GNU bug report logs - #15948
24.3.50; buf_charpos_to_bytepos crash

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From: Richard Stallman <rms <at> gnu.org>
To: 15948 <at> debbugs.gnu.org
Subject: bug#15948: 24.3.50; buf_charpos_to_bytepos crash
Date: Thu, 21 Nov 2013 16:27:52 -0500

I got a crash because find_newline called buf_charpos_to_bytepos with
a charpos bigger than BUF_Z.  It was in an Rmail summary buffer.
Unfortunately I spazzed and the process got destroyed.



In GNU Emacs 24.3.50.14 (mips64el-unknown-linux-gnu, GTK+ Version 2.20.1)
 of 2013-11-12 on chiefs-gnewsense
Bzr revision: 115064 monnier <at> iro.umontreal.ca-20131111180547-6k3t8pomzwp8zbtf
System Description:	gNewSense GNU/Linux 3.0 (parkes)

Configured using:
 `configure 'CFLAGS=-g -O0''

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Buffer Menu

Minor modes in effect:
  shell-dirtrack-mode: t
  gpm-mouse-mode: t
  tooltip-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
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t
  abbrev-mode: t

Recent input:
e g r e e s SPC o f SPC i n s u f f i c i e n c y RET 
o f SPC f r e e d o m . C-x C-s C-x b R TAB C-g C-x 
C-f ESC DEL e m a c s - b z r / s c / DEL DEL r c / 
c m d s . x DEL c RET C-x C-v ESC b t r u n k / RET 
C-s f i n d _ n C-x C-g ESC x r e p o r t SPC e m a 
c s SPC b u g RET C-g ESC b ESC b C-s C-w C-w C-s C-s 
C-s ESC x g r e p RET f i n d _ n e w l i n e SPC * 
. c RET C-x o C-x 1 C-u C-u C-n C-n C-n C-n C-n C-n 
RET C-x 1 C-v C-v C-v C-v C-v ESC C-e C-x C-f C-g ESC 
C-a ESC C-a ESC C-a C-x C-f b u f f e r . h RET C-v 
C-v C-v C-v C-v C-v C-v C-v C-v C-v C-u C-u C-n C-u 
C-n C-n C-n C-n C-f C-f C-f C-@ ESC f ESC f ESC f ESC 
f ESC w ESC x g r e p RET C-y SPC * . c RET C-x o C-x 
C-g C-v C-u C-n RET C-x 1 C-@ ESC C-f ESC w C-u C-x 
m C-g ESC x r e n SPC b u f RET C-g ESC x r e n SPC 
u n RET C-x C-b C-x o C-g ESC x r e p o r t SPC e m 
a s SPC DEL c s SPC b u g RET

Recent messages:
Mark saved where search started
Grep finished (matches found)
Mark set [2 times]
Quit
Mark set [2 times]
Grep finished (matches found)
C-x C-g is undefined
Mark set [2 times]
Auto save file for draft message exists; consider M-x mail-recover
Quit [3 times]

Load-path shadows:
/home/rms/emacs-bzr/trunk/lisp/net/shr-color hides /home/rms/emacs-bzr/trunk/lisp/gnus/shr-color
/home/rms/emacs-bzr/trunk/lisp/net/shr hides /home/rms/emacs-bzr/trunk/lisp/gnus/shr

Features:
(shadow mule-util emacsbug vc-bzr cc-langs cl cl-loaddefs cl-lib
cc-mode cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align
cc-engine cc-vars cc-defs rmailout grep compile shell pcomplete comint
ansi-color ring misearch multi-isearch dabbrev quail help-mode
mailalias qp rmailmm message sendmail format-spec rfc822 mml easymenu
mml-sec mm-decode mm-bodies mm-encode mailabbrev gmm-utils mailheader
mail-parse rfc2231 dired t-mouse finder-inf package rmailedit rmail
rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils time-date
paren cus-start cus-load advice help-fns tooltip ediff-hook vc-hooks
lisp-float-type mwheel x-win x-dnd tool-bar dnd fontset image
regexp-opt fringe tabulated-list newcomment lisp-mode prog-mode
register page menu-bar rfn-eshadow timer select scroll-bar mouse
jit-lock font-lock syntax facemenu font-core frame cham georgian
utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
japanese hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev
minibuffer 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 make-network-process
dbusbind gfilenotify dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)
        [ To any NSA and FBI agents reading my email: please consider
        [ whether defending the US Constitution against all enemies,
        [ foreign or domestic, requires you to follow Snowden's example.


-- 
Dr Richard Stallman
President, Free Software Foundation
51 Franklin St
Boston MA 02110
USA
www.fsf.org  www.gnu.org
Skype: No way! That's nonfree (freedom-denying) software.
  Use Ekiga or an ordinary phone call.

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