grpc/api_fuzzer: Heap-use-after-free in grpc_core::channelz::CallCountingHelper::RecordCallFailed

Project: https://github.com/grpc/grpc.git Detailed report: https://oss-fuzz.com/testcase?key=5717773926268928 Project: grpc Fuzzer: libFuzzerapifuzzer Fuzz target binary: apifuzzer Job Type: libfuzzerasangrpc Platform Id: linux Crash Type: Heap-use-after-free READ 8 Crash Address: 0x60e0000012d0...