Fuzz introspector: pdns/fuzz_dnslabeltext_parseRFC1035CharString.cc
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 parseRFC1035CharString [function] [call site] 00001