From: Gergely Czuczy <gergely.czuczy@harmless.hu>
To: npostavs@users.sourceforge.net, Eli Zaretskii <eliz@gnu.org>
Cc: 28308@debbugs.gnu.org
Subject: bug#28308: Build failure on FreeBSD/aarch64
Date: Mon, 11 Sep 2017 09:26:20 +0200 [thread overview]
Message-ID: <aa522096-4f0d-238c-bf43-3c059a05d8dc@harmless.hu> (raw)
In-Reply-To: <87k215lqdf.fsf@users.sourceforge.net>
On 2017. 09. 11. 8:07, npostavs@users.sourceforge.net wrote:
> Eli Zaretskii <eliz@gnu.org> writes:
>
>>> From: Gergely Czuczy <gergely.czuczy@harmless.hu>
>>> 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)
next prev parent reply other threads:[~2017-09-11 7:26 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-31 16:34 bug#28308: Build failure on FreeBSD/aarch64 Gergely Czuczy
2017-08-31 16:47 ` Glenn Morris
2017-08-31 17:02 ` Gergely Czuczy
2017-09-02 3:13 ` npostavs
2017-09-04 12:32 ` Gergely Czuczy
2017-09-08 23:52 ` npostavs
2017-09-09 5:01 ` Gergely Czuczy
2017-09-09 7:07 ` Eli Zaretskii
2017-09-11 6:07 ` npostavs
2017-09-11 7:26 ` Gergely Czuczy [this message]
2017-09-11 14:45 ` Eli Zaretskii
2017-09-11 15:10 ` Gergely Czuczy
2017-09-11 15:31 ` Eli Zaretskii
2017-09-11 17:12 ` Gergely Czuczy
2017-09-11 17:17 ` Eli Zaretskii
2017-09-11 19:57 ` Gergely Czuczy
2017-09-11 20:33 ` Gergely Czuczy
2017-09-12 5:22 ` npostavs
2017-09-12 5:57 ` Gergely Czuczy
2017-09-12 14:59 ` Eli Zaretskii
2017-09-12 15:13 ` Gergely Czuczy
2017-09-20 5:51 ` Gergely Czuczy
2017-09-20 19:29 ` Noam Postavsky
2017-10-19 23:39 ` Noam Postavsky
2017-10-20 7:07 ` Eli Zaretskii
2017-10-24 18:43 ` Noam Postavsky
2017-10-31 17:31 ` Noam Postavsky
2017-10-31 20:21 ` Eli Zaretskii
2017-11-01 16:14 ` Gergely Czuczy
2017-11-01 16:51 ` Noam Postavsky
2017-11-01 18:27 ` Gergely Czuczy
2017-11-01 18:52 ` Noam Postavsky
2017-11-02 21:03 ` Gergely Czuczy
2017-11-04 23:14 ` Noam Postavsky
2017-11-05 18:10 ` Gergely Czuczy
2017-11-06 23:14 ` Noam Postavsky
2017-09-14 0:51 ` Paul Eggert
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