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

Fuzzer calltree

0 ...lxml.fuzz_xmlschema.TestOneInput [function] [call site] 00000
1 io.BytesIO [function] [call site] 00001
1 io.BytesIO [function] [call site] 00002
1 schame.validate [function] [call site] 00003