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#22148: 25.1.50; Segmentation fault when saving file Date: Sat, 12 Dec 2015 09:53:44 +0200 Message-ID: <838u506r1z.fsf@gnu.org> References: <22123.38123.366644.729826@gargle.gargle.HOWL> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1449906894 5416 80.91.229.3 (12 Dec 2015 07:54:54 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 12 Dec 2015 07:54:54 +0000 (UTC) Cc: 22148@debbugs.gnu.org To: Sujith Manoharan Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Dec 12 08:54:42 2015 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 1a7f0p-00084P-NW for geb-bug-gnu-emacs@m.gmane.org; Sat, 12 Dec 2015 08:54:39 +0100 Original-Received: from localhost ([::1]:50903 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a7f0p-0003es-5g for geb-bug-gnu-emacs@m.gmane.org; Sat, 12 Dec 2015 02:54:39 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53775) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a7f0V-0003dz-KA for bug-gnu-emacs@gnu.org; Sat, 12 Dec 2015 02:54:37 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a7f0E-0008Q8-EN for bug-gnu-emacs@gnu.org; Sat, 12 Dec 2015 02:54:19 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:35100) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a7f0E-0008Pr-84 for bug-gnu-emacs@gnu.org; Sat, 12 Dec 2015 02:54:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1a7f0E-000576-1v for bug-gnu-emacs@gnu.org; Sat, 12 Dec 2015 02:54:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 12 Dec 2015 07:54:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22148 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 22148-submit@debbugs.gnu.org id=B22148.144990682519631 (code B ref 22148); Sat, 12 Dec 2015 07:54:02 +0000 Original-Received: (at 22148) by debbugs.gnu.org; 12 Dec 2015 07:53:45 +0000 Original-Received: from localhost ([127.0.0.1]:35369 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1a7ezx-00056Z-0w for submit@debbugs.gnu.org; Sat, 12 Dec 2015 02:53:45 -0500 Original-Received: from mtaout24.012.net.il ([80.179.55.180]:35519) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1a7ezu-00056L-Vi for 22148@debbugs.gnu.org; Sat, 12 Dec 2015 02:53:43 -0500 Original-Received: from conversion-daemon.mtaout24.012.net.il by mtaout24.012.net.il (HyperSendmail v2007.08) id <0NZ800B00I5JDD00@mtaout24.012.net.il> for 22148@debbugs.gnu.org; Sat, 12 Dec 2015 09:46:23 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([84.94.185.246]) by mtaout24.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NZ80063AIXBHS60@mtaout24.012.net.il>; Sat, 12 Dec 2015 09:46:23 +0200 (IST) In-reply-to: <22123.38123.366644.729826@gargle.gargle.HOWL> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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:109884 Archived-At: > Date: Sat, 12 Dec 2015 09:00:51 +0530 > From: Sujith Manoharan > > Emacs crashes when saving a .org file. It happened a few times > when I would just open it, change a line and save it. Is it possible for you to send that .org file (off-list), so I could try debugging this on my system? > I got the backtrace once in gdb, I've attached it below. The crash > doesn't happen consistently, sometimes opening a mbox crashes too. > I am using the master branch. We'd appreciate if you could switch to tracking the emacs-25 branch instead. > Program received signal SIGSEGV, Segmentation fault. > 0x000000000047c38b in encode_char (charset=charset@entry=0xb2fd88 , c=c@entry=173) at charset.c:1760 > 1760 code_index = GET_TEMP_CHARSET_WORK_ENCODER (c); What are the values of the following variables: temp_charset_work temp_charset_work->table temp_charset_work->table.encoder Also, is it possible to reproduce this in an unoptimized build? > (gdb) bt > #0 0x000000000047c38b in encode_char (charset=charset@entry=0xb2fd88 , c=c@entry=173) at charset.c:1760 > #1 0x000000000048772b in char_encodable_p (c=c@entry=173, attrs=) at coding.c:8941 > #2 0x0000000000490088 in Ffind_coding_systems_region_internal (start=6, end=, exclude=) at coding.c:9039 Do you have any idea where in that file is that character whose codepoint is 173? Seems like it could be at buffer position 6 or near that. If that's true, can you tell what character is there? Thanks.