From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:47054 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753815AbdDJO3K (ORCPT ); Mon, 10 Apr 2017 10:29:10 -0400 Subject: Patch "Reset TreeId to zero on SMB2 TREE_CONNECT" has been added to the 4.9-stable tree To: glogow@fbihome.de, aaptel@suse.com, gregkh@linuxfoundation.org, smfrench@gmail.com Cc: , From: Date: Mon, 10 Apr 2017 16:28:54 +0200 Message-ID: <1491834534208107@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled Reset TreeId to zero on SMB2 TREE_CONNECT to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: reset-treeid-to-zero-on-smb2-tree_connect.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 806a28efe9b78ffae5e2757e1ee924b8e50c08ab Mon Sep 17 00:00:00 2001 From: Jan-Marek Glogowski Date: Mon, 20 Feb 2017 12:25:58 +0100 Subject: Reset TreeId to zero on SMB2 TREE_CONNECT From: Jan-Marek Glogowski commit 806a28efe9b78ffae5e2757e1ee924b8e50c08ab upstream. Currently the cifs module breaks the CIFS specs on reconnect as described in http://msdn.microsoft.com/en-us/library/cc246529.aspx: "TreeId (4 bytes): Uniquely identifies the tree connect for the command. This MUST be 0 for the SMB2 TREE_CONNECT Request." Signed-off-by: Jan-Marek Glogowski Reviewed-by: Aurelien Aptel Tested-by: Aurelien Aptel Signed-off-by: Steve French Signed-off-by: Greg Kroah-Hartman --- fs/cifs/smb2pdu.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1104,6 +1104,10 @@ SMB2_tcon(const unsigned int xid, struct return -EINVAL; } + /* SMB2 TREE_CONNECT request must be called with TreeId == 0 */ + if (tcon) + tcon->tid = 0; + rc = small_smb2_init(SMB2_TREE_CONNECT, tcon, (void **) &req); if (rc) { kfree(unc_path); Patches currently in stable-queue which might be from glogow@fbihome.de are queue-4.9/reset-treeid-to-zero-on-smb2-tree_connect.patch