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bug#18339: 24.4.50; Inserting '$' in TeX-mode cause Emacs crashed in MS-
bug#18339: 24.4.50; Inserting '$' in TeX-mode cause Emacs crashed in MS-Windows with trunk.
Thu, 28 Aug 2014 19:31:26 +0300
> Date: Thu, 28 Aug 2014 13:07:21 +0800
> From: Chris Zheng <address@hidden>
> From: Eli Zaretskii <address@hidden>
> 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
> > Thanks, I fixed this in trunk revision 117752.
> I confirmed that this bug is fixed in trunk. Thank you! Is this
> change backport to 24.4 branch? I think the same problem is in
> pretest of 24.4, too.
I installed in the trunk because I couldn't reproduce the problem in
the emacs-24 branch. But you are right: the same faulty code is on
the branch, so I now backported the fix there (r117463).
> Also I'm quite curious why the bug wasn't found for a long period of
The buggy code examines memory 1 byte before an allocated buffer, so
the chance of that being outside the program's address space is
evidently quite small.
Memory management on Windows changed dramatically between emacs-24
branch and the trunk, so I guess this is the main reason that the bug