Date: Thu, 12 Sep 2002 19:15:54 +0400 (MSD) From: Maxim Konovalov <maxim@macomnet.ru> To: Kris Kennaway <kris@obsecurity.org> Cc: freebsd-current@FreeBSD.org, <billf@FreeBSD.org> Subject: Re: vsnprintf(3) memory leak patch, misc/26044 and bin/36175 Message-ID: <20020912190737.I93585-100000@news1.macomnet.ru> In-Reply-To: <20020912144655.GB15781@xor.obsecurity.org> References: <20020912115723.X95514-100000@news1.macomnet.ru> <20020912144655.GB15781@xor.obsecurity.org>
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On 18:46+0400, Sep 12, 2002, Kris Kennaway wrote:
> On Thu, Sep 12, 2002 at 12:02:45PM +0400, Maxim Konovalov wrote:
>
> > + /* Stdio internals do not deal correctly with zero length buffer */
>
> I thought ache fixed a lot of these; are you sure the situation still
> applies to -current?
Yes, it still leaks. Testcase from misc/26044:
main() {for(;;) vsnprintf(0, 0, "yadda yadda!\n");};
--
Maxim Konovalov, MAcomnet, Internet Dept., system engineer
phone: +7 (095) 796-9079, mailto:maxim@macomnet.ru
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