Refs #21121: Fix Loan ser_payload destruction

Signed-off-by: cferreiragonz <[email protected]>

include/fastdds/rtps/common/SerializedPayload.h

@@ -83,6 +83,13 @@ struct FASTDDS_EXPORTED_API SerializedPayload_t
     {
     }
 
+    //!Copy constructor
+    SerializedPayload_t(
+            const SerializedPayload_t& other) = default;
+    //!Copy operator
+    SerializedPayload_t& operator = (
+            const SerializedPayload_t& other) = default;
+
     /**
      * @param len Maximum size of the payload
      */
@@ -114,6 +121,39 @@ struct FASTDDS_EXPORTED_API SerializedPayload_t
                (0 == memcmp(data, other.data, length)));
     }
 
+    //!Move operator
+    SerializedPayload_t& operator = (
+            SerializedPayload_t&& other) noexcept
+    {
+        if (this == &other)
+        {
+            return *this;
+        }
+
+        encapsulation = other.encapsulation;
+        length = other.length;
+        data = other.data;
+        max_size = other.max_size;
+        pos = other.pos;
+        payload_owner = other.payload_owner;
+
+        other.encapsulation = CDR_BE;
+        other.length = 0;
+        other.data = nullptr;
+        other.max_size = 0;
+        other.pos = 0;
+        other.payload_owner = nullptr;
+
+        return *this;
+    }
+
+    //!Move constructor
+    SerializedPayload_t(
+            SerializedPayload_t&& other) noexcept
+    {
+        *this = std::move(other);
+    }
+
     /*!
      * Copy another structure (including allocating new space for the data).
      * @param[in] serData Pointer to the structure to copy

src/cpp/fastdds/publisher/DataWriterImpl.cpp

@@ -112,6 +112,9 @@ class DataWriterImpl::LoanCollection
             if (it->data == payload_data)
             {
                 payload = *it;
+                // Avoid releasing the payload in destructor
+                it->payload_owner = nullptr;
+                it->data = nullptr;
                 loans_.erase(it);
                 return true;
             }
@@ -564,6 +567,10 @@ ReturnCode_t DataWriterImpl::loan_sample(
             break;
     }
 
+    // Avoid releasing the payload in destructor
+    payload.payload_owner = nullptr;
+    payload.data = nullptr;
+
     return RETCODE_OK;
 }