From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755904AbbLXPo2 (ORCPT ); Thu, 24 Dec 2015 10:44:28 -0500 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:51399 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752736AbbLXPmc (ORCPT ); Thu, 24 Dec 2015 10:42:32 -0500 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "David S. Miller" Date: Thu, 24 Dec 2015 15:37:42 +0000 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.2 73/77] bluetooth: Validate socket address length in sco_sock_bind(). In-Reply-To: X-SA-Exim-Connect-IP: 192.168.4.247 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2.75-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: "David S. Miller" [ Upstream commit 5233252fce714053f0151680933571a2da9cbfb4 ] Signed-off-by: David S. Miller Signed-off-by: Ben Hutchings --- net/bluetooth/sco.c | 3 +++ 1 file changed, 3 insertions(+) --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -475,6 +475,9 @@ static int sco_sock_bind(struct socket * if (!addr || addr->sa_family != AF_BLUETOOTH) return -EINVAL; + if (addr_len < sizeof(struct sockaddr_sco)) + return -EINVAL; + lock_sock(sk); if (sk->sk_state != BT_OPEN) {