Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Thu, 22 Jun 2017 12:19:35 +0200
From: Florian Weimer <>
To:, Daniel Micay <>,
 Qualys Security Advisory <>
Subject: Re: Qualys Security Advisory - The Stack Clash

On 06/22/2017 08:00 AM, Daniel Micay wrote:
> Is it planned to have glibc use a larger 1M gap for secondary stacks
> rather than a single guard page? That would be a *lot* easier than it
> was to set it up for the main thread stack. It follows the main thread
> stack rlimit as a guideline so it seems to make sense to use the same
> guard region size too. If it ends up exposed as a sysctl, it could read
> the current value from there.

On the glibc side, we are waiting for the kernel interface for the
configurable gap size to materialize upstream.


Powered by blists - more mailing lists

Your e-mail address:

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Powered by Openwall GNU/*/Linux - Powered by OpenVZ