[PATCH v3 02/22] smb/server: fix possible refcount leak in smb2_sess_setup()

chenxiaosong.chenxiaosong
2025-10-14T07:21:03Z

From: ZhangGuoDong <zhangguodong@kylinos.cn>

Reference count of ksmbd_session will leak when session need reconnect.
Fix this by adding the missing ksmbd_user_session_put().

Co-developed-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: ZhangGuoDong <zhangguodong@kylinos.cn>
---
fs/smb/server/smb2pdu.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index e81e615f322a..b731d9b09408 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -1806,6 +1806,7 @@ int smb2_sess_setup(struct ksmbd_work *work)

if (ksmbd_conn_need_reconnect(conn)) {
rc = -EFAULT;
+ ksmbd_user_session_put(sess);
sess = NULL;
goto out_err;
}
--
2.43.0