unrar/unrar_fuzzer: Negative-size-param in QuickOpen::ReadRaw

Detailed report: https://oss-fuzz.com/testcase?key=6239488958267392 Project: unrar Fuzzer: libFuzzerunrarfuzzer Fuzz target binary: unrarfuzzer Job Type: libfuzzerasanunrar Platform Id: linux Crash Type: Negative-size-param Crash Address: Crash State: QuickOpen::ReadRaw QuickOpen::ReadNext...