OSV-2021-1301 Use-of-uninitialized-value in std::__1::__hash_iterator<std::__1::__hash_node<std::__1::__hash_value_type<std:

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38823 Crash type: Use-of-uninitialized-value Crash state: std::1::hashiteratorstd::1::hashnodestd::1::hashvaluetypestd: opencensus::tags::TagKeyRegistry::Register opencensus::tags::TagKey::Register...