From mboxrd@z Thu Jan  1 00:00:00 1970
From: dan.carpenter@oracle.com (Dan Carpenter)
Date: Mon, 19 Aug 2019 10:39:58 +0300
Subject: [RFC PATCH 08/15] drivers/acrn: add VM memory management for
 ACRN char device
In-Reply-To: <8b909c22-3873-2b5d-4845-1fee1a5d81ce@intel.com>
References: <1565922356-4488-1-git-send-email-yakui.zhao@intel.com>
 <1565922356-4488-9-git-send-email-yakui.zhao@intel.com>
 <20190816124757.GW1974@kadam>
 <8b909c22-3873-2b5d-4845-1fee1a5d81ce@intel.com>
Message-ID: <20190819073958.GC4451@kadam>
List-Id: Linux Driver Project Developer List
 <driverdev-devel.linuxdriverproject.org>

On Mon, Aug 19, 2019@01:32:54PM +0800, Zhao, Yakui wrote:
> In fact as this driver is mainly used for embedded IOT usage, it doesn't
> handle the complex cleanup when such error is encountered. Instead the clean
> up is handled in free_guest_vm.

A use after free here seems like a potential security problem.  Security
matters for IoT...  :(

regards,
dan carpenter