2021-10-01 21:04 GMT+09:00, Ralph Boehme <slow@xxxxxxxxx>:
> Cc: Namjae Jeon <linkinjeon@xxxxxxxxxx>
> Cc: Tom Talpey <tom@xxxxxxxxxx>
> Cc: Ronnie Sahlberg <ronniesahlberg@xxxxxxxxx>
> Cc: Steve French <smfrench@xxxxxxxxx>
> Cc: Hyunchul Lee <hyc.lee@xxxxxxxxx>
> Signed-off-by: Ralph Boehme <slow@xxxxxxxxx>
> ---
> fs/ksmbd/smb2pdu.c | 13 ++++++++++---
> 1 file changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
> index 5b1fead05c49..ef551e3633db 100644
> --- a/fs/ksmbd/smb2pdu.c
> +++ b/fs/ksmbd/smb2pdu.c
> @@ -411,7 +411,6 @@ static void init_chained_smb2_rsp(struct ksmbd_work
> *work)
> work->compound_pfid =
> le64_to_cpu(((struct smb2_create_rsp *)rsp)->
> PersistentFileId);
> - work->compound_sid = le64_to_cpu(rsp->SessionId);
> }
>
> len = get_rfc1002_len(work->response_buf) - work->next_smb2_rsp_hdr_off;
> @@ -592,6 +591,8 @@ int smb2_check_user_session(struct ksmbd_work *work)
> unsigned long long sess_id;
>
> work->sess = NULL;
> + work->compound_sid = 0;
> +
> /*
> * SMB2_ECHO, SMB2_NEGOTIATE, SMB2_SESSION_SETUP command do not
> * require a session id, so no need to validate user session's for
> @@ -604,11 +605,17 @@ int smb2_check_user_session(struct ksmbd_work *work)
> if (!ksmbd_conn_good(work))
> return -EINVAL;
>
> - sess_id = le64_to_cpu(req_hdr->SessionId);
> + if (req_hdr->Flags & SMB2_FLAGS_RELATED_OPERATIONS)
> + sess_id = work->compound_sid;
same comment with previous tree id patch.
> + else
> + sess_id = le64_to_cpu(req_hdr->SessionId);
> +
> /* Check for validity of user session */
> work->sess = ksmbd_session_lookup_all(conn, sess_id);
> - if (work->sess)
> + if (work->sess) {
> + work->compound_sid = sess_id;
> return 1;
> + }
> ksmbd_debug(SMB, "Invalid user session, Uid %llu\n", sess_id);
> return -EINVAL;
> }
> --
> 2.31.1
>
>
