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

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 rnp_input_from_memory [call site] 00001
1 rnp_ffi_create [call site] 00002
1 rnp_import_signatures [call site] 00003
1 rnp_buffer_destroy [call site] 00004
1 rnp_input_destroy [call site] 00005
1 rnp_ffi_destroy [call site] 00006