From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:32828 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752126AbdHCWoh (ORCPT ); Thu, 3 Aug 2017 18:44:37 -0400 Subject: Patch "RDMA/uverbs: Fix the check for port number" has been added to the 4.9-stable tree To: mustafa.ismail@intel.com, dledford@redhat.com, gregkh@linuxfoundation.org, mike.marciniszyn@intel.com, swise@opengridcomputing.com Cc: , From: Date: Thu, 03 Aug 2017 15:44:30 -0700 Message-ID: <1501800270204243@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 RDMA/uverbs: Fix the check for port number 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: rdma-uverbs-fix-the-check-for-port-number.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 5a7a88f1b488e4ee49eb3d5b82612d4d9ffdf2c3 Mon Sep 17 00:00:00 2001 From: "Ismail, Mustafa" Date: Fri, 14 Jul 2017 09:41:30 -0500 Subject: RDMA/uverbs: Fix the check for port number From: Ismail, Mustafa commit 5a7a88f1b488e4ee49eb3d5b82612d4d9ffdf2c3 upstream. The port number is only valid if IB_QP_PORT is set in the mask. So only check port number if it is valid to prevent modify_qp from failing due to an invalid port number. Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds") Reviewed-by: Steve Wise Signed-off-by: Mustafa Ismail Tested-by: Mike Marciniszyn Signed-off-by: Doug Ledford Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/core/uverbs_cmd.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2342,8 +2342,9 @@ ssize_t ib_uverbs_modify_qp(struct ib_uv if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - if (cmd.port_num < rdma_start_port(ib_dev) || - cmd.port_num > rdma_end_port(ib_dev)) + if ((cmd.attr_mask & IB_QP_PORT) && + (cmd.port_num < rdma_start_port(ib_dev) || + cmd.port_num > rdma_end_port(ib_dev))) return -EINVAL; INIT_UDATA(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd, Patches currently in stable-queue which might be from mustafa.ismail@intel.com are queue-4.9/rdma-uverbs-fix-the-check-for-port-number.patch