From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#9990: valgrind warning in add_row_entry Date: Tue, 15 Nov 2011 19:44:45 +0200 Message-ID: <83bosde0vm.fsf@gnu.org> References: <83k47ailf0.fsf@gnu.org> <83zkg2fzgt.fsf@gnu.org> <83vcqqfy5h.fsf@gnu.org> <83k475fsxp.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: dough.gmane.org 1321379258 9857 80.91.229.12 (15 Nov 2011 17:47:38 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 15 Nov 2011 17:47:38 +0000 (UTC) Cc: 9990@debbugs.gnu.org To: Dan Nicolaescu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Nov 15 18:47:32 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 1RQN6a-0003J4-M5 for geb-bug-gnu-emacs@m.gmane.org; Tue, 15 Nov 2011 18:47:32 +0100 Original-Received: from localhost ([::1]:38345 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RQN6a-00007W-BN for geb-bug-gnu-emacs@m.gmane.org; Tue, 15 Nov 2011 12:47:32 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]:36883) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RQN6U-00004u-5Z for bug-gnu-emacs@gnu.org; Tue, 15 Nov 2011 12:47:29 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RQN6Q-00008Q-2i for bug-gnu-emacs@gnu.org; Tue, 15 Nov 2011 12:47:26 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:49187) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RQN6Q-00008M-18 for bug-gnu-emacs@gnu.org; Tue, 15 Nov 2011 12:47:22 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1RQN74-0006C7-6l for bug-gnu-emacs@gnu.org; Tue, 15 Nov 2011 12:48:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 15 Nov 2011 17:48:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 9990 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 9990-submit@debbugs.gnu.org id=B9990.132137926523735 (code B ref 9990); Tue, 15 Nov 2011 17:48:02 +0000 Original-Received: (at 9990) by debbugs.gnu.org; 15 Nov 2011 17:47:45 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RQN6m-0006Al-Hr for submit@debbugs.gnu.org; Tue, 15 Nov 2011 12:47:44 -0500 Original-Received: from mtaout22.012.net.il ([80.179.55.172]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RQN6j-0006A9-C8 for 9990@debbugs.gnu.org; Tue, 15 Nov 2011 12:47:42 -0500 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0LUP00L00QL2Z200@a-mtaout22.012.net.il> for 9990@debbugs.gnu.org; Tue, 15 Nov 2011 19:46:39 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([77.124.184.15]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0LUP00LHVQPQNG40@a-mtaout22.012.net.il>; Tue, 15 Nov 2011 19:46:38 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Tue, 15 Nov 2011 12:48:02 -0500 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:53936 Archived-At: > From: Dan Nicolaescu > Cc: 9990@debbugs.gnu.org > Date: Tue, 15 Nov 2011 11:58:50 -0500 > > > I added a function that verifies the hash value of glyph rows before > > it is used in row_equal_p, and also in adjust_glyph_matrix, where the > > offending reallocation takes place. I cannot trigger the xasserts > > that use this function when I use "C-h H". Can you? > > No, I cannot. > > > If the hash values are always correct where they are used, I guess > > that excludes the possibility that we use an uninitialized value, > > right? > > I even added an xassert (verify_row_hash (row)) in add_row_entry, and > it does not trigger. Strange... I have a feeling I didn't interpret the valgrind diagnostics correctly. But I don't see any alternative interpretation that would make sense.