hostap/ap-mgmt-fuzzer: Crash in handle_auth

Detailed report: https://oss-fuzz.com/testcase?key=5686935802085376 Project: hostap Fuzzer: libFuzzerhostapap-mgmt-fuzzer Fuzz target binary: ap-mgmt-fuzzer Job Type: libfuzzermsanhostap Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x7fff00000858 Crash State: handleauth ieee80211mgm...