From: Lunaixsky <lunaixsky@qq.com>
Date: Sat, 10 May 2025 01:09:24 +0000 (+0100)
Subject: fix dangling pointer issues in ext2dr
X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/commitdiff_plain/bcc25888b3299758ad36721530cca3b899b7166c?hp=b1644f824d7f4989a94b8a752aadee26cae25069

fix dangling pointer issues in ext2dr
---

diff --git a/lunaix-os/kernel/fs/ext2/dir.c b/lunaix-os/kernel/fs/ext2/dir.c
index 9058c8a..06933db 100644
--- a/lunaix-os/kernel/fs/ext2/dir.c
+++ b/lunaix-os/kernel/fs/ext2/dir.c
@@ -565,7 +565,8 @@ ext2dr_insert(struct v_inode* this, struct ext2b_dirent* dirent,
         __release_dnode_blocks(e_dno);
     }
     else {
-        *e_dno_out = e_dno;
+        *e_dno_out = valloc(sizeof(*e_dno));
+        memcpy(*e_dno_out, e_dno, sizeof(*e_dno));
     }
 
     return errno;