Fuzz introspector: character
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 memchr [call site] 00001
1 memchr [call site] 00002
1 fuzz_repeat_product_excessive [function] [call site] 00003
1 fuzz_set_string [function] [call site] 00004
2 R_ToplevelExec [call site] 00005
2 fuzz_do_set_string [function] [call site] 00006
3 Rf_mkChar [call site] 00007
3 SET_STRING_ELT [call site] 00008
1 fuzz_set_string_ce [function] [call site] 00009
2 R_ToplevelExec [call site] 00010
2 fuzz_do_set_string_ce [function] [call site] 00011
3 Rf_mkCharCE [call site] 00012
3 SET_STRING_ELT [call site] 00013
1 fuzz_set_string_ce [function] [call site] 00014
1 fuzz_set_string [function] [call site] 00015
1 fuzz_set_string_ce [function] [call site] 00016
1 fuzz_eval_silent [function] [call site] 00017
2 R_tryEvalSilent [call site] 00018