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

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fuzz_set_raw_arg [function] [call site] 00001
2 R_ToplevelExec [call site] 00002
2 fuzz_do_set_raw [function] [call site] 00003
3 Rf_allocVector [call site] 00004
3 SETCADR [call site] 00005
3 RAW [call site] 00006
1 R_ToplevelExec [call site] 00007
1 fuzz_do_eval [function] [call site] 00008
2 Rf_eval [call site] 00009