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 D0D6817AAD for ; Wed, 9 Aug 2023 11:35:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 500ECC433C7; Wed, 9 Aug 2023 11:35:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1691580926; bh=2mZlbLAVD93nf+7an2Iq42iwijLxRuU4FTlpsPyEBwA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=d55J0qv6h7tL+8SYYZpSXrBv3US8cET3JO1vfT80SymdeeUrGuTNfZiNIKHI+XnSj lqU3QtASli/Lc6aYja4lOaknFklYaxVRsDMeSxniM/p90snqadtOpmiLLnBww3IF5n S1a2EnVPPwU95hSxSe8iIfmd+dRkwTu1gEfvvFzI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pablo Neira Ayuso , Sasha Levin Subject: [PATCH 5.10 043/201] netfilter: nftables: add helper function to validate set element data Date: Wed, 9 Aug 2023 12:40:45 +0200 Message-ID: <20230809103645.288315462@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230809103643.799166053@linuxfoundation.org> References: <20230809103643.799166053@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: Pablo Neira Ayuso [ Upstream commit 97c976d662fb9080a6a5d1e1a108c7a1f5c9484d ] When binding sets to rule, validate set element data according to set definition. This patch adds a helper function to be reused by the catch-all set element support. Signed-off-by: Pablo Neira Ayuso Stable-dep-of: 0a771f7b266b ("netfilter: nf_tables: skip immediate deactivate in _PREPARE_ERROR") Signed-off-by: Sasha Levin --- net/netfilter/nf_tables_api.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 356416564d9f4..5ef9acba7c171 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4576,10 +4576,9 @@ static int nft_validate_register_store(const struct nft_ctx *ctx, enum nft_data_types type, unsigned int len); -static int nf_tables_bind_check_setelem(const struct nft_ctx *ctx, - struct nft_set *set, - const struct nft_set_iter *iter, - struct nft_set_elem *elem) +static int nft_setelem_data_validate(const struct nft_ctx *ctx, + struct nft_set *set, + struct nft_set_elem *elem) { const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv); enum nft_registers dreg; @@ -4591,6 +4590,14 @@ static int nf_tables_bind_check_setelem(const struct nft_ctx *ctx, set->dlen); } +static int nf_tables_bind_check_setelem(const struct nft_ctx *ctx, + struct nft_set *set, + const struct nft_set_iter *iter, + struct nft_set_elem *elem) +{ + return nft_setelem_data_validate(ctx, set, elem); +} + int nf_tables_bind_set(const struct nft_ctx *ctx, struct nft_set *set, struct nft_set_binding *binding) { -- 2.39.2