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

Fuzzer calltree

0 ...fuzz_json_serialization.TestOneInput [function] [call site] 00000
1 atheris.FuzzedDataProvider [function] [call site] 00001
1 fdp.ConsumeUnicodeNoSurrogates [function] [call site] 00002
1 FuzzMsg.from_json [function] [call site] 00003
1 FuzzMsg.to_json [function] [call site] 00004