ugh, still failing

contracts/lib/Lib_MerkleTrie.sol

@@ -659,6 +659,7 @@ library Lib_MerkleTrie {
         if (itemType == Lib_RLPReader.RLPItemType.DATA_ITEM) {
             return Lib_RLPReader._copy(_in.ptr, itemOffset, itemLength);
         } else {
+            require(_in.length < 32, "bad _getNodeValue other");
             return Lib_RLPReader._copy(_in.ptr, 0, _in.length);
         }
     }

mipsevm/trie_test.go

@@ -22,23 +22,33 @@ func TestTrie(t *testing.T) {
 	ioutil.WriteFile("/tmp/eth/ramtrie", dat, 0644)
 }
 
-func TestBuggedTrie(t *testing.T) {
-	ram := make(map[uint32](uint32))
-
-	ram[0] = 1
-	ram[4] = 2
+func printRoot(ram map[uint32](uint32)) {
+	root := RamToTrie(ram)
+	fmt.Println("root =", root)
+}
 
+func printTrie(ram map[uint32](uint32)) {
 	root := RamToTrie(ram)
-	fmt.Println("root(0,4) =", root)
+	fmt.Println("root =", root)
 	ParseNode(root, 0, func(t common.Hash) []byte {
 		return Preimages[t]
 	})
+}
 
-	ram[0x40] = 3
+func TestBuggedTrie(t *testing.T) {
+	ram := make(map[uint32](uint32))
 
-	root = RamToTrie(ram)
-	fmt.Println("root(0,4,0x40) =", root)
-	ParseNode(root, 0, func(t common.Hash) []byte {
-		return Preimages[t]
-	})
+	ram[0] = 1
+	ram[4] = 2
+	printTrie(ram)
+
+	ram[0x40] = 3
+	printTrie(ram)
+
+	ram = make(map[uint32](uint32))
+	ram[0x7fffd00c] = 1
+	ram[0x7fffd010] = 2
+	printTrie(ram)
+	ram[0x7fffcffc] = 3
+	printTrie(ram)
 }

test/mips_test_memory.js

@@ -39,11 +39,10 @@ describe("MIPSMemory contract", function () {
     expect(await mm.ReadMemory(root, 4)).to.equal(2)
     expect(await mm.ReadMemory(root, 0x40)).to.equal(3)
   })
-  it("write four should work", async function() {
+  it("write other three should work", async function() {
     await mm.AddTrieNode(new Uint8Array([0x80]))
     let root = "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"
 
-    root = await write(mm, root, 0xc0000080, 0xaa)
     root = await write(mm, root, 0x7fffd00c, 1)
     root = await write(mm, root, 0x7fffd010, 2)
     root = await write(mm, root, 0x7fffcffc, 3)