Fix issue ipfs/kubo#7190

io/dagreader.go

@@ -195,6 +195,17 @@ func (dr *dagReader) CtxReadFull(ctx context.Context, out []byte) (n int, err er
 			// Output buffer full, no need to keep traversing the DAG,
 			// signal the `Walker` to pause the iteration.
 			dr.dagWalker.Pause()
+
+		} else if len(node.Links()) > 0 {
+			if len(node.Links()[0].Name) != 0 {
+				// This indicates that the node contains only named links,
+				// because empty string links always come before named ones.
+				// Incidentally, this means that the node's data is contained within
+				// its data attribute, which has already been read at this point.
+				// Therefore, we return an EOF signal.
+
+				return ipld.EndOfDag
+			}
 		}
 
 		return nil