Message ID | 20210305120850.351488282@linuxfoundation.org |
---|---|
State | Superseded |
Headers | show
Return-Path: <stable-owner@kernel.org> 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 C4B56C4361A for <stable@archiver.kernel.org>; Fri, 5 Mar 2021 12:43:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AA46D65023 for <stable@archiver.kernel.org>; Fri, 5 Mar 2021 12:43:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233577AbhCEMn3 (ORCPT <rfc822;stable@archiver.kernel.org>); Fri, 5 Mar 2021 07:43:29 -0500 Received: from mail.kernel.org ([198.145.29.99]:60012 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231819AbhCEMnL (ORCPT <rfc822;stable@vger.kernel.org>); Fri, 5 Mar 2021 07:43:11 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id EDEB56501F; Fri, 5 Mar 2021 12:43:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614948191; bh=rCjQLpaXFPWhsy6+gKBiTLjmhg3HwXgLQgVHzoF0dMs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0vS+707dDo/YCjpiJaEfY8EYSJD+HjCHBfeT2RzwfOfuKeD3TqfluCGVYYMsD+d95 HGFYV9foOL3A6z7s6PxrJA/j4JG4yTJcRl92RigzY1hrNFTk+bxWQOCFt4OGwB8vYY HsgX23zXI4pDLys5Ff06nnOVK4MsQOqXI3Cv0iKg= From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, Gopal Tiwari <gtiwari@redhat.com>, Marcel Holtmann <marcel@holtmann.org>, Sasha Levin <sashal@kernel.org> Subject: [PATCH 4.4 19/30] Bluetooth: Fix null pointer dereference in amp_read_loc_assoc_final_data Date: Fri, 5 Mar 2021 13:22:48 +0100 Message-Id: <20210305120850.351488282@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210305120849.381261651@linuxfoundation.org> References: <20210305120849.381261651@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <stable.vger.kernel.org> X-Mailing-List: stable@vger.kernel.org |
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diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c index e32f34189007..b01b43ab6f83 100644 --- a/net/bluetooth/amp.c +++ b/net/bluetooth/amp.c @@ -305,6 +305,9 @@ void amp_read_loc_assoc_final_data(struct hci_dev *hdev, struct hci_request req; int err = 0; + if (!mgr) + return; + cp.phy_handle = hcon->handle; cp.len_so_far = cpu_to_le16(0); cp.max_len = cpu_to_le16(hdev->amp_assoc_size);