From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Welsh Duggan Newsgroups: gmane.emacs.bugs Subject: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs Date: Thu, 18 Mar 2021 12:54:20 -0400 Message-ID: References: <87im5ofp3z.fsf@md5i.com> <87czvwfoys.fsf@md5i.com> <83tup8fo1j.fsf@gnu.org> <87wnu4qvfi.fsf@md5i.com> <83sg4sfm1w.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="17216"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Michael Welsh Duggan , "47244@debbugs.gnu.org" <47244@debbugs.gnu.org> To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Mar 18 17:55:31 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lMvvm-0004MW-D6 for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 18 Mar 2021 17:55:30 +0100 Original-Received: from localhost ([::1]:36774 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lMvvl-0006xb-6G for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 18 Mar 2021 12:55:29 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38398) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lMvvL-0006vR-N8 for bug-gnu-emacs@gnu.org; Thu, 18 Mar 2021 12:55:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:36357) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lMvvK-00024I-Nw for bug-gnu-emacs@gnu.org; Thu, 18 Mar 2021 12:55:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lMvvK-0003Ey-Ms for bug-gnu-emacs@gnu.org; Thu, 18 Mar 2021 12:55:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Michael Welsh Duggan Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 18 Mar 2021 16:55:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47244 X-GNU-PR-Package: emacs Original-Received: via spool by 47244-submit@debbugs.gnu.org id=B47244.161608647512414 (code B ref 47244); Thu, 18 Mar 2021 16:55:02 +0000 Original-Received: (at 47244) by debbugs.gnu.org; 18 Mar 2021 16:54:35 +0000 Original-Received: from localhost ([127.0.0.1]:47902 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lMvut-0003E9-4g for submit@debbugs.gnu.org; Thu, 18 Mar 2021 12:54:35 -0400 Original-Received: from taper.sei.cmu.edu ([147.72.252.16]:48520) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lMvup-0003Ds-27 for 47244@debbugs.gnu.org; Thu, 18 Mar 2021 12:54:34 -0400 Original-Received: from korb.sei.cmu.edu (korb.sei.cmu.edu [10.64.21.30]) by taper.sei.cmu.edu (8.14.7/8.14.7) with ESMTP id 12IGsOfW001609; Thu, 18 Mar 2021 12:54:24 -0400 DKIM-Filter: OpenDKIM Filter v2.11.0 taper.sei.cmu.edu 12IGsOfW001609 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cert.org; s=yc2bmwvrj62m; t=1616086464; bh=1K+LDhxkfM+T+amSFVApXrU+nMntgkpZGTpdmOr40tc=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=XbgyE+rm25dX76tKe/oNfsUAmZmOz8ovMDwdfBwmEYAAJntCvekrwk2kJOpQqr/cC JqAkWv2OaM5ISW61+9NdgLJTjkdP2+fydlKza6nQgAsGBiyJub5KzgvyphhzBus+2h yWNilwmngutsDqBYq3Zqv/ZNhLS3E2d21m29Zkx0= Original-Received: from lx-birch.ad.sei.cmu.edu (lx-birch.ad.sei.cmu.edu [10.64.53.120]) by korb.sei.cmu.edu (8.14.7/8.14.7) with ESMTP id 12IGsKGW027331; Thu, 18 Mar 2021 12:54:20 -0400 Original-Received: from lx-birch.ad.sei.cmu.edu (localhost [127.0.0.1]) by lx-birch.ad.sei.cmu.edu (8.14.7/8.14.7) with ESMTP id 12IGsKMD031239; Thu, 18 Mar 2021 12:54:20 -0400 Original-Received: (from mwd@localhost) by lx-birch.ad.sei.cmu.edu (8.14.7/8.14.7) id 12IGsKs7031236; Thu, 18 Mar 2021 12:54:20 -0400 X-Authentication-Warning: lx-birch.ad.sei.cmu.edu: mwd set sender to mwd@cert.org using -f In-Reply-To: <83sg4sfm1w.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 18 Mar 2021 12:45:15 -0400") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:202625 Archived-At: Eli Zaretskii writes: >> From: Michael Welsh Duggan >> Cc: 47244@debbugs.gnu.org >> Date: Thu, 18 Mar 2021 12:27:13 -0400 >> >> (gdb) p current_buffer->text->beg >> $7 = (unsigned char *) 0x0 > > That explains the crash. What does this display: > > (gdb) source /path/to/emacs/src/.gdbinit > (gdb) p current_buffer->name_ > (gdb) xstring > > And, given the name of the buffer this will display, what can you tell > about that buffer? (gdb) p current_buffer->name_ $8 = XIL(0) (gdb) xstring $9 = (struct Lisp_String *) 0x0 "DEAD" -- Michael Welsh Duggan (mwd@cert.org)