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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE200C43334 for ; Mon, 13 Jun 2022 11:42:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355934AbiFMLmz (ORCPT ); Mon, 13 Jun 2022 07:42:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355060AbiFMLhI (ORCPT ); Mon, 13 Jun 2022 07:37:08 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C7EC945064; Mon, 13 Jun 2022 03:48:16 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0E82860FDB; Mon, 13 Jun 2022 10:48:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D39CC34114; Mon, 13 Jun 2022 10:48:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1655117295; bh=6kkjtfCyfPoYBDHlyShtWXsEIIe4ji9MKuIrYfI44CM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OnS37yOBHeDzU4vqAM77QCifXmtc5GsOMJzkkuGZL9tAx+RrGMtAna4VPpfTmC4fK CGUsahPLZjir+yBnSSSyTtIn//RUOkFfZ5roqSi9JUe4ksGdArydrvAqRbAIF++GHd KNYuDSWIwdMQ6ypU2wwzcY9SeTOQyhvcvFpeV+FU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Pablo Neira Ayuso , Sasha Levin Subject: [PATCH 5.4 350/411] netfilter: nf_tables: memleak flow rule from commit path Date: Mon, 13 Jun 2022 12:10:23 +0200 Message-Id: <20220613094939.199850634@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220613094928.482772422@linuxfoundation.org> References: <20220613094928.482772422@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pablo Neira Ayuso [ Upstream commit 9dd732e0bdf538b1b76dc7c157e2b5e560ff30d3 ] Abort path release flow rule object, however, commit path does not. Update code to destroy these objects before releasing the transaction. Fixes: c9626a2cbdb2 ("netfilter: nf_tables: add hardware offload support") Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nf_tables_api.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index b51c192105fc..58a7d89719b1 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -6570,6 +6570,9 @@ static void nft_commit_release(struct nft_trans *trans) nf_tables_chain_destroy(&trans->ctx); break; case NFT_MSG_DELRULE: + if (trans->ctx.chain->flags & NFT_CHAIN_HW_OFFLOAD) + nft_flow_rule_destroy(nft_trans_flow_rule(trans)); + nf_tables_rule_destroy(&trans->ctx, nft_trans_rule(trans)); break; case NFT_MSG_DELSET: @@ -6891,6 +6894,9 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb) nf_tables_rule_notify(&trans->ctx, nft_trans_rule(trans), NFT_MSG_NEWRULE); + if (trans->ctx.chain->flags & NFT_CHAIN_HW_OFFLOAD) + nft_flow_rule_destroy(nft_trans_flow_rule(trans)); + nft_trans_destroy(trans); break; case NFT_MSG_DELRULE: -- 2.35.1