Refs #21355. Protect InnerDataWriterListener::on_writer_matched.

Signed-off-by: Miguel Company <miguelcompany@eprosima.com>

Author: MiguelCompany

src/cpp/fastdds/publisher/DataWriterImpl.cpp

@@ -1348,6 +1348,8 @@ void DataWriterImpl::InnerDataWriterListener::on_writer_matched(
         RTPSWriter* /*writer*/,
         const MatchingInfo& info)
 {
+    std::lock_guard<std::mutex> scoped_lock(matching_info_mutex_);
+
     data_writer_->update_publication_matched_status(info);
 
     StatusMask notify_status = StatusMask::publication_matched();

src/cpp/fastdds/publisher/DataWriterImpl.hpp

@@ -531,7 +531,10 @@ class DataWriterImpl : protected rtps::IReaderDataFilter
                 const uint32_t& status_id);
 #endif //FASTDDS_STATISTICS
 
+    private:
+
         DataWriterImpl* data_writer_;
+        std::mutex matching_info_mutex_;
     }
     writer_listener_;