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,URIBL_BLOCKED,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 D5E29C432C0 for ; Fri, 22 Nov 2019 06:14:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9ECFC20726 for ; Fri, 22 Nov 2019 06:14:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574403247; bh=72DEc1uVA0lJQcQ4ptWo7rkO3ToaqRBmPAoIfpoj9J0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=iehZrDlMGR02z1Jpd9XEipAwxOkfUkuyFWFafiJaDAGJHS1UdmCjQ72ra8/1fmbRn D+mSIuuavG3dhTslJN1ord9bTyLlgwJPRfyoN3Pl/Z5kglbddmeXjLetaqrjqfr6LW Ft44P7jjZVhytwddfj9OjGija3fBqE+Jh3erTJa8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729623AbfKVGOG (ORCPT ); Fri, 22 Nov 2019 01:14:06 -0500 Received: from mail.kernel.org ([198.145.29.99]:51600 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729602AbfKVGOF (ORCPT ); Fri, 22 Nov 2019 01:14:05 -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 A51B02068E; Fri, 22 Nov 2019 06:14:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574403244; bh=72DEc1uVA0lJQcQ4ptWo7rkO3ToaqRBmPAoIfpoj9J0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HjtU0WzPe0LcYvdPbJRjZDlUzgpNUgawpAOetVz9HhETxxggij14SsTMntSAydl+v WB5iqE3IGh/BWGEeRw2SUapfuD6GWBgJ/f0UxblcleX78WPCLTsEhACm22GXX2bd0o +XO4HxaCCZDrIsQLNA6Jle8HXHd3GH3VH6vcGtyo= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: "Gustavo A. R. Silva" , Ying Xue , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org, tipc-discussion@lists.sourceforge.net Subject: [PATCH AUTOSEL 4.4 55/68] tipc: fix memory leak in tipc_nl_compat_publ_dump Date: Fri, 22 Nov 2019 01:12:48 -0500 Message-Id: <20191122061301.4947-54-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191122061301.4947-1-sashal@kernel.org> References: <20191122061301.4947-1-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: "Gustavo A. R. Silva" [ Upstream commit f87d8ad9233f115db92c6c087d58403b0009ed36 ] There is a memory leak in case genlmsg_put fails. Fix this by freeing *args* before return. Addresses-Coverity-ID: 1476406 ("Resource leak") Fixes: 46273cf7e009 ("tipc: fix a missing check of genlmsg_put") Signed-off-by: Gustavo A. R. Silva Acked-by: Ying Xue Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/tipc/netlink_compat.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c index 4f6fbd2f29add..392d72d65e602 100644 --- a/net/tipc/netlink_compat.c +++ b/net/tipc/netlink_compat.c @@ -926,8 +926,10 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock) hdr = genlmsg_put(args, 0, 0, &tipc_genl_family, NLM_F_MULTI, TIPC_NL_PUBL_GET); - if (!hdr) + if (!hdr) { + kfree_skb(args); return -EMSGSIZE; + } nest = nla_nest_start(args, TIPC_NLA_SOCK); if (!nest) { -- 2.20.1