From 2e8e37bbf8860dc413a732f27ccbe2d841756443 Mon Sep 17 00:00:00 2001
From: chenrun1 <chenrun1@xiaomi.com>
Date: Fri, 20 Sep 2024 17:36:43 +0800
Subject: [PATCH] lib_fdopendir.c:Fix crash in fdopendir caused by fdsan

Summary:
  Add fdsan check in fdopendir, fdsan can work normally when using fdopendir

Signed-off-by: chenrun1 <chenrun1@xiaomi.com>
---
 libs/libc/dirent/lib_fdopendir.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/libs/libc/dirent/lib_fdopendir.c b/libs/libc/dirent/lib_fdopendir.c
index 80107ddefdb..be0f213c6db 100644
--- a/libs/libc/dirent/lib_fdopendir.c
+++ b/libs/libc/dirent/lib_fdopendir.c
@@ -27,6 +27,10 @@
 #include <dirent.h>
 #include <errno.h>
 
+#ifdef CONFIG_FDSAN
+#  include <android/fdsan.h>
+#endif
+
 #include "libc.h"
 
 /****************************************************************************
@@ -83,5 +87,12 @@ FAR DIR *fdopendir(int fd)
     }
 
   dir->fd = fd;
+
+#ifdef CONFIG_FDSAN
+  android_fdsan_exchange_owner_tag(fd, 0,
+    android_fdsan_create_owner_tag(ANDROID_FDSAN_OWNER_TYPE_DIR,
+                                   (uintptr_t)dir));
+#endif
+
   return dir;
 }