From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B9D954BAA4; Tue, 23 Jan 2024 00:45:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705970710; cv=none; b=GSatZhqCVxb1m7rPU75Wf00Q3czb8NihjpCQNLxVH8NJaEl1VSTexsUIedQo+wiVKr2VvsBC1Dp4TnbHP0fumLmyhb/UuligY8au3uwTmIfkhqWGKe/lQFfeWNZ6lha8XRwYFVH2yZ7riN5rxahnz3gQexELMilizj62nwe7BGw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705970710; c=relaxed/simple; bh=6OyHwIxTOmDHBYxOdbafKVxcI/DNFNw22/D+6Tp778g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bJBS6nYY82pLFq5NkSfZOl8ROLpth9ajDHgsgc8r80fVdoEDZO6tQwDOCsv/YIt/hefC/Gx0U+Kq4/Vne3EAwIpge2GD8vemjy4W9ZUKYLD97NE0VItVUEP94php27VkFAgWC/qGz6SRV7rnYXUE3GuWOQnrkloxXT9F3P0kteo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=K+H0ZWTa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="K+H0ZWTa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3B5A0C433F1; Tue, 23 Jan 2024 00:45:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705970710; bh=6OyHwIxTOmDHBYxOdbafKVxcI/DNFNw22/D+6Tp778g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=K+H0ZWTaJlikqImHSrZPvExz0wz4EJpEPz7FZUH1MJa1OZJtRUq8QdL26/C9mD/jB yV0xivJvkQIrHTYw3MnipkP7fTfeJXkzL9IUUiv6aDbqD15n64Jn2+ZAcnxWp2tEog 47LiHFNNOpwPsKR5yDl5d8m7D6lDaN5rdAP4GcjE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, syzbot+b834a6b2decad004cfa1@syzkaller.appspotmail.com, Edward Adam Davis , Paolo Abeni , "David S. Miller" , Sasha Levin Subject: [PATCH 5.10 004/286] mptcp: fix uninit-value in mptcp_incoming_options Date: Mon, 22 Jan 2024 15:55:10 -0800 Message-ID: <20240122235732.174294954@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235732.009174833@linuxfoundation.org> References: <20240122235732.009174833@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ 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 64afe71e2129..c389d7e47135 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -92,6 +92,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->dss = 1; 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; } -- 2.43.0