From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:58880 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751894AbeFXP2q (ORCPT ); Sun, 24 Jun 2018 11:28:46 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sachin Prabhu , Steve French , Ronnie Sahlberg Subject: [PATCH 4.14 31/52] smb3: on reconnect set PreviousSessionId field Date: Sun, 24 Jun 2018 23:21:24 +0800 Message-Id: <20180624142746.347926845@linuxfoundation.org> In-Reply-To: <20180624142744.234164867@linuxfoundation.org> References: <20180624142744.234164867@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Steve French commit b2adf22fdfba85a6701c481faccdbbb3a418ccfc upstream. The server detects reconnect by the (non-zero) value in PreviousSessionId of SMB2/SMB3 SessionSetup request, but this behavior regressed due to commit 166cea4dc3a4f66f020cfb9286225ecd228ab61d ("SMB2: Separate RawNTLMSSP authentication from SMB2_sess_setup") CC: Stable CC: Sachin Prabhu Signed-off-by: Steve French Reviewed-by: Ronnie Sahlberg Signed-off-by: Greg Kroah-Hartman --- fs/cifs/smb2pdu.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1182,6 +1182,7 @@ SMB2_sess_setup(const unsigned int xid, sess_data->ses = ses; sess_data->buf0_type = CIFS_NO_BUFFER; sess_data->nls_cp = (struct nls_table *) nls_cp; + sess_data->previous_session = ses->Suid; while (sess_data->func) sess_data->func(sess_data);