GNU bug report logs - #18410
Use SAFE_ALLOCA etc. to avoid unbounded stack allocation.

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Package: emacs;

Reported by: Paul Eggert <eggert <at> cs.ucla.edu>

Date: Fri, 5 Sep 2014 06:10:02 UTC

Severity: wishlist

Tags: patch

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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From: Daniel Colascione <dancol <at> dancol.org>
To: Demetrios Obenour <demetriobenour <at> gmail.com>,  'Paul Eggert' <eggert <at> cs.ucla.edu>, 'Stefan Monnier' <monnier <at> iro.umontreal.ca>
Cc: 18410 <at> debbugs.gnu.org
Subject: bug#18410: Use SAFE_ALLOCA etc. to avoid unbounded stack allocation.
Date: Sun, 07 Sep 2014 20:19:48 -0700

[Message part 1 (text/plain, inline)]
On 09/07/2014 08:17 PM, Demetrios Obenour wrote:
> This is crucial. Otherwise, a security vulnerability could result.
> 
> MAX_ALLOCA should not be larger than the page size for the target architecture.

You could just touch every page inside a large alloca.


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This bug report was last modified 10 years and 258 days ago.

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