src: fix execArgv in worker

PR-URL: #53029
Fixes: #53011
Reviewed-By: Yagiz Nizipli <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>

Author: theanarkh

src/node_worker.cc

@@ -625,9 +625,8 @@ void Worker::New(const FunctionCallbackInfo<Value>& args) {
         exec_argv.push_back(arg_string);
       }
     } else {
-      exec_argv_out = env->exec_argv();
       exec_argv.insert(
-          exec_argv.end(), exec_argv_out.begin(), exec_argv_out.end());
+          exec_argv.end(), env->exec_argv().begin(), env->exec_argv().end());
     }
 
     std::vector<std::string> invalid_args{};
@@ -643,7 +642,9 @@ void Worker::New(const FunctionCallbackInfo<Value>& args) {
 
     // The first argument is program name.
     invalid_args.erase(invalid_args.begin());
-    if (errors.size() > 0 || invalid_args.size() > 0) {
+    // Only fail for explicitly provided execArgv, this protects from failures
+    // when execArgv from parent's execArgv is used (which is the default).
+    if (errors.size() > 0 || (invalid_args.size() > 0 && args[2]->IsArray())) {
       Local<Value> error;
       if (!ToV8Value(env->context(), errors.size() > 0 ? errors : invalid_args)
                .ToLocal(&error)) {

test/parallel/test-worker-cli-options.js

@@ -1,16 +1,31 @@
-// Flags: --expose-internals
+// Flags: --expose-internals --expose-gc
 'use strict';
 require('../common');
 const { Worker } = require('worker_threads');
+const assert = require('assert');
 
 const CODE = `
 // If the --expose-internals flag does not pass to worker
 // require function will throw an error
 require('internal/options');
+global.gc();
 `;
-// Test if the flags is passed to worker threads
+
+// Test if the flags is passed to worker threads correctly
+// and do not throw an error with the invalid execArgv
+// when execArgv is inherited from parent
 // See https://github.com/nodejs/node/issues/52825
+// See https://github.com/nodejs/node/issues/53011
+
+// Inherited env, execArgv from the parent will be ok
 new Worker(CODE, { eval: true });
-new Worker(CODE, { eval: true, env: process.env, execArgv: ['--expose-internals'] });
+// Pass process.env explicitly and inherited execArgv from parent will be ok
 new Worker(CODE, { eval: true, env: process.env });
+// Inherited env from the parent and pass execArgv (Node.js options) explicitly will be ok
 new Worker(CODE, { eval: true, execArgv: ['--expose-internals'] });
+// Pass process.env and execArgv (Node.js options) explicitly will be ok
+new Worker(CODE, { eval: true, env: process.env, execArgv: ['--expose-internals'] });
+//  Pass execArgv (V8 options) explicitly will throw an error
+assert.throws(() => {
+  new Worker(CODE, { eval: true, execArgv: ['--expose-gc'] });
+}, /ERR_WORKER_INVALID_EXEC_ARGV/);