Fix #124702: crash when pasting material

source/blender/editors/render/render_shading.cc

@@ -52,6 +52,7 @@
 #include "BKE_main.hh"
 #include "BKE_material.h"
 #include "BKE_node.hh"
+#include "BKE_node_runtime.hh"
 #include "BKE_node_tree_update.hh"
 #include "BKE_object.hh"
 #include "BKE_report.hh"
@@ -2833,6 +2834,10 @@ static int paste_material_exec(bContext *C, wmOperator *op)
    * Always call instead of checking when it *might* be needed. */
   DEG_relations_tag_update(bmain);
 
+  /* There are some custom updates to the node tree above, better do a full update pass. */
+  BKE_ntree_update_tag_all(ma->nodetree);
+  ED_node_tree_propagate_change(C, bmain, nullptr);
+
   DEG_id_tag_update(&ma->id, ID_RECALC_SYNC_TO_EVAL);
   WM_event_add_notifier(C, NC_MATERIAL | ND_SHADING_LINKS, ma);