From 9541684292e45b3caaf5ad8bca8348ac970b6fca Mon Sep 17 00:00:00 2001
From: Christian Heimes <christian@python.org>
Date: Thu, 10 Mar 2022 17:57:23 +0100
Subject: [PATCH] Close fd leak in opendir / O_DIRECTORY

nfd must be closed when open() O_DIRECTORY fails with ENOTDIR.

Fixes: #16452
Signed-off-by: Christian Heimes <christian@python.org>
---
 src/library_noderawfs.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/library_noderawfs.js b/src/library_noderawfs.js
index f252e3a648045..15a8ea57d9322 100644
--- a/src/library_noderawfs.js
+++ b/src/library_noderawfs.js
@@ -90,6 +90,7 @@ mergeInto(LibraryManager.library, {
       var nfd = fs.openSync(pathTruncated, NODEFS.flagsForNode(flags), mode);
       var st = fs.fstatSync(nfd);
       if (flags & {{{ cDefine('O_DIRECTORY') }}} && !st.isDirectory()) {
+        fs.closeSync(nfd);
         throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR);
       }
       var newMode = NODEFS.getMode(pathTruncated);