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fix: renderer crash on setImmediate #26747

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merged 1 commit into from Dec 1, 2020
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23 changes: 23 additions & 0 deletions shell/common/node_bindings.cc
Expand Up @@ -135,6 +135,23 @@ bool IsPackagedApp() {
#endif
}

void ErrorMessageListener(v8::Local<v8::Message> message,
v8::Local<v8::Value> data) {
v8::Isolate* isolate = v8::Isolate::GetCurrent();
node::Environment* env = node::Environment::GetCurrent(isolate);

// TODO(codebytere): properly emit the after() hooks now
// that the exception has been handled.
// See node/lib/internal/process/execution.js#L176-L180

// Ensure that the async id stack is properly cleared so the async
// hook stack does not become corrupted.

if (env) {
env->async_hooks()->clear_async_id_stack();
}
}

// Initialize Node.js cli options to pass to Node.js
// See https://nodejs.org/api/cli.html#cli_options
void SetNodeCliFlags() {
Expand Down Expand Up @@ -438,6 +455,12 @@ node::Environment* NodeBindings::CreateEnvironment(
// Match Blink's behavior by allowing microtasks invocation to be controlled
// by MicrotasksScope objects.
context->GetIsolate()->SetMicrotasksPolicy(v8::MicrotasksPolicy::kScoped);

// Isolate message listeners are additive (you can add multiple), so instead
// we add an extra one here to ensure that the async hook stack is properly
// cleared when errors are thrown.
context->GetIsolate()->AddMessageListenerWithErrorLevel(
ErrorMessageListener, v8::Isolate::kMessageError);
}

// This needs to be called before the inspector is initialized.
Expand Down
@@ -0,0 +1,22 @@
const { app, BrowserWindow } = require('electron');
const path = require('path');

app.whenReady().then(() => {
const win = new BrowserWindow({
show: false,
webPreferences: {
nodeIntegration: true,
preload: path.resolve(__dirname, 'preload.js')
}
});

win.loadURL('about:blank');

win.webContents.on('render-process-gone', () => {
process.exit(1);
});

win.webContents.on('did-finish-load', () => {
setTimeout(() => app.quit());
});
});
@@ -0,0 +1,3 @@
setImmediate(() => {
throw new Error('oh no');
});