From: ZhangGuoDong <zhangguodong@kylinos.cn>
Date: Mon, 29 Dec 2025 02:13:29 +0000 (+0800)
Subject: smb/server: fix refcount leak in parse_durable_handle_context()
X-Git-Tag: v6.19-rc4~13^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3296c3012a9d9a27e81e34910384e55a6ff3cff0;p=thirdparty%2Fkernel%2Fstable.git

smb/server: fix refcount leak in parse_durable_handle_context()

When the command is a replay operation and -ENOEXEC is returned,
the refcount of ksmbd_file must be released.

Signed-off-by: ZhangGuoDong <zhangguodong@kylinos.cn>
Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
---

diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 8a7c48adb87e..ec9e4cd24c4c 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -2812,6 +2812,7 @@ static int parse_durable_handle_context(struct ksmbd_work *work,
 					    SMB2_CLIENT_GUID_SIZE)) {
 					if (!(req->hdr.Flags & SMB2_FLAGS_REPLAY_OPERATION)) {
 						err = -ENOEXEC;
+						ksmbd_put_durable_fd(dh_info->fp);
 						goto out;
 					}