OSV-2020-240 UNKNOWN READ in perfetto::trace_processor::TraceStorage::GetIdForVariadicType

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19999 Crash type: UNKNOWN READ Crash state: perfetto::traceprocessor::TraceStorage::GetIdForVariadicType perfetto::traceprocessor::GlobalArgsTracker::AddArgSet perfetto::traceprocessor::ArgsTracker::Flush...