Subject: bug#28181: closed (Re: bug#28181: 26.0.50; emacs master segfaults on make-network-process, embedded device nokia n900)

From: [email-masked] (GNU bug Tracking System)
Date: Fri, 25 Aug 2017 13:23:02 +0000

Your bug report

#28181: 26.0.50; emacs master segfaults on make-network-process, embedded device nokia n900

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to [email-masked].

-- 
28181: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=28181
GNU Bug Tracking System
Contact [email-masked] with problems

Subject: Re: bug#28181: 26.0.50; emacs master segfaults on make-network-process, embedded device nokia n900
From: Eli Zaretskii <[email-masked]>
To: andrés ramírez <[email-masked]>
Cc: [email-masked]
Date: Fri, 25 Aug 2017 16:21:30 +0300
List-Id: <debbugs-submit.debbugs.gnu.org>

> From: andrés ramírez <[email-masked]>
> Cc: [email-masked]
> Date: Fri, 25 Aug 2017 07:10:57 -0600
> 
> talking about closing the bug:
> On my side it is solved. If You need more info let me know. If that not
> is the case feel free of closing it.

Thanks, closing.

Subject: 26.0.50; emacs master segfaults on make-network-process, embedded device nokia n900
From: [email-masked]
To: [email-masked]
Date: Tue, 22 Aug 2017 01:00:28 +0000
List-Id: <debbugs-submit.debbugs.gnu.org>

The problem is with emacs master.

"emacs -Q" and M-x eww "f1aldia.com" segfaults emacs.

the segfault happens on make-network-process (process.c) 

The same works fine on emacs-25.2 on the same device

--8<---------------cut here---------------start------------->8---
Program received signal SIGSEGV, Segmentation fault.
[Switching to LWP 27444]
0xb6319438 in __res_randomid () from /lib/libc.so.6
(gdb) bt full
#0  0xb6319438 in __res_randomid () from /lib/libc.so.6
No symbol table info available.
#1  0xb631a08c in ?? () from /lib/libc.so.6
No symbol table info available.
#2  0xb631a1d8 in __res_ninit () from /lib/libc.so.6
No symbol table info available.
#3  0xb631b058 in __res_maybe_init () from /lib/libc.so.6
No symbol table info available.
#4  0xb62fac54 in ?? () from /lib/libc.so.6
No symbol table info available.
#5  0xb62fb844 in getaddrinfo () from /lib/libc.so.6
No symbol table info available.
#6  0xb640fdfc in ?? () from /lib/libanl.so.1
No symbol table info available.
#7  0xb640fdfc in ?? () from /lib/libanl.so.1
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb) xbacktrace
Undefined command: "xbacktrace".  Try "help".
--8<---------------cut here---------------end--------------->8---

The embedded device libc version
--8<---------------cut here---------------start------------->8---
dpkg -l | grep libc
ii  libc6          2.5.1-1eglibc2 GNU C Library: Shared libraries and Timezone
ii  libc6-dev      2.5.1-1eglibc2 GNU C Library: Development Libraries and Hea
--8<---------------cut here---------------end--------------->8---

I Could not replicate the issue on armhf and on x86. Just on this device.

In GNU Emacs 26.0.50 (build 1, arm-unknown-linux-gnueabi, GTK+ Version 2.14.7)
 of 2017-06-24 built on chulpaca
System Description:	Debian GNU/Linux testing/unstable

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.

Configured using:
 'configure --build arm-linux-gnueabi --prefix=/usr
 '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info'
 --without-gconf --with-xft --without-xwidgets --with-xpm=no
 --with-gif=no --without-selinux --with-gnutls=no --disable-acl
 'CFLAGS=-s -O2' LDFLAGS=-Wl,-z,defs CPPFLAGS='

Configured features:
JPEG TIFF PNG SOUND LIBXML2 FREETYPE XFT ZLIB TOOLKIT_SCROLL_BARS GTK2
X11

Important settings:
  value of $LC_ALL: C
  locale-coding-system: nil

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message subr-x puny seq byte-opt gv
bytecomp byte-compile cconv cl-loaddefs cl-lib dired dired-loaddefs
format-spec rfc822 mml easymenu mml-sec password-cache epa derived epg
epg-config gnus-util rmail rmail-loaddefs mm-decode mm-bodies mm-encode
mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047
rfc2045 ietf-drums mm-util mail-prsvr mail-utils term/xterm xterm
time-date disp-table mule-util tooltip eldoc electric uniquify
ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win
term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list replace newcomment text-mode elisp-mode lisp-mode
prog-mode register page menu-bar rfn-eshadow isearch timer select
scroll-bar mouse jit-lock font-lock syntax facemenu font-core
term/tty-colors frame cl-generic cham georgian utf-8-lang misc-lang
vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932
hebrew greek romanian slovak czech european ethiopic indian cyrillic
chinese composite charscript charprop case-table epa-hook jka-cmpr-hook
help simple abbrev obarray minibuffer cl-preloaded nadvice loaddefs
button faces cus-face macroexp files text-properties overlay sha1 md5
base64 format env code-pages mule custom widget hashtable-print-readable
backquote dynamic-setting font-render-setting move-toolbar gtk x-toolkit
x multi-tty make-network-process emacs)

Memory information:
((conses 8 97061 6799)
 (symbols 24 20026 1)
 (miscs 20 33 143)
 (strings 16 17315 3979)
 (string-bytes 1 557669)
 (vectors 8 11862)
 (vector-slots 4 440670 3882)
 (floats 8 52 312)
 (intervals 28 209 241)
 (buffers 520 11)
 (heap 1024 11720 349))