From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.bugs Subject: bug#11442: dbus uses Emacs integer as pointer, possible core dump Date: Wed, 09 May 2012 23:19:29 +0200 Message-ID: <87mx5hqcgu.fsf@gmx.de> References: <4FAA8B59.8050207@cs.ucla.edu> <87y5p1l63u.fsf@gmx.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1336598395 10753 80.91.229.3 (9 May 2012 21:19:55 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 9 May 2012 21:19:55 +0000 (UTC) Cc: 11442@debbugs.gnu.org, Paul Eggert To: Andreas Schwab Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed May 09 23:19:54 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1SSEIb-0001lN-Df for geb-bug-gnu-emacs@m.gmane.org; Wed, 09 May 2012 23:19:53 +0200 Original-Received: from localhost ([::1]:57945 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SSEIa-0003rX-Mu for geb-bug-gnu-emacs@m.gmane.org; Wed, 09 May 2012 17:19:52 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:56895) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SSEIY-0003rR-3Y for bug-gnu-emacs@gnu.org; Wed, 09 May 2012 17:19:51 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SSEIW-0000BH-AH for bug-gnu-emacs@gnu.org; Wed, 09 May 2012 17:19:49 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:42614) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SSEIW-0000Ag-6x for bug-gnu-emacs@gnu.org; Wed, 09 May 2012 17:19:48 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1SSEKf-0001kj-N4 for bug-gnu-emacs@gnu.org; Wed, 09 May 2012 17:22:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Michael Albinus Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 09 May 2012 21:22:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 11442 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 11442-submit@debbugs.gnu.org id=B11442.13365985166726 (code B ref 11442); Wed, 09 May 2012 21:22:01 +0000 Original-Received: (at 11442) by debbugs.gnu.org; 9 May 2012 21:21:56 +0000 Original-Received: from localhost ([127.0.0.1]:43648 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SSEKZ-0001kQ-C6 for submit@debbugs.gnu.org; Wed, 09 May 2012 17:21:56 -0400 Original-Received: from mailout-de.gmx.net ([213.165.64.23]:39310) by debbugs.gnu.org with smtp (Exim 4.72) (envelope-from ) id 1SSEKX-0001kC-Fe for 11442@debbugs.gnu.org; Wed, 09 May 2012 17:21:54 -0400 Original-Received: (qmail invoked by alias); 09 May 2012 21:19:32 -0000 Original-Received: from p57BB9429.dip0.t-ipconnect.de (EHLO detlef.gmx.de) [87.187.148.41] by mail.gmx.net (mp033) with SMTP; 09 May 2012 23:19:32 +0200 X-Authenticated: #3708877 X-Provags-ID: V01U2FsdGVkX1+1bpJyk4m1io9vurTMmjFXGFEy+MUYbMa4Mg8fhl f8wyJhUuLMh4s7 In-Reply-To: (Andreas Schwab's message of "Wed, 09 May 2012 17:45:19 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1.50 (gnu/linux) X-Y-GMX-Trusted: 0 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:59897 Archived-At: Andreas Schwab writes: >> In general, I agree with you. In the given case, it is just a pointer >> address which has been written in Fdbus_init_bus. No other place is >> expected to write such an address, but since it is a Lisp object, >> somebody could do by mistake. > > Why is Vdbus_registered_buses exported to lisp? Indeed, that's the question. When I wrote the new code for private buses, it was needed in dbus.el (don't remember the reason). In the final code I've committed, dbus-registered-buses isn't needed anymore on Lisp level. I've converted it to be an internal Lisp object. Paul, is this sufficient from your pov, or do we need more checks? > Andreas. Best regards, Michael.