Fuzz introspector: fuzz_base64_decode
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 UA_unbase64 [function] [call site] 00001
2 UA_malloc [function] [call site] 00002
2 UA_free [function] [call site] 00003
2 UA_free [function] [call site] 00004
1 free [function] [call site] 00005