fix: validate ReadableStream.from iterator objects

Signed-off-by: Daeyeon Jeong <daeyeon.dev@gmail.com>

Author: daeyeon

lib/internal/webstreams/readablestream.js

@@ -1365,6 +1365,9 @@ function readableStreamFromIterable(iterable) {
     throw new ERR_ARG_NOT_ITERABLE(iterable);
   }
   const iterator = FunctionPrototypeCall(iteratorGetter, iterable);
+  if (typeof iterator !== 'object' || iterator === null) {
+    throw new ERR_INVALID_STATE.TypeError('The iterator method must return an object');
+  }
   const startAlgorithm = nonOpStart;
 
   async function pullAlgorithm() {

test/wpt/status/streams.json

@@ -8,15 +8,6 @@
   "readable-streams/cross-realm-crash.window.js": {
     "skip": "Browser-specific test"
   },
-  "readable-streams/from.any.js": {
-    "fail": {
-      "note": "does not synchronously validate that the value returned by @@iterator/@@asyncIterator is an object",
-      "expected": [
-        "ReadableStream.from throws on invalid iterables; specifically an object with an @@iterator method returning a non-object",
-        "ReadableStream.from throws on invalid iterables; specifically an object with an @@asyncIterator method returning a non-object"
-      ]
-    }
-  },
   "readable-streams/owning-type-message-port.any.js": {
     "fail": {
       "note": "Readable streams with type owning are not yet supported",