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 51D62C7618D for ; Mon, 20 Mar 2023 13:07:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230163AbjCTNHx (ORCPT ); Mon, 20 Mar 2023 09:07:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57334 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231453AbjCTNHw (ORCPT ); Mon, 20 Mar 2023 09:07:52 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA8631E9DC for ; Mon, 20 Mar 2023 06:07:50 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 7A969614E1 for ; Mon, 20 Mar 2023 13:07:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E0B9DC433D2; Mon, 20 Mar 2023 13:07:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679317669; bh=p2pewpzcztSUrqiSKmn1uWH3cobl4oMrZjoO8haPdpM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pBGTSauEaneDeDz6ukRgQ2tZhlYsiDs5AYyxlIjhG95PVFMDUm+YaPNoVGYD6s9YS 9ak5tNbzXqzVnP49aXLQirS7W5EpxjyCJNWR2fo40N4ikrhvqVc75RXVlzbpiG5Qdf YE+M0L/kA2AmvnqKzL/AsPoduLZDzyxtnPNxurtgqa/3yrBPQT5UXcPya+FJXzZ0mP ouLNny8SPttz8XeJqaL1WKPbUTCn0PotFo/H3OAsPCAaXDmR2cjg+4BtaDDQWd8uDI T9SpBgkM6JlAtGUYUSXZdfr1WbaWiHjhwvMV6jdS9JRD5ANZo5+ColowzNxRXysryG OQfJ70TXJHv+A== From: Lee Jones To: lee@kernel.org Cc: stable@vger.kernel.org, Jiri Kosina , Greg Kroah-Hartman Subject: [PATCH v5.4.y 2/2] HID: uhid: Over-ride the default maximum data buffer value with our own Date: Mon, 20 Mar 2023 13:07:41 +0000 Message-Id: <20230320130741.2770940-2-lee@kernel.org> X-Mailer: git-send-email 2.40.0.rc1.284.g88254d51c5-goog In-Reply-To: <20230320130741.2770940-1-lee@kernel.org> References: <20230320130741.2770940-1-lee@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 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: Greg Kroah-Hartman Signed-off-by: Lee Jones --- drivers/hid/uhid.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c index fc06d8bb42e0f..ba0ca652b9dab 100644 --- a/drivers/hid/uhid.c +++ b/drivers/hid/uhid.c @@ -395,6 +395,7 @@ 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); -- 2.40.0.rc1.284.g88254d51c5-goog