From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-m49206.qiye.163.com (mail-m49206.qiye.163.com [45.254.49.206]) (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 546F528726D for ; Mon, 26 Jan 2026 03:24:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.254.49.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769397846; cv=none; b=uwnm4/VlwDD/597Co8NOc8h6q+NzbVF82u+gQ9tIkFwxgxuSUI+jsDA8VrmUuceivrD8KPW6YM7S/YP8oW/xQLzcb3CcMm8ls7Y8vQyJPAnIxqkAc+pqpg6f9VzjZ7vo9yM3IJs13kKCNMXjXUDYuq4rUoZPligdkkldK0OqnQo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769397846; c=relaxed/simple; bh=+YhrV6H1UsA5iQy9WGUllzgAXTqE+M6LgIDMW9R0Qjc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=A+kv5vQmXV2my/WhN2shdLM2jSobLVmsH1xoEVUaw98Yt2Y2yrBZGZHTcSKmO/c/fbDOro0pUdxuBwnZ8JIJoBto+0wYw/pGp+BARxS9wz410qQYY6eQW9IhX+0qa9My4ZpiYt9nCzlBAKlciigvhxLwD588H+s+gh2LOUlMOaM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com; spf=pass smtp.mailfrom=rock-chips.com; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b=UM+MTPz9; arc=none smtp.client-ip=45.254.49.206 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b="UM+MTPz9" Received: from [172.16.12.51] (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 31ed77841; Mon, 26 Jan 2026 11:23:53 +0800 (GMT+08:00) Message-ID: <9eb9948d-a70e-4a7e-a918-6aa4f2cb55af@rock-chips.com> Date: Mon, 26 Jan 2026 11:23:52 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/6] Rockchip DRM use-after-free & null-ptr-deref fixes To: Cristian Ciocaltea Cc: Sandy Huang , =?UTF-8?Q?Heiko_St=C3=BCbner?= , Andy Yan , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Dmitry Baryshkov , Dmitry Baryshkov , kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260122-drm-rk-fixes-v1-0-3942f185750e@collabora.com> <8e770288-f29b-4e72-b5a6-e3cfd77b87fb@rock-chips.com> <8bdb6ea8-9434-4fa6-87ad-4c2f2697a3e5@collabora.com> Content-Language: en-US From: Chaoyi Chen In-Reply-To: <8bdb6ea8-9434-4fa6-87ad-4c2f2697a3e5@collabora.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-HM-Tid: 0a9bf85450b603abkunme9a84376614288 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGk9OHlYfSB4eHUpNS0pJGh1WFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSU9PT0 hVSktLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=UM+MTPz9yNAZYB7c/Bi4dQcZawrfWa+YLlHPZmONf3Q6uvuCjkMp12SXUuMKbA/1ERs6TJlMOraoE8+5Kc7E2cDbSaUrGrcg5Y31NbBxRDY40e2roQ70FtNJRKzpGqKpqUXB/bJJRDmDsk/wPizOz8prl4m/5KCNTh8lRg2Wadg=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=CPgZyTG1nb2O92WPWBJ59rytiCMrF1zajhRryF34s0c=; h=date:mime-version:subject:message-id:from; Hi Cristian, On 1/24/2026 7:18 AM, Cristian Ciocaltea wrote: > Do you have any specific usecase in mind? > > The tests performed so far were mostly focused on reloading the rockchipdrm > module, which is how I actually noticed those issues. Ah, if that's the case, then there's no problem. Thank you! -- Best, Chaoyi