Fuzz introspector: TranscoderFuzzer-utf-8
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
94 0 EP call site: 00000 fprintf

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> >&) [function] [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> >&) [function] [call site] 00002
2 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*>&) [function] [call site] 00003
3 log4cxx::helpers::ByteBuffer::ByteBuffer(char*, unsigned long) [function] [call site] 00004
3 log4cxx::helpers::CharsetDecoder::getUTF8CodePoint(log4cxx::helpers::ByteBuffer&) [function] [call site] 00005
4 log4cxx::helpers::ByteBuffer::remaining() const [function] [call site] 00006
4 log4cxx::helpers::ByteBuffer::current() [function] [call site] 00007
4 log4cxx::helpers::ByteBuffer::increment_position(unsigned long) [function] [call site] 00008
5 log4cxx::helpers::ByteBuffer::remaining() const [function] [call site] 00009
5 log4cxx::helpers::ByteBuffer::remaining() const [function] [call site] 00010
4 log4cxx::helpers::ByteBuffer::increment_position(unsigned long) [function] [call site] 00011
4 log4cxx::helpers::ByteBuffer::increment_position(unsigned long) [function] [call site] 00012
4 log4cxx::helpers::ByteBuffer::increment_position(unsigned long) [function] [call site] 00013
3 log4cxx::helpers::ByteBuffer::remaining() const [function] [call site] 00014
3 log4cxx::helpers::ByteBuffer::~ByteBuffer() [function] [call site] 00015
2 log4cxx::helpers::Transcoder::encode(unsigned int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) [function] [call site] 00016
3 log4cxx::helpers::Transcoder::encodeUTF8(unsigned int, char*) [function] [call site] 00017
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> >&) [function] [call site] 00018
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> >&) [function] [call site] 00019
1 (anonymous namespace)::requireInvariant(bool, char const*) [function] [call site] 00020
2 fprintf [call site] 00021
2 abort [call site] 00022
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> >&) [function] [call site] 00023
1 log4cxx::helpers::CharsetDecoder::getDecoder(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) [function] [call site] 00024
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00025
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00026
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00027
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00028
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00029
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00030
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00031
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00032
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00033
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00034
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00035
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00036
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] 00037
2 log4cxx::helpers::ByteBuffer::ByteBuffer(char*, unsigned long) [function] [call site] 00038
2 log4cxx::helpers::ByteBuffer::remaining() const [function] [call site] 00039
2 log4cxx::helpers::ByteBuffer::position() const [function] [call site] 00040
2 log4cxx::helpers::CharsetDecoder::isError(int) [function] [call site] 00041
2 log4cxx::helpers::ByteBuffer::increment_position(unsigned long) [function] [call site] 00042
2 log4cxx::helpers::ByteBuffer::~ByteBuffer() [function] [call site] 00043
2 log4cxx::helpers::ByteBuffer::position() const [function] [call site] 00044
1 log4cxx::helpers::CharsetEncoder::getEncoder(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) [function] [call site] 00045
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00046
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00047
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00048
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00049
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00050
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00051
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00052
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00053
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00054
2 log4cxx::helpers::StringHelper::equalsIgnoreCase(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char const*, char const*) [function] [call site] 00055
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] 00056
2 log4cxx::helpers::ByteBuffer::ByteBuffer(char*, unsigned long) [function] [call site] 00057
2 log4cxx::helpers::ByteBuffer::flip() [function] [call site] 00058
2 log4cxx::helpers::ByteBuffer::data() [function] [call site] 00059
2 log4cxx::helpers::ByteBuffer::limit() const [function] [call site] 00060
2 log4cxx::helpers::ByteBuffer::clear() [function] [call site] 00061
2 log4cxx::helpers::CharsetEncoder::isError(int) [function] [call site] 00062
2 log4cxx::helpers::ByteBuffer::~ByteBuffer() [function] [call site] 00063
1 __cxa_begin_catch [call site] 00064
1 __cxa_end_catch [call site] 00065
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*>&) [function] [call site] 00066
1 (anonymous namespace)::checkUTF16RoundTrip(unsigned int) [function] [call site] 00067
2 log4cxx::helpers::ByteBuffer::ByteBuffer(char*, unsigned long) [function] [call site] 00068
2 log4cxx::helpers::Transcoder::encodeUTF16BE(unsigned int, log4cxx::helpers::ByteBuffer&) [function] [call site] 00069
3 log4cxx::helpers::ByteBuffer::current() [function] [call site] 00070
3 log4cxx::helpers::Transcoder::encodeUTF16BE(unsigned int, char*) [function] [call site] 00071
3 log4cxx::helpers::ByteBuffer::increment_position(unsigned long) [function] [call site] 00072
2 log4cxx::helpers::ByteBuffer::position() const [function] [call site] 00073
2 (anonymous namespace)::referenceDecodeUTF16(char const*, unsigned long, bool) [function] [call site] 00074
3 (anonymous namespace)::referenceDecodeUTF16(char const*, unsigned long, bool)::$_0::operator()(unsigned long) const [function] [call site] 00075
3 (anonymous namespace)::referenceDecodeUTF16(char const*, unsigned long, bool)::$_0::operator()(unsigned long) const [function] [call site] 00076
3 (anonymous namespace)::referenceDecodeUTF16(char const*, unsigned long, bool)::$_0::operator()(unsigned long) const [function] [call site] 00077
2 (anonymous namespace)::requireInvariant(bool, char const*) [function] [call site] 00078
2 log4cxx::helpers::ByteBuffer::ByteBuffer(char*, unsigned long) [function] [call site] 00079
2 log4cxx::helpers::Transcoder::encodeUTF16LE(unsigned int, log4cxx::helpers::ByteBuffer&) [function] [call site] 00080
3 log4cxx::helpers::ByteBuffer::current() [function] [call site] 00081
3 log4cxx::helpers::Transcoder::encodeUTF16LE(unsigned int, char*) [function] [call site] 00082
3 log4cxx::helpers::ByteBuffer::increment_position(unsigned long) [function] [call site] 00083
2 log4cxx::helpers::ByteBuffer::position() const [function] [call site] 00084
2 (anonymous namespace)::referenceDecodeUTF16(char const*, unsigned long, bool) [function] [call site] 00085
2 (anonymous namespace)::requireInvariant(bool, char const*) [function] [call site] 00086
2 log4cxx::helpers::ByteBuffer::~ByteBuffer() [function] [call site] 00087
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> >&) [function] [call site] 00088
2 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*>&) [function] [call site] 00089
2 log4cxx::helpers::Transcoder::encode(unsigned int, std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> >&) [function] [call site] 00090
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> >&) [function] [call site] 00091
2 log4cxx::helpers::Transcoder::decode(std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> > const&, std::__1::__wrap_iter<wchar_t const*>&) [function] [call site] 00092
2 log4cxx::helpers::Transcoder::encode(unsigned int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) [function] [call site] 00093
1 (anonymous namespace)::requireInvariant(bool, char const*) [function] [call site] 00094