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To: gentoo-dev@g.o
From: Tobias Klausmann <klausman@g.o>
Subject: Re: Race condition in Netfilter triggered by glibc 2.9
Date: Mon, 2 Feb 2009 15:52:50 +0100
Hi! 

On Thu, 29 Jan 2009, Tobias Klausmann wrote:
> I tried understanding what glibc 2.9 does regarding dns lookups,
> but since it involves a rather complex (and probably quite
> clever) queueing mechanism, I'm not quite sure I wouldn't break
> more than I fix in doing so.

Apparently, it's enough to not export gethostbyname4() to fix
this.

I'll try building a glibc-2.9_p20081201-r1 plus this patch:
http://pasky.or.cz/~pasky/dev/glibc/glibc-2.10-dns-no-gethostbyname4.diff

If it works, I'll test drive it for a while and report back.

Regards,
Tobias

-- 
        if(ct<0)
                ct=2;        /* Shit happens.. */
        linux-2.6.6/drivers/net/wan/z85230.c


Replies:
Re: Race condition in Netfilter triggered by glibc 2.9
-- Tobias Klausmann
References:
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-- Tobias Klausmann
Re: Race condition in Netfilter triggered by glibc 2.9
-- Mike Frysinger
Re: Race condition in Netfilter triggered by glibc 2.9
-- Tobias Klausmann
Re: Race condition in Netfilter triggered by glibc 2.9
-- Mike Frysinger
Re: Race condition in Netfilter triggered by glibc 2.9
-- Tobias Klausmann
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Updated Mar 01, 2010

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