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=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,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 E9C94C49ED7 for ; Fri, 13 Sep 2019 11:32:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CA6A120693 for ; Fri, 13 Sep 2019 11:32:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387819AbfIMLbS (ORCPT ); Fri, 13 Sep 2019 07:31:18 -0400 Received: from correo.us.es ([193.147.175.20]:42518 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387431AbfIMLbS (ORCPT ); Fri, 13 Sep 2019 07:31:18 -0400 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id 4647F4FFE20 for ; Fri, 13 Sep 2019 13:31:14 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 3109EA7DCD for ; Fri, 13 Sep 2019 13:31:14 +0200 (CEST) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id 24496A7DBD; Fri, 13 Sep 2019 13:31:14 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 7E937A7E23; Fri, 13 Sep 2019 13:31:11 +0200 (CEST) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Fri, 13 Sep 2019 13:31:11 +0200 (CEST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from salvia.here (sys.soleta.eu [212.170.55.40]) (Authenticated sender: pneira@us.es) by entrada.int (Postfix) with ESMTPA id 46B3242EE396; Fri, 13 Sep 2019 13:31:11 +0200 (CEST) X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org Subject: [PATCH 01/27] netfilter: nf_tables: Fix an Oops in nf_tables_updobj() error handling Date: Fri, 13 Sep 2019 13:30:36 +0200 Message-Id: <20190913113102.15776-2-pablo@netfilter.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190913113102.15776-1-pablo@netfilter.org> References: <20190913113102.15776-1-pablo@netfilter.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Dan Carpenter The "newobj" is an error pointer so we can't pass it to kfree(). It doesn't need to be freed so we can remove that and I also renamed the error label. Fixes: d62d0ba97b58 ("netfilter: nf_tables: Introduce stateful object update operation") Signed-off-by: Dan Carpenter Acked-by: Fernando Fernandez Mancera Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_tables_api.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 013d28899cab..7def31ae3022 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -5151,7 +5151,7 @@ static int nf_tables_updobj(const struct nft_ctx *ctx, newobj = nft_obj_init(ctx, type, attr); if (IS_ERR(newobj)) { err = PTR_ERR(newobj); - goto err1; + goto err_free_trans; } nft_trans_obj(trans) = obj; @@ -5160,9 +5160,9 @@ static int nf_tables_updobj(const struct nft_ctx *ctx, list_add_tail(&trans->list, &ctx->net->nft.commit_list); return 0; -err1: + +err_free_trans: kfree(trans); - kfree(newobj); return err; } -- 2.11.0