Date: Thu, 15 Sep 2005 04:50:24 GMT From: Andrey Chernov <ache@FreeBSD.ORG> To: freebsd-bugs@FreeBSD.org Subject: Re: bin/86135: Fwd: Latent buffer overflow in getcwd Message-ID: <200509150450.j8F4oOmS045350@freefall.freebsd.org>
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The following reply was made to PR kern/86135; it has been noted by GNATS.
From: Andrey Chernov <ache@FreeBSD.ORG>
To: Bruce Evans <bde@zeta.org.au>, Trevor Blackwell <tlb@tlb.org>,
freebsd-bugs@FreeBSD.ORG, FreeBSD-gnats-submit@FreeBSD.ORG
Cc:
Subject: Re: bin/86135: Fwd: Latent buffer overflow in getcwd
Date: Thu, 15 Sep 2005 08:48:47 +0400
On Thu, Sep 15, 2005 at 08:35:53AM +0400, Andrey Chernov wrote:
> While it can be so for "up", it is not so for "ep", since it is
> filled by __getcwd() syscall and can't be bigger.
I mean common normal situation, i.e. when __getcwd() returns 0.
Allocating anything else than MAXPATHLEN in that situation will
be a waste.
--
http://ache.pp.ru/
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