From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Gergely Czuczy Newsgroups: gmane.emacs.bugs Subject: bug#28308: Build failure on FreeBSD/aarch64 Date: Mon, 11 Sep 2017 09:26:20 +0200 Message-ID: References: <2e5f41f7-e005-c28f-c04a-79953a804f71@harmless.hu> <8760d17pyj.fsf@users.sourceforge.net> <9ae1840f-9056-8771-43fa-b27bbd2b1bd3@harmless.hu> <87k218g33g.fsf@users.sourceforge.net> <2fbe77fe-1258-cef2-32e2-f741da514151@harmless.hu> <83y3powdsv.fsf@gnu.org> <87k215lqdf.fsf@users.sourceforge.net> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-Trace: blaine.gmane.org 1505114850 19475 195.159.176.226 (11 Sep 2017 07:27:30 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 11 Sep 2017 07:27:30 +0000 (UTC) User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 Cc: 28308@debbugs.gnu.org To: npostavs@users.sourceforge.net, Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Sep 11 09:27:24 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1drJ7f-00048R-80 for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 11 Sep 2017 07:26:19 +0000 In-Reply-To: <87k215lqdf.fsf@users.sourceforge.net> Content-Language: en-US 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" Xref: news.gmane.org gmane.emacs.bugs:136768 Archived-At: On 2017. 09. 11. 8:07, npostavs@users.sourceforge.net wrote: > Eli Zaretskii writes: > >>> From: Gergely Czuczy >>> Date: Sat, 9 Sep 2017 07:01:20 +0200 >>> Cc: 28308@debbugs.gnu.org >>> >>> * thread #1, name = 'bootstrap-emacs', stop reason = signal SIGSEGV: >>> invalid address (fault address: 0x41aef578) >>>   * frame #0: 0x0000000000228460 >>> bootstrap-emacs`xnrealloc(pa=0x0000000000000000, nitems=0, >>> item_size=1101985151) at alloc.c:939 >>>     frame #1: 0x0000000000228204 >>> bootstrap-emacs`xnrealloc(pa=0x000000000019ae38, nitems=42949672960, >>> item_size=281474976703896) at alloc.c:939 >>>     frame #2: 0x000000000022e208 >>> bootstrap-emacs`xpalloc(pa=0x0000000000000000, >>> nitems=0x0000000041aef57f, nitems_incr_min=1683000, >>> nitems_max=42949672960, item_size=281474976703896) at alloc.c:0 >>>     frame #3: 0x0000000000168214 >>> bootstrap-emacs`delete_tty(terminal=0xbc7603df25a071f3) at term.c:4463 >>>     frame #4: 0x0000000000040190 bootstrap-emacs`__start + 376 >>>     frame #5: 0x0000000040390018 ld-elf.so.1`.rtld_start at rtld_start.S:41 >>> (lldb) >> I don't understand how come xpalloc got called in this context. >> delete_tty on line 4463 of term,c calls delete_terminal, which only >> calls xfree. It doesn't allocate any memory (of course), let alone >> with semi-bogus arguments as shown in this backtrace. > Frame #2 "at alloc.c:0" seems a bit fishy too. Stack corruption? Or is > it possible optimizations are interfering with the debug info? Gergely, > could you try rebuiding with -O0 in addition to -g? I've rebuilt it with CFLAGS="-O0 -g", but it seems to be the same in this regards: root@build-pine64:/usr/ports/editors/emacs-devel# cd /usr/ports/editors/emacs-devel/work/emacs-f44184f/lisp root@build-pine64:/usr/ports/editors/emacs-devel/work/emacs-f44184f/lisp# EMACSLOADPATH= lldb -- '../src/bootstrap-emacs' -batch --no-site-file --no-site-lisp --eval '(setq load-prefer-newer t)' -f batch-byte-compile emacs-lisp/macroexp.el (lldb) target create "../src/bootstrap-emacs" Current executable set to '../src/bootstrap-emacs' (aarch64). (lldb) settings set -- target.run-args  "-batch" "--no-site-file" "--no-site-lisp" "--eval" "(setq load-prefer-newer t)" "-f" "batch-byte-compile" "emacs-lisp/macroexp.el" (lldb) r Process 88583 launching Process 88583 launched: '../src/bootstrap-emacs' (aarch64) Process 88583 stopped * thread #1, name = 'bootstrap-emacs', stop reason = signal SIGSEGV: invalid address (fault address: 0x41b17978)     frame #0: 0x0000000000228460 bootstrap-emacs`xnrealloc(pa=0x0000000000000000, nitems=0, item_size=1102150015) at alloc.c:939    936  {    937    eassert (0 <= nitems && 0 < item_size);    938    ptrdiff_t nbytes; -> 939    if (INT_MULTIPLY_WRAPV (nitems, item_size, &nbytes) || SIZE_MAX < nbytes)    940      memory_full (SIZE_MAX);    941    return xrealloc (pa, nbytes);    942  } (lldb) bt * thread #1, name = 'bootstrap-emacs', stop reason = signal SIGSEGV: invalid address (fault address: 0x41b17978)   * frame #0: 0x0000000000228460 bootstrap-emacs`xnrealloc(pa=0x0000000000000000, nitems=0, item_size=1102150015) at alloc.c:939     frame #1: 0x0000000000228204 bootstrap-emacs`xnrealloc(pa=0x000000000019ae38, nitems=42949672960, item_size=281474976703896) at alloc.c:939     frame #2: 0x000000000022e208 bootstrap-emacs`xpalloc(pa=0x0000000000000000, nitems=0x0000000041b1797f, nitems_incr_min=1683000, nitems_max=42949672960, item_size=281474976703896) at alloc.c:0     frame #3: 0x0000000000168214 bootstrap-emacs`delete_tty(terminal=0x3276551740f23ac5) at term.c:4463     frame #4: 0x0000000000040190 bootstrap-emacs`__start + 376     frame #5: 0x0000000040390018 ld-elf.so.1`.rtld_start at rtld_start.S:41 (lldb)