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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 EFC5DC2D0C6 for ; Fri, 27 Dec 2019 17:44:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C01AD20740 for ; Fri, 27 Dec 2019 17:44:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577468661; bh=Jvvz7VAOuf5cr7sba0W0VhPGhpU6NhDWTovzuuWPgIw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fzwmixu/f+4Y+vyBjove2hIw08snHFe7o2MBhr1IDUoMc1g+9qC6CJCk95rBTr6Hz 3GwbKZCmMU08dFJZMFpX5wP5aLrGaW8weh7DBowyjz0Lb0utBO2qQ29gxaAbMFBll5 x00t8rCbY2xLs/FVs6Rcnu2HCNQ5+Va7X7UHukeg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728417AbfL0RoU (ORCPT ); Fri, 27 Dec 2019 12:44:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:42356 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728401AbfL0RoT (ORCPT ); Fri, 27 Dec 2019 12:44:19 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 97A6624125; Fri, 27 Dec 2019 17:44:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577468658; bh=Jvvz7VAOuf5cr7sba0W0VhPGhpU6NhDWTovzuuWPgIw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=exsQ2hwlHlKt1tvJN/qD0tsJIQCqqkwzS0RN0ZLiWFjDC4rZgbziop2YKYUnbetS7 8G9CUL75pMb0zxvpa5jTwIVusj23N58CC6PuznqaYVsXeVnDNh9sBRYyzo7F2JgjWK KrdAjWHSIxyx5RvjgpKNHaQr8+c1/XB2wWfU9wWg= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Pablo Neira Ayuso , Sasha Levin , netfilter-devel@vger.kernel.org, coreteam@netfilter.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 20/84] netfilter: nf_tables: validate NFT_SET_ELEM_INTERVAL_END Date: Fri, 27 Dec 2019 12:42:48 -0500 Message-Id: <20191227174352.6264-20-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191227174352.6264-1-sashal@kernel.org> References: <20191227174352.6264-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Pablo Neira Ayuso [ Upstream commit bffc124b6fe37d0ae9b428d104efb426403bb5c9 ] Only NFTA_SET_ELEM_KEY and NFTA_SET_ELEM_FLAGS make sense for elements whose NFT_SET_ELEM_INTERVAL_END flag is set on. Fixes: 96518518cc41 ("netfilter: add nftables") Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nf_tables_api.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 0e1b1f7f4745..42f79f9532c6 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4351,14 +4351,20 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set, if (nla[NFTA_SET_ELEM_DATA] == NULL && !(flags & NFT_SET_ELEM_INTERVAL_END)) return -EINVAL; - if (nla[NFTA_SET_ELEM_DATA] != NULL && - flags & NFT_SET_ELEM_INTERVAL_END) - return -EINVAL; } else { if (nla[NFTA_SET_ELEM_DATA] != NULL) return -EINVAL; } + if ((flags & NFT_SET_ELEM_INTERVAL_END) && + (nla[NFTA_SET_ELEM_DATA] || + nla[NFTA_SET_ELEM_OBJREF] || + nla[NFTA_SET_ELEM_TIMEOUT] || + nla[NFTA_SET_ELEM_EXPIRATION] || + nla[NFTA_SET_ELEM_USERDATA] || + nla[NFTA_SET_ELEM_EXPR])) + return -EINVAL; + timeout = 0; if (nla[NFTA_SET_ELEM_TIMEOUT] != NULL) { if (!(set->flags & NFT_SET_TIMEOUT)) -- 2.20.1