Fuzz introspector: /src/logging-log4cxx/src/fuzzers/cpp/TranscoderFuzzer.cpp
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
10 0 EP call site: 00000 fprintf
4 26 (anonymous namespace)::exerciseEncoder(std::__1::shared_ptr const&, std::__1::basic_string , std::__1::allocator > const&) call site: 00026 __cxa_begin_catch
3 44 (anonymous namespace)::checkUTF16RoundTrip(unsigned int) call site: 00044
2 17 (anonymous namespace)::exerciseDecoder(std::__1::shared_ptr const&, std::__1::basic_string , std::__1::allocator > const&) call site: 00017

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 log4cxx::helpers::Transcoder::decode(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) [call site] 00001
1 log4cxx::helpers::Transcoder::decodeUTF8(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) [call site] 00002
1 log4cxx::helpers::Transcoder::encodeUTF8(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) [call site] 00003
1 log4cxx::helpers::Transcoder::decodeUTF8(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) [call site] 00004
1 (anonymous namespace)::requireInvariant(bool, char const*) [function] [call site] 00005
2 fprintf [call site] 00006
2 abort [call site] 00007
1 log4cxx::helpers::Transcoder::encode(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) [call site] 00008
1 log4cxx::helpers::CharsetDecoder::getDecoder(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) [call site] 00009
1 (anonymous namespace)::exerciseDecoder(std::__1::shared_ptr<log4cxx::helpers::CharsetDecoder> const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) [function] [call site] 00010
2 log4cxx::helpers::ByteBuffer::ByteBuffer(char*, unsigned long) [call site] 00011
2 log4cxx::helpers::ByteBuffer::remaining() const [call site] 00012
2 log4cxx::helpers::ByteBuffer::position() const [call site] 00013
2 log4cxx::helpers::CharsetDecoder::isError(int) [function] [call site] 00014
2 log4cxx::helpers::ByteBuffer::increment_position(unsigned long) [call site] 00015
2 log4cxx::helpers::ByteBuffer::~ByteBuffer() [call site] 00016
2 log4cxx::helpers::ByteBuffer::position() const [call site] 00017
1 log4cxx::helpers::CharsetEncoder::getEncoder(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) [call site] 00018
1 (anonymous namespace)::exerciseEncoder(std::__1::shared_ptr<log4cxx::helpers::CharsetEncoder> const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) [function] [call site] 00019
2 log4cxx::helpers::ByteBuffer::ByteBuffer(char*, unsigned long) [call site] 00020
2 log4cxx::helpers::ByteBuffer::flip() [call site] 00021
2 log4cxx::helpers::ByteBuffer::data() [call site] 00022
2 log4cxx::helpers::ByteBuffer::limit() const [call site] 00023
2 log4cxx::helpers::ByteBuffer::clear() [call site] 00024
2 log4cxx::helpers::CharsetEncoder::isError(int) [function] [call site] 00025
2 log4cxx::helpers::ByteBuffer::~ByteBuffer() [call site] 00026
1 __cxa_begin_catch [call site] 00027
1 __cxa_end_catch [call site] 00028
1 log4cxx::helpers::Transcoder::decode(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::__wrap_iter<char const*>&) [call site] 00029
1 (anonymous namespace)::checkUTF16RoundTrip(unsigned int) [function] [call site] 00030
2 log4cxx::helpers::ByteBuffer::ByteBuffer(char*, unsigned long) [call site] 00031
2 log4cxx::helpers::Transcoder::encodeUTF16BE(unsigned int, log4cxx::helpers::ByteBuffer&) [call site] 00032
2 log4cxx::helpers::ByteBuffer::position() const [call site] 00033
2 (anonymous namespace)::referenceDecodeUTF16(char const*, unsigned long, bool) [function] [call site] 00034
3 (anonymous namespace)::referenceDecodeUTF16(char const*, unsigned long, bool)::$_0::operator()(unsigned long) const [function] [call site] 00035
3 (anonymous namespace)::referenceDecodeUTF16(char const*, unsigned long, bool)::$_0::operator()(unsigned long) const [function] [call site] 00036
3 (anonymous namespace)::referenceDecodeUTF16(char const*, unsigned long, bool)::$_0::operator()(unsigned long) const [function] [call site] 00037
2 (anonymous namespace)::requireInvariant(bool, char const*) [function] [call site] 00038
2 log4cxx::helpers::ByteBuffer::ByteBuffer(char*, unsigned long) [call site] 00039
2 log4cxx::helpers::Transcoder::encodeUTF16LE(unsigned int, log4cxx::helpers::ByteBuffer&) [call site] 00040
2 log4cxx::helpers::ByteBuffer::position() const [call site] 00041
2 (anonymous namespace)::referenceDecodeUTF16(char const*, unsigned long, bool) [function] [call site] 00042
2 (anonymous namespace)::requireInvariant(bool, char const*) [function] [call site] 00043
2 log4cxx::helpers::ByteBuffer::~ByteBuffer() [call site] 00044
1 log4cxx::helpers::Transcoder::encode(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> >&) [call site] 00045
1 log4cxx::helpers::Transcoder::decode(std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) [call site] 00046
1 (anonymous namespace)::requireInvariant(bool, char const*) [function] [call site] 00047