ruby:fuzz_ruby_gems: Stack-buffer-overflow in gc_mark_ptr

Detailed Report: https://oss-fuzz.com/testcase?key=5713378932555776 Project: ruby Fuzzing Engine: libFuzzer Fuzz Target: fuzzrubygems Job Type: libfuzzerasanruby Platform Id: linux Crash Type: Stack-buffer-overflow READ 8 Crash Address: 0x7fff85409760 Crash State: gcmarkptr markkeyvalue...