From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933509AbXGWBCs (ORCPT ); Sun, 22 Jul 2007 21:02:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763893AbXGWBCj (ORCPT ); Sun, 22 Jul 2007 21:02:39 -0400 Received: from emailhub.stusta.mhn.de ([141.84.69.5]:41526 "EHLO mailhub.stusta.mhn.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757675AbXGWBCj (ORCPT ); Sun, 22 Jul 2007 21:02:39 -0400 Date: Mon, 23 Jul 2007 03:02:04 +0200 From: Adrian Bunk To: jeremy@xensource.com, chrisw@sous-sol.org Cc: xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org Subject: xenbus_xs.c: use-after-free Message-ID: <20070723010204.GT26212@stusta.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org The Coverity checker spotted the following use-after-free in drivers/xen/xenbus/xenbus_xs.c: <-- snip --> ... static int process_msg(void) { ... if (IS_ERR(msg->u.watch.vec)) { kfree(msg); err = PTR_ERR(msg->u.watch.vec); ... <-- snip --> cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed