Index: cam/cam_gui.c
===================================================================
--- cam/cam_gui.c	(revision 37111)
+++ cam/cam_gui.c	(revision 37112)
@@ -105,7 +105,7 @@
 			case PCB_CAM_WRITE:
 				strncpy(tmp, c->op.write.arg, sizeof(tmp));
 
-				cell[0] = tmp;
+				cell[0] = rnd_strdup(tmp);
 				cell[2] = strchr(tmp, '=');
 				if (cell[2] != NULL) {
 					*cell[2] = '\0';
@@ -113,13 +113,15 @@
 				}
 				else
 					cell[2] = "<none>";
+				cell[2] = rnd_strdup(cell[2]);
 
 				if (plugin != NULL)
 					cell[1] = rnd_strdup(plugin->op.plugin.exporter->name);
 				else
-					cell[1] = "<NO PLUGIN>";
+					cell[1] = rnd_strdup("<NO PLUGIN>");
 
 				cell[3] = NULL;
+
 				rnd_dad_tree_append(attr, NULL, cell);
 				break;
 		}
Index: drc_query/dlg.c
===================================================================
--- drc_query/dlg.c	(revision 37111)
+++ drc_query/dlg.c	(revision 37112)
@@ -477,9 +477,9 @@
 
 		role = rnd_conf_lookup_role(rule);
 		src = textval_empty(rule, "source");
-		cell[0] = rule->name;
+		cell[0] = rnd_strdup(rule->name);
 		cell[1] = rnd_strdup(rnd_conf_role_name(role));
-		cell[2] = *dis ? "YES" : "no";
+		cell[2] = rnd_strdup(*dis ? "YES" : "no");
 		if (st->run_cnt > 0)
 			cell[3] = rnd_strdup_printf("%.3fs", st->last_run_time);
 		else
@@ -491,10 +491,10 @@
 			char *pcell[5];
 
 			if (parent == NULL) {
-				pcell[0] = (char *)src;
-				pcell[1] = "";
-				pcell[2] = "";
-				pcell[3] = "";
+				pcell[0] = rnd_strdup(src);
+				pcell[1] = rnd_strdup("");
+				pcell[2] = rnd_strdup("");
+				pcell[3] = rnd_strdup("");
 				pcell[4] = NULL;
 				parent = rnd_dad_tree_append(tree->attrib, NULL, pcell);
 			}
@@ -775,7 +775,7 @@
 
 		role = rnd_conf_lookup_role(rule);
 		src = textval_empty(rule, "source");
-		cell[0] = rule->name;
+		cell[0] = rnd_strdup(rule->name);
 		cell[1] = rnd_strdup(rnd_conf_role_name(role));
 
 		if (*src != '\0') {
@@ -784,8 +784,8 @@
 			char *pcell[3];
 
 			if (parent == NULL) {
-				pcell[0] = (char *)src;
-				pcell[1] = "";
+				pcell[0] = rnd_strdup(src);
+				pcell[1] = rnd_strdup("");
 				pcell[2] = NULL;
 				parent = rnd_dad_tree_append(tree->attrib, NULL, pcell);
 			}