From 2275faac2be1340107f92657382378ed4f005c41 Mon Sep 17 00:00:00 2001
From: LiviaMedeiros <livia@cirno.name>
Date: Mon, 18 Apr 2022 19:54:40 +0800
Subject: [PATCH] fs: harden fs.read(params, callback) typecheck

PR-URL: https://github.com/nodejs/node/pull/42772
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 lib/fs.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/fs.js b/lib/fs.js
index ffa216f35388e0..bcfa8aa6b2b611 100644
--- 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,