From f2e78affc48dee29b989c1d9b0d89b503dcd1204 Mon Sep 17 00:00:00 2001
From: Namjae Jeon <linkinjeon@kernel.org>
Date: Wed, 1 Dec 2021 10:12:39 +0900
Subject: [PATCH] ksmbd: fix uninitialized symbol 'pntsd_size'
No check for if "rc" is an error code for build_sec_desc().
This can cause problems with using uninitialized pntsd_size.
Fixes: e2f34481b24d ("cifsd: add server-side procedures for SMB3")
Cc: stable@vger.kernel.org # v5.15
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
fs/ksmbd/smb2pdu.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 49c9da37315c8..125590d5e9402 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -2962,6 +2962,10 @@ int smb2_open(struct ksmbd_work *work)
&pntsd_size, &fattr);
posix_acl_release(fattr.cf_acls);
posix_acl_release(fattr.cf_dacls);
+ if (rc) {
+ kfree(pntsd);
+ goto err_out;
+ }
rc = ksmbd_vfs_set_sd_xattr(conn,
user_ns,
--
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