From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 E9AAD1D9346; Tue, 27 Jan 2026 07:11:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769497899; cv=none; b=Te2cTMK0+rYmgP6dT/We9JI+fDwfqp7R/575Ent3z+/0BM1ppY7IQICxjQXqx8gZNqZlI0KHdqiuRbNSYvdL6WM0WmTDXC761ei9DU/mhYFvBqQXKoXQtLIXORvwCp0LjtZDdHp2Pbs0xkyywMDKbvj64imKXE+rVGE7L88pv2s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769497899; c=relaxed/simple; bh=0Gfr1rwFWCkLVfSLU7RQ4F2QGghqpp1AJelz8j+FtMc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hv6g2IBrQcCXdIaMOmJld7NFH/MQIX1noZkFbXBr93cTtoU1qH4BWB1lnp69HNgDJyJN+SToEceGlowmhONoW79QUKtmQZTNCumtw79lDMWDlq+yDJYcVADPr7C5OxLfPz9L1PgR3qPAorhwLJbDoXLLM1OIUd/Qz7SRHfnQFW0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=TZ8orioz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="TZ8orioz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5F6EDC116C6; Tue, 27 Jan 2026 07:11:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1769497898; bh=0Gfr1rwFWCkLVfSLU7RQ4F2QGghqpp1AJelz8j+FtMc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TZ8orioz4j2SFqJXJuM8/QzvqywsFCSqwUN33XoGzeACMUnZRDpYARrVTzGBhKGzQ Q9LGIOXcxcZEfrpcFwY5xLQVvMPVXkViB69nB94alr+rjG6rxQsf3rzqlL0fwzBK7l 1EAf5oZl5bqMmWf+RfonCUAMkG66fkcUhI/c4qvM= Date: Tue, 27 Jan 2026 08:11:35 +0100 From: Greg KH To: Xingjing Deng Cc: srini@kernel.org, amahesh@qti.qualcomm.com, arnd@arndb.de, dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Xingjing Deng , stable@vger.kernel.org Subject: Re: [PATCH v3] misc: fastrpc: possible double-free of cctx->remote_heap Message-ID: <2026012748-unblock-vacation-70b8@gregkh> References: <20260117140959.879035-1-xjdeng@buaa.edu.cn> <2026012641-snazzy-upstate-a815@gregkh> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Tue, Jan 27, 2026 at 10:19:50AM +0800, Xingjing Deng wrote: > This issue was also identified through static program analysis and > subsequently verified via manual inspection. I believe I have > uncovered a potential risk of abnormal execution here, hence I’m > reporting this problem. Again, you need to document this fact, please read the rules for submitting patches that are found by tools. And say you have not tested this, because that means there is a much lower chance that the change is correct. thanks, greg k-h