diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 15b7f876cb01e96a002ad32ed6bd61983589b693..18e176fcddf0b611c4d4f557e8891f48af67c48d 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -1801,6 +1801,10 @@ int smb2_sess_setup(struct ksmbd_work *work)
 				}
 				kfree(sess->Preauth_HashValue);
 				sess->Preauth_HashValue = NULL;
+			} else {
+				pr_info_ratelimited("Unknown NTLMSSP message type : 0x%x\n",
+						le32_to_cpu(negblob->MessageType));
+				rc = -EINVAL;
 			}
 		} else {
 			/* TODO: need one more negotiation */
@@ -4863,6 +4867,9 @@ static int smb2_get_info_filesystem(struct ksmbd_work *work,
 	int rc = 0, len;
 	int fs_infoclass_size = 0;
 
+	if (!share->path)
+		return -EIO;
+
 	rc = kern_path(share->path, LOOKUP_NO_SYMLINKS, &path);
 	if (rc) {
 		pr_err("cannot create vfs path\n");