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bug#21160: 24.5; message-goto-body crashes with moderately large headers


From: Marcin Borkowski
Subject: bug#21160: 24.5; message-goto-body crashes with moderately large headers
Date: Wed, 04 May 2016 09:32:27 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

On 2015-07-30, at 17:06, David Bremner <address@hidden> wrote:

> This bug originally arose using message-mode to forward a message with
> mml markup "type=message/rfc822 disposition=inline"
>
> Unfortunately I don't have permission  to share the test message, but
> the failure of the corresponding line in message-goto-body can be
> duplicated as follows.
>
> 1) start emacs -Q
> 2) visit the attached file
> 3) run M-: (search-forward-regexp "[^:]+:\\([^\n]\\|\n[ \t]\\)+\n\n" nil t)

Confirmed on GNU Emacs 25.1.50.9 (commit fafdfcb).  The error message is
"Stack overflow in regexp matcher".

Best,

-- 
Marcin

>
> This is an anonymized list of a couple hundred recipients. I agree
> that's not typical, but it's not that large either.
>
> Cc: zzzzzzzzzz zzzz <address@hidden>, "address@hidden" <
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>, 
>       "address@hidden" <address@hidden>, "address@hidden" <address@hidden>
> zzzzzzz-zzzz: zzzzzzzzz/zzzzzzzzzzz; zzzzzzzz=zzzzzzzzzzzzzzzzzzzzzzzzzzzz
>
>
>
> In GNU Emacs 24.5.1 (x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
>  of 2015-06-28 on trouble, modified by Debian
> Windowing system distributor `The X.Org Foundation', version 11.0.11702000
> System Description:   Debian GNU/Linux testing (stretch)
>
> Configured using:
>  `configure --build x86_64-linux-gnu --prefix=/usr
>  --sharedstatedir=/var/lib --libexecdir=/usr/lib
>  --localstatedir=/var/lib --infodir=/usr/share/info
>  --mandir=/usr/share/man --with-pop=yes
>  
> --enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.5/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.5/site-lisp:/usr/share/emacs/site-lisp
>  --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
>  --libexecdir=/usr/lib --localstatedir=/var/lib
>  --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes
>  
> --enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.5/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.5/site-lisp:/usr/share/emacs/site-lisp
>  --with-x=yes --with-x-toolkit=lucid --with-toolkit-scroll-bars
>  --without-gconf --without-gsettings 'CFLAGS=-g -O2
>  -fstack-protector-strong -Wformat -Werror=format-security -Wall'
>  CPPFLAGS=-D_FORTIFY_SOURCE=2 LDFLAGS=-Wl,-z,relro'
>
> Important settings:
>   value of $LANG: en_CA.UTF-8
>   locale-coding-system: utf-8-unix





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