From 51f547e3f0e0cf0f89383f5eb6287388532e12d4 Mon Sep 17 00:00:00 2001
From: zhenwei fang <fangzhenwei@bytedance.com>
Date: Wed, 21 Jan 2026 20:15:16 +0800
Subject: [PATCH] nsh: fix nsh redirect fd double close

avoid double-close of redirection fds

Signed-off-by: zhenwei fang <fangzhenwei@bytedance.com>
---
 nshlib/nsh_parse.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nshlib/nsh_parse.c b/nshlib/nsh_parse.c
index 9b7b371afdb..9b1bde87538 100644
--- a/nshlib/nsh_parse.c
+++ b/nshlib/nsh_parse.c
@@ -726,6 +726,8 @@ static int nsh_execute(FAR struct nsh_vtbl_s *vtbl,
       if (vtbl->np.np_redir_out || vtbl->np.np_redir_in)
         {
           nsh_undirect(vtbl, save);
+          fd_out = -1;
+          fd_in = -1;
         }
     }