           FuzzHelper::FuzzHelper(unsigned char const*, unsigned long)

[function] [call site] 00001


           FuzzHelper::run()

[function] [call site] 00002


             Pl_Discard::Pl_Discard()

[function] [call site] 00003


               Pipeline::Pipeline(char const*, Pipeline*)

[function] [call site] 00004


             Pl_TIFFPredictor::Pl_TIFFPredictor(char const*, Pipeline*, Pl_TIFFPredictor::action_e, unsigned int, unsigned int, unsigned int)

[function] [call site] 00005


               Pipeline::Pipeline(char const*, Pipeline*)

[function] [call site] 00006


               void qpdf::util::assertion<char const (&) [56]>(bool, char const (&) [56])

[function] [call site] 00007


                 __cxa_allocate_exception

[call site] 00008


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

[call site] 00009


                 __cxa_throw

[call site] 00010


                 std::logic_error::~logic_error()

[call site] 00011


                 __cxa_free_exception

[call site] 00012


               void qpdf::util::no_ci_rt_error_if<char const (&) [53]>(bool, char const (&) [53])

[function] [call site] 00013


                 __cxa_allocate_exception

[call site] 00014


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

[call site] 00015


                 __cxa_throw

[call site] 00016


                 std::runtime_error::~runtime_error()

[call site] 00017


                 __cxa_free_exception

[call site] 00018


               void qpdf::util::no_ci_rt_error_if<char const (&) [51]>(bool, char const (&) [51])

[function] [call site] 00019


               _ZN4qpdf4util4fitsIjTkNSt3__18integralEyQsr3stdE8integralIT_EEEbT0_

[function] [call site] 00020


               void qpdf::util::no_ci_rt_error_if<char const (&) [92]>(bool, char const (&) [92])

[function] [call site] 00021


               _ZN4qpdf4util4fitsIjTkNSt3__18integralEyQsr3stdE8integralIT_EEEbT0_

[function] [call site] 00022


               void qpdf::util::no_ci_rt_error_if<char const (&) [49]>(bool, char const (&) [49])

[function] [call site] 00023


               void qpdf::util::no_ci_rt_error_if<char const (&) [36]>(bool, char const (&) [36])

[function] [call site] 00024


               Pipeline::~Pipeline()

[function] [call site] 00025


             Pl_TIFFPredictor::Pl_TIFFPredictor(char const*, Pipeline*, Pl_TIFFPredictor::action_e, unsigned int, unsigned int, unsigned int)

[function] [call site] 00026


             Pl_TIFFPredictor::write(unsigned char const*, unsigned long)

[function] [call site] 00027


               Pl_TIFFPredictor::processRow()

[function] [call site] 00028


                 QTC::TC(char const*, char const*, int)

[function] [call site] 00029


                 Pipeline::next() const

[function] [call site] 00030


                 BitWriter::BitWriter(Pipeline*)

[function] [call site] 00031


                 BitStream::BitStream(unsigned char const*, unsigned long)

[function] [call site] 00032


                   BitStream::reset()

[function] [call site] 00033


                     unsigned int QIntC::to_uint<unsigned long>(unsigned long const&)

[function] [call site] 00034


                       QIntC::IntConverter<unsigned long, unsigned int, false, false>::convert(unsigned long const&)

[function] [call site] 00035


                         QIntC::IntConverter<unsigned long, unsigned int, false, false>::error(unsigned long)

[function] [call site] 00036


                           __cxa_allocate_exception

[call site] 00037


                           std::__1::basic_ostringstream<char, std::__1::char_traits<char>, std::__1::allocator<char> >::str[abi:ne220000]() const &

[function] [call site] 00038


                             std::__1::basic_stringbuf<char, std::__1::char_traits<char>, std::__1::allocator<char> >::str[abi:ne220000]() const &

[function] [call site] 00039


                           std::range_error::range_error[abi:ne220000](std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)

[function] [call site] 00040


                             std::runtime_error::runtime_error(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)

[call site] 00041


                           __cxa_throw

[call site] 00042


                           __cxa_free_exception

[call site] 00043


                     __cxa_allocate_exception

[call site] 00044


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

[call site] 00045


                     __cxa_throw

[call site] 00046


                     std::runtime_error::~runtime_error()

[call site] 00047


                     __cxa_free_exception

[call site] 00048


                 BitStream::getBitsSigned(unsigned long)

[function] [call site] 00049


                   read_bits(unsigned char const*&, unsigned long&, unsigned long&, unsigned long)

[function] [call site] 00050


                     __cxa_allocate_exception

[call site] 00051


                     std::runtime_error::runtime_error(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)

[call site] 00052


                     __cxa_throw

[call site] 00053


                     __cxa_free_exception

[call site] 00054


                     __cxa_allocate_exception

[call site] 00055


                     std::out_of_range::out_of_range[abi:ne220000](char const*)

[function] [call site] 00056


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

[call site] 00057


                     __cxa_throw

[call site] 00058


                     std::out_of_range::~out_of_range()

[call site] 00059


                     __cxa_free_exception

[call site] 00060


                 BitWriter::writeBitsSigned(long long, unsigned long)

[function] [call site] 00061


                   BitWriter::writeBits(unsigned long long, unsigned long)

[function] [call site] 00062


                     write_bits(unsigned char&, unsigned long&, unsigned long long, unsigned long, Pipeline*)

[function] [call site] 00063


                       __cxa_allocate_exception

[call site] 00064


                       std::out_of_range::out_of_range[abi:ne220000](char const*)

[function] [call site] 00065


                       __cxa_throw

[call site] 00066


                       std::out_of_range::~out_of_range()

[call site] 00067


                       __cxa_free_exception

[call site] 00068


                 BitWriter::flush()

[function] [call site] 00069


                   write_bits(unsigned char&, unsigned long&, unsigned long long, unsigned long, Pipeline*)

[function] [call site] 00070


                 Pipeline::next() const

[function] [call site] 00071


             Pl_TIFFPredictor::finish()

[function] [call site] 00072


               Pl_TIFFPredictor::processRow()

[function] [call site] 00073


               Pipeline::next() const

[function] [call site] 00074


             Pl_TIFFPredictor::write(unsigned char const*, unsigned long)

[function] [call site] 00075


             Pl_TIFFPredictor::finish()

[function] [call site] 00076


             __cxa_begin_catch

[call site] 00077


             __cxa_end_catch

[call site] 00078


             Pl_TIFFPredictor::~Pl_TIFFPredictor()

[function] [call site] 00079


               Pipeline::~Pipeline()

[function] [call site] 00080


             Pl_Discard::~Pl_Discard()

[function] [call site] 00081


               Pipeline::~Pipeline()

[function] [call site] 00082


             __clang_call_terminate

[call site] 00083


               __cxa_begin_catch

[call site] 00084