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 8A61CC2BA19 for ; Sat, 11 Apr 2020 23:14:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 59959215A4 for ; Sat, 11 Apr 2020 23:14:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586646874; bh=yL0vixqPQqesLTulGlgyziqwc/+H2bQnh8uhuipTBfE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=0cBdtHGdzQIhLlky7wVlr4erz4F0e0AMSotDHDYPI5Wah411D700m5IJ0BcNPiBpX QeAkfPEWA8u6zXrEt8BI6zS6Kx8JcOkQx5euZrdJk8fvxy5t5GhFkPTrVIwvkPWWjR UJZao7dw5c5iq7GbqEdW4uYFSdK2nz2jlguQlwfA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729689AbgDKXOc (ORCPT ); Sat, 11 Apr 2020 19:14:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:56132 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730753AbgDKXOZ (ORCPT ); Sat, 11 Apr 2020 19:14:25 -0400 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 05B9D20769; Sat, 11 Apr 2020 23:14:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586646865; bh=yL0vixqPQqesLTulGlgyziqwc/+H2bQnh8uhuipTBfE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TBN2nY0gELuQHyR4X3VdxAITCAN/azCCajCk79/2tQOF3iQrfeK2k4KvmCWEAhwQ9 AvNkF1EtAzqaplG3KG7th2df9tsAqlmPK0lCbys88XurqnY2boE39Hq6lkcej3ZWS1 yMvMpt2yqCgVOu1oqaYi+7plrBfDhnaZJ/ddwveE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Marcel Holtmann , Johan Hedberg , Sasha Levin , linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 10/26] Bluetooth: Fix calculation of SCO handle for packet processing Date: Sat, 11 Apr 2020 19:13:57 -0400 Message-Id: <20200411231413.26911-10-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200411231413.26911-1-sashal@kernel.org> References: <20200411231413.26911-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marcel Holtmann [ Upstream commit debdedf2eb5a2d9777cabff40900772be13cd9f9 ] When processing SCO packets, the handle is wrongly assumed as 16-bit value. The actual size is 12-bits and the other 4-bits are used for packet flags. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg Signed-off-by: Sasha Levin --- net/bluetooth/hci_core.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index a70b078ceb3ca..0161bdbda71ec 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -4043,13 +4043,16 @@ static void hci_scodata_packet(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_sco_hdr *hdr = (void *) skb->data; struct hci_conn *conn; - __u16 handle; + __u16 handle, flags; skb_pull(skb, HCI_SCO_HDR_SIZE); handle = __le16_to_cpu(hdr->handle); + flags = hci_flags(handle); + handle = hci_handle(handle); - BT_DBG("%s len %d handle 0x%4.4x", hdev->name, skb->len, handle); + BT_DBG("%s len %d handle 0x%4.4x flags 0x%4.4x", hdev->name, skb->len, + handle, flags); hdev->stat.sco_rx++; -- 2.20.1