GNU bug report logs - #19435
SIGSEGV in PSEUDOVECTOR_TYPEP when using find-file on a RTL filename

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Message #13 received at 19435-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Dmitry Antipov <dmantipov <at> yandex.ru>
Cc: ivan <at> siamics.net, 19435-done <at> debbugs.gnu.org
Subject: Re: bug#19435: SIGSEGV in PSEUDOVECTOR_TYPEP when using find-file on
 a RTL filename
Date: Thu, 25 Dec 2014 17:41:53 +0200

> Date: Wed, 24 Dec 2014 11:36:42 +0300
> From: Dmitry Antipov <dmantipov <at> yandex.ru>
> CC: Ivan Shmakov <ivan <at> siamics.net>, Eli Zaretskii <eliz <at> gnu.org>
> 
> On 12/24/2014 10:25 AM, Ivan Shmakov wrote:
> 
> > 	As of 36c43e95de5e (2014-12-18 16:44:11 +0000), Emacs segfaults
> > 	when trying to use find-file on "\u062f\u0646\u06cc" (encoded as
> > 	a ASCII-safe Emacs string literal here.)
> >
> > 	Strangely enough, $ emacs -Q handles that filename just fine.
> >
> > 	The backtrace is MIMEd.
> 
> Reproduced.  This seems to be a redisplay glitch since composition_compute_stop_pos
> makes an attempt to move CMP_IT beyond STRING's boundaries, as handled by the
> following extra eassert:

Thanks.

This was a very old bug, it was introduced more than 4 years ago (as
part of solution of another bug).

Now fixed by a41d07b on the emacs-24 branch.

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