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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E181C7618A for ; Mon, 20 Mar 2023 15:04:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232164AbjCTPEX (ORCPT ); Mon, 20 Mar 2023 11:04:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232166AbjCTPEF (ORCPT ); Mon, 20 Mar 2023 11:04:05 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7AAD52917D for ; Mon, 20 Mar 2023 08:00:01 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 1C3FEB80ECC for ; Mon, 20 Mar 2023 14:59:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7DB21C433EF; Mon, 20 Mar 2023 14:59:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1679324383; bh=zRzH58ejUhK6wY3BxAR+pEpxct2xpD07IXcjBjoBI1g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MZVTuFNjug/1yrzn5YN1p9LXNg3IpBlQfSMonqLDeTwoDiGBhg5NgRZmyNsEmzonF XjDC1n9vsw57kB+Dilg/7xzAMzQkwBBdmup9eOUaZpvwvM9HYirqXe/8/AZ693XDFc ZnJEU5z+BpZxEo6BJl5e2jIB0Wczm3VwUsuhaUck= From: Greg Kroah-Hartman To: stable@vger.kernel.org, lee@kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jiri Kosina Subject: [PATCH 4.19 36/36] HID: uhid: Over-ride the default maximum data buffer value with our own Date: Mon, 20 Mar 2023 15:55:02 +0100 Message-Id: <20230320145425.591476278@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230320145424.191578432@linuxfoundation.org> References: <20230320145424.191578432@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Lee Jones commit 1c5d4221240a233df2440fe75c881465cdf8da07 upstream. The default maximum data buffer size for this interface is UHID_DATA_MAX (4k). When data buffers are being processed, ensure this value is used when ensuring the sanity, rather than a value between the user provided value and HID_MAX_BUFFER_SIZE (16k). Signed-off-by: Lee Jones Signed-off-by: Jiri Kosina Signed-off-by: Lee Jones Signed-off-by: Greg Kroah-Hartman --- drivers/hid/uhid.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/hid/uhid.c +++ b/drivers/hid/uhid.c @@ -398,6 +398,7 @@ struct hid_ll_driver uhid_hid_driver = { .parse = uhid_hid_parse, .raw_request = uhid_hid_raw_request, .output_report = uhid_hid_output_report, + .max_buffer_size = UHID_DATA_MAX, }; EXPORT_SYMBOL_GPL(uhid_hid_driver);