From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from canpmsgout08.his.huawei.com (canpmsgout08.his.huawei.com [113.46.200.223]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DAFF52FE585 for ; Mon, 1 Dec 2025 09:25:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.223 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764581135; cv=none; b=VljKsQWNELGXc6N3zUPQ1FPwhPiAAr2C/EorOfSNfUVMhJkToAi7hqCvRWAEGarAElxeYb3TYvHZJwSCMfhjYbmbEUMVGPgc7j165Gptxzef5rPyDP+GANC9yuR07giG2aczIVFM6HaTa7+81Wk32Ijl41a0dwIoGEpHMkpsG58= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764581135; c=relaxed/simple; bh=ydTOmHPWY7Ybqezzk4k+0xHYKdDfJw0xqGof99RGWG8=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=gYI8BfvGm84wsukFKFRxkbAZIpJVHCVH/dBtzt6eT8yla3DDjVTVAl52R+E8TvNSiNDNQ8vlJHs7YOu65iuL0QfJ1m5uvBAqn6MHkYZmzGT45VJrx8+Ux/ua8GNGjc6+WBqJ8+XZrQH0Rd9BiAkDCoRo8OGJ7//Au+wNzgYmjU8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b=wIoSGk7I; arc=none smtp.client-ip=113.46.200.223 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b="wIoSGk7I" dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=70DyG3siVbXyJAmKkksFDasRdSXuYweryE3rvQYDiDw=; b=wIoSGk7I6j1eQMnEVlC2nFVDyEs/XaVDcO8SjWPUSfDJiNHZehJVGeVVMQ7rHtIxKrFZhGlas mPE1l2qF2FgE6iKIP6thTmWVksBXy71NvI3vCQLx+vR7XnOWDpA8AtOlWes0IGMoDdylv/y1gqr N9jc8tJ4qaFdlFoNedRhHmQ= Received: from mail.maildlp.com (unknown [172.19.88.163]) by canpmsgout08.his.huawei.com (SkyGuard) with ESMTPS id 4dKdk74bpNzmV73; Mon, 1 Dec 2025 17:23:27 +0800 (CST) Received: from kwepemh100007.china.huawei.com (unknown [7.202.181.92]) by mail.maildlp.com (Postfix) with ESMTPS id B8BC51800CE; Mon, 1 Dec 2025 17:25:18 +0800 (CST) Received: from [10.67.111.31] (10.67.111.31) by kwepemh100007.china.huawei.com (7.202.181.92) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 1 Dec 2025 17:25:18 +0800 Message-ID: <224e4e5b-14ae-411c-ad6c-f73c3b946ff8@huawei.com> Date: Mon, 1 Dec 2025 17:25:17 +0800 Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH stable] fbdev: Fix out-of-bounds issue in sys_fillrect() To: Helge Deller CC: , , Lu Jialin References: <20251112073207.1731125-1-gubowen5@huawei.com> <148a116a-b893-4e91-8573-1eebc2bb5c0e@gmx.de> Content-Language: en-US From: Gu Bowen In-Reply-To: <148a116a-b893-4e91-8573-1eebc2bb5c0e@gmx.de> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: kwepems200002.china.huawei.com (7.221.188.68) To kwepemh100007.china.huawei.com (7.202.181.92) Hi, On 11/15/2025 3:21 AM, Helge Deller wrote: > > That patch does not apply to git head. > Can you try to reproduce with git head? > fbdev has already been refactored by commit eabb03293087 ("fbdev: Refactoring the fbcon packed pixel drawing routines") on v6.15-rc1, so this issue no longer exists in the mainline version. Similar question has occurred in the past: https://syzkaller.appspot.com/bug?extid=66bde8e1e4161d4b2cca After the refactoring patch was merged, this issue did not reappear, but it still exists in the stable version. BR, Guber