From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4C9D81C03 for ; Mon, 20 Mar 2023 15:14:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96EA8C433D2; Mon, 20 Mar 2023 15:14:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1679325298; bh=7p/td3llk9+XCPHleNjJ1IfPUpoZy1wQZiECXkRzvto=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NfCQnTVHz19THhXyfjuetIPR75cmv1eXHG85hU7su6tXJETRS4Y6oTCA+X+VEptI7 lS3XmdNo+mfjFfxsmq8zJMzsS2q57hotFsRngWjZZ9OfziSO/jNq/OAjxqiXGzoiZb CtTRg5/sDR6mapE1X0txXL8EloptzOON7ODw7+8Q= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jeremy Sowden , Florian Westphal , Pablo Neira Ayuso , Sasha Levin Subject: [PATCH 6.2 026/211] netfilter: nft_nat: correct length for loading protocol registers Date: Mon, 20 Mar 2023 15:52:41 +0100 Message-Id: <20230320145514.374128266@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230320145513.305686421@linuxfoundation.org> References: <20230320145513.305686421@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Jeremy Sowden [ Upstream commit 068d82e75d537b444303b8c449a11e51ea659565 ] The values in the protocol registers are two bytes wide. However, when parsing the register loads, the code currently uses the larger 16-byte size of a `union nf_inet_addr`. Change it to use the (correct) size of a `union nf_conntrack_man_proto` instead. Fixes: d07db9884a5f ("netfilter: nf_tables: introduce nft_validate_register_load()") Signed-off-by: Jeremy Sowden Reviewed-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nft_nat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c index 0479991503900..5c29915ab0289 100644 --- a/net/netfilter/nft_nat.c +++ b/net/netfilter/nft_nat.c @@ -226,7 +226,7 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr, priv->flags |= NF_NAT_RANGE_MAP_IPS; } - plen = sizeof_field(struct nf_nat_range, min_addr.all); + plen = sizeof_field(struct nf_nat_range, min_proto.all); if (tb[NFTA_NAT_REG_PROTO_MIN]) { err = nft_parse_register_load(tb[NFTA_NAT_REG_PROTO_MIN], &priv->sreg_proto_min, plen); -- 2.39.2