Heap-buffer-overflow in _Inner_InternalSpecialSymbol

Detailed report: https://clusterfuzz-external.appspot.com/testcase?key=6203601458298880 Fuzzer: libFuzzerchewingfuzzer Job Type: libfuzzerasanlibchewing Platform Id: linux Crash Type: Heap-buffer-overflow READ Crash Address: 0x7f1300d44fb0 Crash State: InnerInternalSpecialSymbol EasySymbolInput...