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 AA9CFC4167B for ; Mon, 4 Dec 2023 20:39:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345987AbjLDUjV (ORCPT ); Mon, 4 Dec 2023 15:39:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235535AbjLDUjD (ORCPT ); Mon, 4 Dec 2023 15:39:03 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4112F26B9 for ; Mon, 4 Dec 2023 12:36:34 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B74FC433CB; Mon, 4 Dec 2023 20:36:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701722193; bh=5aaVddaxnZ8/nE7jtW/8lqmeta3wu189jxHfWgQbNzs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tGFqefgP9MKZ83rtRL0dtF64fgNPtHm1OGFbVwUkkNbUFRN46SBMYbov1210SZOuQ 1X5s1sOLq3ZWa708xJjlSEGBs/jGasijqdIBRvX7RPVKZJMnANND8zzUxLOkrVuOhE he9aFlKBa/gRfjus0Iks048ex3V9+XejS+rAjIDYVMzGQBu3NmLZrpKPbYvhMjcq6/ 2NFs1zbJiS/l6dJwRtN7RhR7V/CatSqG9CTwihSHEfP8w9Tz6bZkZkzUeRi0q+r9yO ohigYDBABLy1R6Z+AKBec5UkFYm3qG2SceduVH6oM2OxF+DTc2Y88ffzJtaxWVjTcc /Q6kB4tGCSbhQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Edward Adam Davis , syzbot+b834a6b2decad004cfa1@syzkaller.appspotmail.com, Paolo Abeni , "David S . Miller" , Sasha Levin , matttbe@kernel.org, martineau@kernel.org, edumazet@google.com, kuba@kernel.org, netdev@vger.kernel.org, mptcp@lists.linux.dev Subject: [PATCH AUTOSEL 5.15 04/10] mptcp: fix uninit-value in mptcp_incoming_options Date: Mon, 4 Dec 2023 15:36:01 -0500 Message-ID: <20231204203616.2094529-4-sashal@kernel.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231204203616.2094529-1-sashal@kernel.org> References: <20231204203616.2094529-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.141 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Edward Adam Davis [ Upstream commit 237ff253f2d4f6307b7b20434d7cbcc67693298b ] Added initialization use_ack to mptcp_parse_option(). Reported-by: syzbot+b834a6b2decad004cfa1@syzkaller.appspotmail.com Signed-off-by: Edward Adam Davis Acked-by: Paolo Abeni Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/mptcp/options.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/mptcp/options.c b/net/mptcp/options.c index aa4b0cf7c6380..012e0e352276f 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -103,6 +103,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->suboptions |= OPTION_MPTCP_DSS; mp_opt->use_map = 1; mp_opt->mpc_map = 1; + mp_opt->use_ack = 0; mp_opt->data_len = get_unaligned_be16(ptr); ptr += 2; } -- 2.42.0