--- zzzz-none-000/linux-4.4.60/scripts/dtc/libfdt/fdt.c	2017-04-08 07:53:53.000000000 +0000
+++ dragonfly-4020-701/linux-4.4.60/scripts/dtc/libfdt/fdt.c	2018-11-08 13:36:17.000000000 +0000
@@ -78,7 +78,15 @@
 {
 	const char *p;
 
-	if (fdt_version(fdt) >= 0x11)
+	if (fdt_version(fdt) >= 0x11
+#ifdef CONFIG_OF_AVM_DT
+	/* In case the dt was build in v17 but without offset
+	 * information, we verify that the offset contains a non
+	 * zero value.
+	 */
+					&& fdt_size_dt_struct(fdt)
+#endif
+					)
 		if (((offset + len) < offset)
 		    || ((offset + len) > fdt_size_dt_struct(fdt)))
 			return NULL;