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[2620:137:e000::1:20]) by mx.google.com with ESMTP id p36-20020a056402502400b004615bea1d62si10059371eda.472.2022.11.21.13.27.27; Mon, 21 Nov 2022 13:27:50 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=ldy672Tj; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230236AbiKUVO0 (ORCPT + 91 others); Mon, 21 Nov 2022 16:14:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229482AbiKUVOZ (ORCPT ); Mon, 21 Nov 2022 16:14:25 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6819D1B7A6; Mon, 21 Nov 2022 13:14:24 -0800 (PST) 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 0F389B81626; Mon, 21 Nov 2022 21:14:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0754FC433C1; Mon, 21 Nov 2022 21:14:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669065261; bh=joUmK9IVGh+nke5W6ci9J36oOowc8GoGYbGdGWzwDJ4=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=ldy672TjeQEgRX6Y0gKoZK7TXFKaj/3Rpm75glNNUgXTqdguLq7jEUDtvzmnocwuC fyfmLYWYzIUepqRpLED1oQ3kPYXxQYW5xFCOqjoveM90+RncL0RxCe8BllGte3jCdH IFHOZP/gmqyNGIiFv8bcfO3OzAEbbil2j/o3niOyOvM+1D/ZV4Flurrp7lOG3Jjn2J EEF5lxBDhCBZXMTMg734qUAuRO5IeRIQfO/hqNE0KdtlZzGV5Mb60pwvJXD2L0g0B6 WXmLYIt1Gj+GupRqArKalIM49Eqlp4VD14UT+l9u+uDnE0k8co7sOR2Q1ANZKs13pD Zt2MINEXzN3tw== Date: Mon, 21 Nov 2022 22:14:19 +0100 (CET) From: Jiri Kosina To: Marcus Folkesson cc: Jonathan Cameron , Srinivas Pandruvada , Benjamin Tissoires , linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Jonathan Cameron Subject: Re: [PATCH v2] HID: hid-sensor-custom: set fixed size for custom attributes In-Reply-To: <20221117121326.5621-1-marcus.folkesson@gmail.com> Message-ID: References: <20221117121326.5621-1-marcus.folkesson@gmail.com> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 17 Nov 2022, Marcus Folkesson wrote: > This is no bugfix (so no Fixes: tag is necessary) as it is > taken care of in hid_sensor_custom_add_attributes(). > > The motivation for this patch is that: > hid_sensor_custom_field.attr_name and > hid_sensor_custom_field.attrs > has the size of HID_CUSTOM_TOTAL_ATTRS and used in same context. > > We compare against HID_CUSTOM_TOTAL_ATTRS when > looping through hid_custom_attrs. > > We will silent the smatch error: > hid_sensor_custom_add_attributes() error: buffer overflow > 'hid_custom_attrs' 8 <= 10 > > Signed-off-by: Marcus Folkesson > Acked-by: Jonathan Cameron Applied to hid.git#for-6.2/sensor. Thanks, -- Jiri Kosina SUSE Labs