1 files changed, 55 insertions, 0 deletions
diff --git a/tests/fuzz/corpus/lys_parse_mem/issue774.yang b/tests/fuzz/corpus/lys_parse_mem/issue774.yang
new file mode 100644
index 0000000..086d018
--- /dev/null
+++ b/tests/fuzz/corpus/lys_parse_mem/issue774.yang
@@ -0,0 +1,55 @@
+module state-lists {
+    yang-version 1.1;
+    namespace "urn:state-lists";
+    prefix sl;
+
+    container cont {
+		config false;
+		grouping group1 {
+            leaf leaf3 {
+     			type tdef2 {
+      				length "3..9 | 30..40";
+      				pattern "[ac
+				}*";
+    		}
+
+    		units "none";
+    		default "aaa";
+  		}
+
+		typedef tdef2 {
+			type string {
+				length "2..17 | 20..50";
+				pattern "[ab]*";
+			}
+		}
+
+  		container cont1 {
+    		uses group1 {
+      			if-feature "feat2";
+      			refine "leaf1" {
+        			if-feature "feat3";
+				    must "24 - 4 = number('20')";
+        			default "25";
+        			config true;
+        			mandatory false;
+        			description "dsc";
+        			reference "none";
+      			}
+    		}
+
+			leaf leaf4 {
+				type int64 {
+					range "1000 .. 50000" {
+						error-message
+						"Special e        
+					}
+					.";
+				}
+			}
+    	}
+
+      }
+    }
+  }
+}