GNU bug report logs - #18339
24.4.50; Inserting '$' in TeX-mode cause Emacs crashed in MS-Windows with trunk.

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Message #10 received at 18339-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Chris Zheng <chriszheng99 <at> gmail.com>
Cc: 18339-done <at> debbugs.gnu.org
Subject: Re: bug#18339: 24.4.50;
 Inserting '$' in TeX-mode cause Emacs crashed in MS-Windows
 with	trunk.
Date: Wed, 27 Aug 2014 22:46:16 +0300

> Date: Thu, 28 Aug 2014 02:18:09 +0800
> From: Chris Zheng <chriszheng99 <at> gmail.com>
> 
> 
> I found Emacs crashed when I insert '}' after '\frac{}' in
> tex-mode. Then I started emacs with '-Q' and found that the following
> steps can reproduce the bug:
> 1. start Emacs with emacs -Q.
> 2. C-x C-f to visit a new TeX file, e.g. C:\a.tex.
> 3. In the opened buffer, type $ from keyboard. A signal SIGSEGV
> received with the following message:
> Program received signal SIGSEGV, Segmentation fault.
> 0x00000004001d0b50 in dec_bytepos (bytepos=0) at syntax.c:510
> 510	  DEC_POS (bytepos);

Thanks, I fixed this in trunk revision 117752.

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