From patchwork Tue Mar 10 12:38:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 229456 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 F2C00C10F27 for ; Tue, 10 Mar 2020 13:35:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C98AA20675 for ; Tue, 10 Mar 2020 13:35:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583847328; bh=JnxO00KRWh6HTLd5dyxWlQssitdufeTK2bB+WzCikpc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=2R7JP9CQcBchy8k6ySgBDAbEbefYV3p8Z+Rn9EJdBEVWcB0tLbqhzhr4371NH3HIQ lRO/1PZvuXcCzBn+qeTnLdn2AV54VonxdG0I99/QC4zHAIrpJ20D31mBy81f05kIgS 9aGCey23/UHSVQuzSGgH3sv4BQwxvYTbLI1LiGHg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727758AbgCJMoe (ORCPT ); Tue, 10 Mar 2020 08:44:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:46876 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727764AbgCJMod (ORCPT ); Tue, 10 Mar 2020 08:44:33 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E41AE246A6; Tue, 10 Mar 2020 12:44:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583844273; bh=JnxO00KRWh6HTLd5dyxWlQssitdufeTK2bB+WzCikpc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D3ChUM4ewLaHWfHAHX7C8LhZ5AlcNYFZ73caZ1j6uCeCWORE7kAYVFPutTTfN2dwg Z8vUiVjUW3ZLdnFH78WaYf39uPuHc1/O2L6HmBdVu4lnsjoP7qy+LE9sQg1Kk0Ul0R GFnLvAnW2m4SJLxU40bz8DXer+I0qEx8plzPWCPQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jethro Beekman , "David S. Miller" Subject: [PATCH 4.9 21/88] net: fib_rules: Correctly set table field when table number exceeds 8 bits Date: Tue, 10 Mar 2020 13:38:29 +0100 Message-Id: <20200310123611.276846968@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200310123606.543939933@linuxfoundation.org> References: <20200310123606.543939933@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jethro Beekman [ Upstream commit 540e585a79e9d643ede077b73bcc7aa2d7b4d919 ] In 709772e6e06564ed94ba740de70185ac3d792773, RT_TABLE_COMPAT was added to allow legacy software to deal with routing table numbers >= 256, but the same change to FIB rule queries was overlooked. Signed-off-by: Jethro Beekman Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/core/fib_rules.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -640,7 +640,7 @@ static int fib_nl_fill_rule(struct sk_bu frh = nlmsg_data(nlh); frh->family = ops->family; - frh->table = rule->table; + frh->table = rule->table < 256 ? rule->table : RT_TABLE_COMPAT; if (nla_put_u32(skb, FRA_TABLE, rule->table)) goto nla_put_failure; if (nla_put_u32(skb, FRA_SUPPRESS_PREFIXLEN, rule->suppress_prefixlen))