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=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 0C3FBC43215 for ; Fri, 22 Nov 2019 06:04:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CDBC920674 for ; Fri, 22 Nov 2019 06:04:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402670; bh=2I9Q5RZv4vFqcYUDXsOPoH6jOFkXbntQMaM9J+ZkrvI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FLIJjJ3loIXbLMVAGAAUa1FAHkn7ifwbXYLVzqXCz3yWJFi38Fkd+UUlKuCC24r6i v/1L/t1Ns0DVFsafb2kiuMTGam60/UYusFBdNPii9VQlJ06NStOu5EzNChMsmMme1K tVyH6Ug+UJMak5jBW0D2BGtMaT57H/R9hA1kf2zg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729821AbfKVGCy (ORCPT ); Fri, 22 Nov 2019 01:02:54 -0500 Received: from mail.kernel.org ([198.145.29.99]:41802 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729809AbfKVGCx (ORCPT ); Fri, 22 Nov 2019 01:02:53 -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 59F0420659; Fri, 22 Nov 2019 06:02:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402573; bh=2I9Q5RZv4vFqcYUDXsOPoH6jOFkXbntQMaM9J+ZkrvI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pR9YNRaToR9lO8p5a6Ct4rmrD6st6pPieUlL5d1yVU1Kwoi7rGrK85LGkdCPlJbWm P22JwN+9ElOMcA1oZJaD8Xi+tx4delOWsSTgdHP0cc4d6BmUED4mM96BR3i7ncYzX9 AIxUvi3dWLyeUDLig8HrQ+Y7RKvwjRrPNl7NcCrc= 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 4.9 75/91] tipc: fix memory leak in tipc_nl_compat_publ_dump Date: Fri, 22 Nov 2019 01:01:13 -0500 Message-Id: <20191122060129.4239-74-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191122060129.4239-1-sashal@kernel.org> References: <20191122060129.4239-1-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 454ed8ea194c8..e3fc959e496d4 100644 --- a/net/tipc/netlink_compat.c +++ b/net/tipc/netlink_compat.c @@ -974,8 +974,10 @@ 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