From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dan Nicolaescu Newsgroups: gmane.emacs.bugs Subject: bug#9901: xg_win_to_widget uninitialized access Date: Fri, 28 Oct 2011 21:59:02 -0400 Message-ID: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1319853623 5545 80.91.229.12 (29 Oct 2011 02:00:23 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sat, 29 Oct 2011 02:00:23 +0000 (UTC) To: 9901@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Oct 29 04:00:17 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RJyDV-0007dq-Hl for geb-bug-gnu-emacs@m.gmane.org; Sat, 29 Oct 2011 04:00:13 +0200 Original-Received: from localhost ([::1]:46606 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RJyDU-0005nW-Ap for geb-bug-gnu-emacs@m.gmane.org; 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Fri, 28 Oct 2011 21:59:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RJyCM-0005zj-Ca for bug-gnu-emacs@gnu.org; Fri, 28 Oct 2011 21:59:03 -0400 Original-Received: from fencepost.gnu.org ([140.186.70.10]:44365) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RJyCM-0005zf-BB for bug-gnu-emacs@gnu.org; Fri, 28 Oct 2011 21:59:02 -0400 Original-Received: from dann by fencepost.gnu.org with local (Exim 4.71) (envelope-from ) id 1RJyCM-0007Yh-7H for bug-gnu-emacs@gnu.org; Fri, 28 Oct 2011 21:59:02 -0400 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Fri, 28 Oct 2011 22:02:02 -0400 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:53270 Archived-At: valgrind gives a warning for an uninitialized access in xg_win_to_widget for the gtk_get_event_widget call. if (gdkwin) { GdkEvent event; event.any.window = gdkwin; gwdesc = gtk_get_event_widget (&event); } gtk_get_event_widget is (in gtk3): GtkWidget* gtk_get_event_widget (GdkEvent *event) { GtkWidget *widget; gpointer widget_ptr; widget = NULL; if (event && event->any.window && (event->type == GDK_DESTROY || !gdk_window_is_destroyed (event->any.window))) { gdk_window_get_user_data (event->any.window, &widget_ptr); widget = widget_ptr; } return widget; } so indeed event->type is uninitialized.