From: Paul Eggert <eggert@cs.ucla.edu>
To: Daniel Colascione <dancol@dancol.org>,
Eli Zaretskii <eliz@gnu.org>,
emacs-devel@gnu.org
Subject: Re: Two issues with stack overflow protection
Date: Wed, 29 Jul 2015 00:06:44 -0700 [thread overview]
Message-ID: <55B87B84.4000105@cs.ucla.edu> (raw)
In-Reply-To: <55B86E65.6030000@dancol.org>
Daniel Colascione wrote:
> What's wrong with just mprotecting a guard page at the end of the stack,
> and on overflow, giving that region normal protection, unwinding as
> normal, then, at top level, restoring the guard page?
Unwinding can grow the stack.
next prev parent reply other threads:[~2015-07-29 7:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-28 17:23 Two issues with stack overflow protection Eli Zaretskii
2015-07-29 5:01 ` Paul Eggert
2015-07-29 6:10 ` Daniel Colascione
2015-07-29 7:06 ` Paul Eggert [this message]
2015-07-29 11:27 ` Daniel Colascione
2015-07-29 13:18 ` Paul Eggert
2015-07-29 16:24 ` Eli Zaretskii
2015-07-29 16:48 ` Paul Eggert
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