fs: harden fs.read(params, callback) typecheck

PR-URL: #42772 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
nodejs · Sep 11, 2022 · 2275faa · 2275faa
1 parent 29953a0
commit 2275faa
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/fs.js b/lib/fs.js
@@ -639,6 +639,9 @@ function read(fd, buffer, offsetOrOptions, length, position, callback) {
       buffer = Buffer.alloc(16384);
     }
 
+    if (params !== undefined) {
+      validateObject(params, 'options', { nullable: true });
+    }
     ({
       offset = 0,
       length = buffer.byteLength - offset,