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From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: eggert@cs.ucla.edu, 18410@debbugs.gnu.org
Subject: bug#18410: Use SAFE_ALLOCA etc. to avoid unbounded stack allocation.
Date: Tue, 09 Sep 2014 16:17:41 +0300	[thread overview]
Message-ID: <83lhptaq6i.fsf@gnu.org> (raw)
In-Reply-To: <jwva96as2ih.fsf-monnier+emacsbugs@gnu.org>

> From: Stefan Monnier <monnier@IRO.UMontreal.CA>
> Cc: Paul Eggert <eggert@cs.ucla.edu>, 18410@debbugs.gnu.org
> Date: Mon, 08 Sep 2014 08:48:50 -0400
> 
> >> Perhaps some of that discussion is moot now, with the stack overflow
> >> checking that Dmitry added last month?
> > I'd say it's definitely moot on systems where that stack-overflow code
> > is working.
> 
> I disagree.  Even if the new stack-overflow code works, it doesn't
> change the fact that a stack-overflow is a problem for the end-user and
> we should try to avoid causing such things.
> 
> IOW, Dmitry's overflow-handling is good because it makes the failure
> a bit cleaner, but it's still a failure that we should strive to avoid.

Actually, we are in violent agreement.  The point I was making is that
given that we want to check for stack overflow, we don't need 2 such
checks.  I didn't mean at all to say that we should be less careful
about avoiding stack overflows.





  reply	other threads:[~2014-09-09 13:17 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-05  6:08 bug#18410: Use SAFE_ALLOCA etc. to avoid unbounded stack allocation Paul Eggert
2014-09-05  8:45 ` Dmitry Antipov
2014-09-05 15:01   ` Paul Eggert
2014-09-05 15:44   ` Stefan Monnier
2014-09-05 16:04     ` Andreas Schwab
2014-09-05 17:22       ` Stefan Monnier
2014-09-05  8:59 ` Dmitry Antipov
2014-09-05 15:03   ` Paul Eggert
2014-09-07  7:20 ` Paul Eggert
2014-09-07 17:09   ` Eli Zaretskii
2014-09-07 20:33     ` Paul Eggert
2014-09-08  2:22       ` Stefan Monnier
2014-09-08  2:35         ` Eli Zaretskii
2014-09-08  2:43           ` Stefan Monnier
2014-09-08  2:38         ` Paul Eggert
2014-09-08  3:17           ` Demetrios Obenour
2014-09-08  3:19             ` Daniel Colascione
2014-09-08  3:20               ` Demetrios Obenour
2014-09-08  7:26           ` Dmitry Antipov
2014-09-08  2:36       ` Eli Zaretskii
2014-09-08 12:48         ` Stefan Monnier
2014-09-09 13:17           ` Eli Zaretskii [this message]
2014-09-09 13:49             ` Stefan Monnier

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