From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs Date: Thu, 18 Mar 2021 18:45:15 +0200 Message-ID: <83sg4sfm1w.fsf@gnu.org> References: <87im5ofp3z.fsf@md5i.com> <87czvwfoys.fsf@md5i.com> <83tup8fo1j.fsf@gnu.org> <87wnu4qvfi.fsf@md5i.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="12003"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 47244@debbugs.gnu.org To: Michael Welsh Duggan Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Mar 18 18:19:23 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 1lMwIs-000328-4M for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 18 Mar 2021 18:19:22 +0100 Original-Received: from localhost ([::1]:50424 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lMwIq-0000Ua-Ta for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 18 Mar 2021 13:19:21 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36334) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lMvmc-00078i-Qq for bug-gnu-emacs@gnu.org; Thu, 18 Mar 2021 12:46:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:36338) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lMvmc-00066A-HT for bug-gnu-emacs@gnu.org; Thu, 18 Mar 2021 12:46:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lMvmc-00030U-Ep for bug-gnu-emacs@gnu.org; Thu, 18 Mar 2021 12:46:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 18 Mar 2021 16:46:02 +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=B47244.161608593111507 (code B ref 47244); Thu, 18 Mar 2021 16:46:02 +0000 Original-Received: (at 47244) by debbugs.gnu.org; 18 Mar 2021 16:45:31 +0000 Original-Received: from localhost ([127.0.0.1]:47884 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lMvm7-0002zX-A4 for submit@debbugs.gnu.org; Thu, 18 Mar 2021 12:45:31 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:43150) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lMvm5-0002zI-OM for 47244@debbugs.gnu.org; Thu, 18 Mar 2021 12:45:30 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:59073) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lMvlz-0005lY-Dm; Thu, 18 Mar 2021 12:45:24 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3675 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lMvlr-00017Y-DU; Thu, 18 Mar 2021 12:45:22 -0400 In-Reply-To: <87wnu4qvfi.fsf@md5i.com> (message from Michael Welsh Duggan on Thu, 18 Mar 2021 12:27:13 -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:202627 Archived-At: > 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?