Fuzz introspector: future_lzw_fuzzer
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Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
8 19 unsigned int QIntC::to_uint (unsigned long const&) call site: 00019 __cxa_allocate_exception
5 7 Pl_LZWDecoder::Pl_LZWDecoder(char const*, Pipeline*, bool) call site: 00007 __cxa_allocate_exception
5 34 Pl_LZWDecoder::getFirstChar(unsigned int) call site: 00034 __cxa_allocate_exception
1 40 Pl_LZWDecoder::getFirstChar(unsigned int) call site: 00040
1 71 FuzzHelper::run() call site: 00071 __cxa_begin_catch

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 FuzzHelper::FuzzHelper(unsigned char const*, unsigned long) [function] [call site] 00001
1 FuzzHelper::run() [function] [call site] 00002
2 Pl_Discard::Pl_Discard() [function] [call site] 00003
3 Pipeline::Pipeline(char const*, Pipeline*) [function] [call site] 00004
2 Pl_LZWDecoder::Pl_LZWDecoder(char const*, Pipeline*, bool) [function] [call site] 00005
3 Pipeline::Pipeline(char const*, Pipeline*) [function] [call site] 00006
3 void qpdf::util::assertion<char const (&) [53]>(bool, char const (&) [53]) [function] [call site] 00007
4 __cxa_allocate_exception [call site] 00008
4 std::logic_error::logic_error(char const*) [call site] 00009
4 __cxa_throw [call site] 00010
4 std::logic_error::~logic_error() [call site] 00011
4 __cxa_free_exception [call site] 00012
3 Pipeline::~Pipeline() [function] [call site] 00013
2 Pl_LZWDecoder::write(unsigned char const*, unsigned long) [function] [call site] 00014
3 Pl_LZWDecoder::sendNextCode() [function] [call site] 00015
4 Pl_LZWDecoder::handleCode(unsigned int) [function] [call site] 00016
5 QTC::TC(char const*, char const*, int) [function] [call site] 00017
5 unsigned int QIntC::to_uint<unsigned long>(unsigned long const&) [function] [call site] 00018
6 QIntC::IntConverter<unsigned long, unsigned int, false, false>::convert(unsigned long const&) [function] [call site] 00019
7 QIntC::IntConverter<unsigned long, unsigned int, false, false>::error(unsigned long) [function] [call site] 00020
8 __cxa_allocate_exception [call site] 00021
8 std::__1::basic_ostringstream<char, std::__1::char_traits<char>, std::__1::allocator<char> >::str[abi:ne220000]() const & [function] [call site] 00022
9 std::__1::basic_stringbuf<char, std::__1::char_traits<char>, std::__1::allocator<char> >::str[abi:ne220000]() const & [function] [call site] 00023
8 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] 00024
9 std::runtime_error::runtime_error(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) [call site] 00025
8 __cxa_throw [call site] 00026
8 __cxa_free_exception [call site] 00027
5 __cxa_allocate_exception [call site] 00028
5 std::runtime_error::runtime_error(char const*) [call site] 00029
5 __cxa_throw [call site] 00030
5 std::runtime_error::~runtime_error() [call site] 00031
5 __cxa_free_exception [call site] 00032
5 Pl_LZWDecoder::getFirstChar(unsigned int) [function] [call site] 00033
6 void qpdf::util::no_ci_rt_error_if<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >(bool, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&&) [function] [call site] 00034
7 __cxa_allocate_exception [call site] 00035
7 std::runtime_error::runtime_error(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) [call site] 00036
7 __cxa_throw [call site] 00037
7 std::runtime_error::~runtime_error() [call site] 00038
7 __cxa_free_exception [call site] 00039
6 void qpdf::util::no_ci_rt_error_if<char const (&) [44]>(bool, char const (&) [44]) [function] [call site] 00040
7 std::runtime_error::runtime_error(char const*) [call site] 00041
6 Buffer::getBuffer() [function] [call site] 00042
5 Pl_LZWDecoder::getFirstChar(unsigned int) [function] [call site] 00043
5 void qpdf::util::no_ci_rt_error_if<char const (&) [23]>(bool, char const (&) [23]) [function] [call site] 00044
5 Pl_LZWDecoder::addToTable(unsigned char) [function] [call site] 00045
6 void qpdf::util::no_ci_rt_error_if<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >(bool, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&&) [function] [call site] 00046
6 void qpdf::util::no_ci_rt_error_if<char const (&) [42]>(bool, char const (&) [42]) [function] [call site] 00047
6 Buffer::getBuffer() [function] [call site] 00048
6 Buffer::getSize() const [function] [call site] 00049
6 unsigned int QIntC::to_uint<unsigned long>(unsigned long const&) [function] [call site] 00050
6 Buffer::Buffer(unsigned long) [function] [call site] 00051
6 Buffer::getBuffer() [function] [call site] 00052
6 Buffer::~Buffer() [function] [call site] 00053
5 Pipeline::next() const [function] [call site] 00054
5 __cxa_allocate_exception [call site] 00055
5 std::runtime_error::runtime_error(char const*) [call site] 00056
5 __cxa_throw [call site] 00057
5 std::runtime_error::~runtime_error() [call site] 00058
5 __cxa_free_exception [call site] 00059
5 Pipeline::next() const [function] [call site] 00060
5 Buffer::getBuffer() [function] [call site] 00061
5 Buffer::getSize() const [function] [call site] 00062
2 Pl_LZWDecoder::finish() [function] [call site] 00063
3 Pipeline::next() const [function] [call site] 00064
2 __cxa_begin_catch [call site] 00065
2 __cxa_end_catch [call site] 00066
2 Pl_LZWDecoder::~Pl_LZWDecoder() [function] [call site] 00067
3 Pipeline::~Pipeline() [function] [call site] 00068
2 Pl_Discard::~Pl_Discard() [function] [call site] 00069
3 Pipeline::~Pipeline() [function] [call site] 00070
2 __clang_call_terminate [call site] 00071
3 __cxa_begin_catch [call site] 00072