capstone/fuzz_disasmmaster: Use-of-uninitialized-value in isPrefixAtLocation

Detailed report: https://oss-fuzz.com/testcase?key=5120790969188352 Project: capstone Fuzzer: libFuzzercapstonefuzzdisasmmaster Fuzz target binary: fuzzdisasmmaster Job Type: libfuzzermsancapstone Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State:...