From ab2c449585ae457768a8449d877846fe7547f033 Mon Sep 17 00:00:00 2001
From: Renata Hodovan <reni@inf.u-szeged.hu>
Date: Tue, 23 Jul 2024 19:21:59 +0200
Subject: [PATCH] Ensure not creating a worker with non-existing module

Fixes #298.
---
 quickjs-libc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/quickjs-libc.c b/quickjs-libc.c
index 141f79f..40f33cb 100644
--- a/quickjs-libc.c
+++ b/quickjs-libc.c
@@ -3466,7 +3466,8 @@ static JSValue js_worker_ctor(JSContext *ctx, JSValueConst new_target,
 
     /* module name */
     filename = JS_ToCString(ctx, argv[0]);
-    if (!filename)
+    struct stat buffer;
+    if (!filename || stat(filename, &buffer) != 0)
         goto fail;
 
     args = malloc(sizeof(*args));