OSV-2022-600 Segv on unknown address in mrb_bint_to_s

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49269 Crash type: Segv on unknown address Crash state: mrbbinttos mrbintegertostr inttos...

OSV-2022-578 Heap-buffer-overflow in mrb_bint_to_s

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49045 Crash type: Heap-buffer-overflow WRITE 1 Crash state: mrbbinttos inttos mrbvmexec...