better bounds check for table.get and table.set

src/Language/Wasm/Interpreter.hs

@@ -986,7 +986,7 @@ eval budget store FunctionInstance { funcType, moduleInstance, code = Function {
                     RF fnRef -> fnRef
                     v -> error "Impossible due to validation"
             els <- readIORef items
-            if dst > MVector.length els
+            if dst >= MVector.length els
             then return Trap
             else do
                 MVector.unsafeWrite els dst (fromIntegral <$> val)
@@ -996,7 +996,7 @@ eval budget store FunctionInstance { funcType, moduleInstance, code = Function {
             let TableInstance { t = TableType _ et, items } = tableInstances store ! tableAddr
             let dst = fromIntegral offset
             els <- readIORef items
-            if dst > MVector.length els
+            if dst >= MVector.length els
             then return Trap
             else do
                 v <- MVector.unsafeRead els dst

tests/Test.hs

@@ -19,7 +19,7 @@ main = do
   files <-
     filter (not . List.isPrefixOf "simd") . filter (List.isSuffixOf ".wast")
       <$> Directory.listDirectory "tests/spec"
-  let files = ["table_get.wast"]
+  -- let files = ["table_get.wast"]
   scriptTestCases <- (`mapM` files) $ \file -> do
     test <- LBS.readFile ("tests/spec/" ++ file)
     return $ testCase file $ do