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=-10.0 required=3.0 tests=BAYES_00,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 E9103C433F7 for ; Mon, 20 Jul 2020 16:06:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BFA362064B for ; Mon, 20 Jul 2020 16:06:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595261212; bh=Nz8ZteKhSkYTG5rCDbUfXV2UcP+Q5MKHPQObJp6Ki0M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ODzodO72Yj3sU77yLqUXg8z3j5SAdLUXbVfBrnAAxwhRabX2NxEsgdvWsxwBMqIpf ORgw0eccmn2BQGvJwkl2DC6rQAUX0lZLunjFz8P6dMo+EzZzuWNIrXZGbEuUHNsd9R 3uwhsIP0jHzK/Vy+RmbFGvorQviw4qf0Ne5Lskeg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733092AbgGTQGu (ORCPT ); Mon, 20 Jul 2020 12:06:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:43014 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733066AbgGTQGf (ORCPT ); Mon, 20 Jul 2020 12:06:35 -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 BE2A12064B; Mon, 20 Jul 2020 16:06:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595261195; bh=Nz8ZteKhSkYTG5rCDbUfXV2UcP+Q5MKHPQObJp6Ki0M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=p/ERgPxndxD10b4dglrcDoLUlRUaezn9x1OqY/DqoHYkd0Uw6NXT71NsllcoXdfCf 6ebmYyzKBteF9fvW+C45CEo2S/z3Yargc94w5BWIb3owEvBO1GplIsPQxHyuT3u8sE B0Mrykj0GREPsPc240TR1OMZcBrNsj/UM1eMTw3E= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Miaohe Lin , "David S. Miller" Subject: [PATCH 5.7 027/244] net: ipv4: Fix wrong type conversion from hint to rt in ip_route_use_hint() Date: Mon, 20 Jul 2020 17:34:58 +0200 Message-Id: <20200720152827.152840776@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200720152825.863040590@linuxfoundation.org> References: <20200720152825.863040590@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Miaohe Lin [ Upstream commit 2ce578ca9444bb44da66b9a494f56e7ec12e6466 ] We can't cast sk_buff to rtable by (struct rtable *)hint. Use skb_rtable(). Fixes: 02b24941619f ("ipv4: use dst hint for ipv4 list receive") Signed-off-by: Miaohe Lin Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/ipv4/route.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2027,7 +2027,7 @@ int ip_route_use_hint(struct sk_buff *sk const struct sk_buff *hint) { struct in_device *in_dev = __in_dev_get_rcu(dev); - struct rtable *rt = (struct rtable *)hint; + struct rtable *rt = skb_rtable(hint); struct net *net = dev_net(dev); int err = -EINVAL; u32 tag = 0;