From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CFB35C04AB6 for ; Tue, 28 May 2019 18:20:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AF22D20989 for ; Tue, 28 May 2019 18:20:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727993AbfE1SUV (ORCPT ); Tue, 28 May 2019 14:20:21 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:49522 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727428AbfE1SUV (ORCPT ); Tue, 28 May 2019 14:20:21 -0400 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::3d8]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 352F812DAD570; Tue, 28 May 2019 11:20:20 -0700 (PDT) Date: Tue, 28 May 2019 11:20:19 -0700 (PDT) Message-Id: <20190528.112019.816281435273023187.davem@davemloft.net> To: maxime.chevallier@bootlin.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, antoine.tenart@bootlin.com, thomas.petazzoni@bootlin.com, gregory.clement@bootlin.com, miquel.raynal@bootlin.com, nadavh@marvell.com, stefanc@marvell.com, mw@semihalf.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, lkp@intel.com, dan.carpenter@oracle.com Subject: Re: [PATCH net-next] net: mvpp2: cls: Check RSS table index validity when creating a context From: David Miller In-Reply-To: <20190527115201.12721-1-maxime.chevallier@bootlin.com> References: <20190527115201.12721-1-maxime.chevallier@bootlin.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 28 May 2019 11:20:20 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Maxime Chevallier Date: Mon, 27 May 2019 13:52:01 +0200 > Make sure we don't use an out-of-bound index for the per-port RSS > context array. > > As of today, the global context creation in mvpp22_rss_context_create > will prevent us from reaching this case, but we should still make sure > we are using a sane value anyway. > > Reported-by: kbuild test robot > Reported-by: Dan Carpenter > Signed-off-by: Maxime Chevallier Applied.