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

[Andreas Schwab]

Marcin Borkowski <mbork@mbork.pl> writes:

> On 2015-07-30, at 17:06, David Bremner <david@tethera.net> 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".

I think the regexp should be written like this:

"[^:]+:.*\\(\n[ \t].*\\)+\n\n"

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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