Message ID | 20201219125346.486923224@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State | Superseded |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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 97200C3526E for <stable@archiver.kernel.org>; Sat, 19 Dec 2020 13:03:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7541323C1A for <stable@archiver.kernel.org>; Sat, 19 Dec 2020 13:03:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726742AbgLSNCx (ORCPT <rfc822;stable@archiver.kernel.org>); Sat, 19 Dec 2020 08:02:53 -0500 Received: from mail.kernel.org ([198.145.29.99]:45232 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727894AbgLSM6x (ORCPT <rfc822;stable@vger.kernel.org>); Sat, 19 Dec 2020 07:58:53 -0500 From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Authentication-Results: mail.kernel.org; dkim=permerror (bad message/signature format) To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, syzbot+df7dc146ebdd6435eea3@syzkaller.appspotmail.com, Takashi Iwai <tiwai@suse.de> Subject: [PATCH 5.9 37/49] ALSA: usb-audio: Fix potential out-of-bounds shift Date: Sat, 19 Dec 2020 13:58:41 +0100 Message-Id: <20201219125346.486923224@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201219125344.671832095@linuxfoundation.org> References: <20201219125344.671832095@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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--- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -40,6 +40,8 @@ static u64 parse_audio_format_i_type(str case UAC_VERSION_1: default: { struct uac_format_type_i_discrete_descriptor *fmt = _fmt; + if (format >= 64) + return 0; /* invalid format */ sample_width = fmt->bBitResolution; sample_bytes = fmt->bSubframeSize; format = 1ULL << format;