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Sun, 28 Jan 2018 18:12:17 -0500 Received: from mail-by2nam03on0099.outbound.protection.outlook.com ([104.47.42.99]:57621 "EHLO NAM03-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753205AbeA1W0z (ORCPT ); Sun, 28 Jan 2018 17:26:55 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Moni Shoua , Mukesh Kacker , Daniel Jurgens , Leon Romanovsky , Jason Gunthorpe , Sasha Levin Subject: [PATCH AUTOSEL for 4.14 034/100] RDMA/cma: Make sure that PSN is not over max allowed Thread-Topic: [PATCH AUTOSEL for 4.14 034/100] RDMA/cma: Make sure that PSN is not over max allowed Thread-Index: AQHTmIcFoIN5EudPNU+ixUFio99UQg== Date: Sun, 28 Jan 2018 22:26:20 +0000 Message-ID: <20180128222547.7398-34-alexander.levin@microsoft.com> References: <20180128222547.7398-1-alexander.levin@microsoft.com> In-Reply-To: <20180128222547.7398-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MWHSPR01MB344;6:4iXnR2ttiAYitUTuOwH25QllC+XiADuU5Xg+L/+ABz99BczZjS7rGa9WLhcAU0/HvjFSVqXiLx6wohlaGwCDkVm42oXz+vnh9aAfug8S8p4FbXTNOE8HmnQdTvUIHC/8SvIkN3AbOtrsJa70jqsPp/0qk6uv0NcvvgI3FB02fl4D3UjZykx8MlUFgrCjYB3TwuN9rV3tEMxwCidJn9XsRihwmQh3mygeOIX7m14jPNZuxRZHz4OzGJp2CUOzfAueWwsMeXi9Ejb3aTcOL0Pb1NvXa2BzqgO5/vahTZRWtEAslh8U51Y+QR52tFSG2t21IEMYnMqT8T6pgXgkmk3bcWQGv1xaqGaIhIcg6WGBgJYp5bIw4+WjXJY+JGO5h8rE;5:pPWJcCAz5IiqsgoMESLJ/JhVO77JYxKMrIUQ6PNl5gYayz+Znxg0U1ryqARGB9gfxtV0ZYghr6iI8Jtt6yqak9zBdBKzJQi28+y4ao0AZt7IhxoITA0pi3vhMwNtbg5+NsnB+OPtOQESWVL8zKZYpNkj2e8PItV/OKBKqR8md7Y=;24:fH2wdF2M1rLjP9JpVYyBynGkrEXXFDUvhd/7hSMuhSUXC4PCMgHShkE2S77c2hiHTPqeQ6ko30B4fq2MG41P9G1lv868wBdzIddA1sGt/DU=;7:v6QX6Vx2cp5LwL0xnGsy8vNyKcJZ8kwpU2o2rzhdDzjwc8045FyAp5fCSurtYf9cDGnmWpV/hHCOT0FJgLkJzN/XV7ilYbnEN+BRV/xl1b2PQ2hm6pGXiNP5yQ+uTGxjCKgnt1RTQjI9WLJzFq2z6ZVPjNpPG7jiI4GeqbgM6otoxOV375zJg49A9DFIyWS2IlRl5+n0fYGRIdeMxgLokJH34Z4ZziWDPR1xCA6qPnurtSeOdT8iu40Vd+J1AEWH x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: da79ea27-7af7-47ba-6aa3-08d5669e3a8d x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(48565401081)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:MWHSPR01MB344; 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x-microsoft-antispam-message-info: RtQH6Ok+WPTdV1cnUV6YfSaqdqMHQ4hQ7vUJJiBiVj3jZP0+HTpN9bDPVt/qDgzn2I+hicjigY1yCOPPDjdDMg== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: da79ea27-7af7-47ba-6aa3-08d5669e3a8d X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Jan 2018 22:26:20.5623 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHSPR01MB344 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Moni Shoua [ Upstream commit 23a9cd2ad90543e9da3786878d2b2729c095439d ] This patch limits the initial value for PSN to 24 bits as spec requires. Signed-off-by: Moni Shoua Signed-off-by: Mukesh Kacker Signed-off-by: Daniel Jurgens Reviewed-by: Parav Pandit Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/core/cma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index fa79c7076ccd..09063f0d86d2 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -801,6 +801,7 @@ struct rdma_cm_id *rdma_create_id(struct net *net, INIT_LIST_HEAD(&id_priv->mc_list); get_random_bytes(&id_priv->seq_num, sizeof id_priv->seq_num); id_priv->id.route.addr.dev_addr.net =3D get_net(net); + id_priv->seq_num &=3D 0x00ffffff; =20 return &id_priv->id; } --=20 2.11.0