OSV-2026-1052 UNKNOWN READ in eprosima::fastdds::dds::QosPoliciesSerializer<eprosima::fastdds::dds::PartitionQ

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=532839120 Crash type: UNKNOWN READ Crash state: eprosima::fastdds::dds::QosPoliciesSerializereprosima::fastdds::dds::PartitionQ eprosima::fastdds::rtps::ReaderProxyData::readfromcdrmessage fuzzproxycdr.cxx...