linux-kernel - Re: ip_conntrack_core - possible memory leak in 2.4

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Message-ID: <20061004110957.032ac75e@freekitty>
Date:	Wed, 4 Oct 2006 11:09:57 -0700
From:	Stephen Hemminger <shemminger@...l.org>
To:	linux-kernel@...r.kernel.org
Subject: Re: ip_conntrack_core - possible memory leak in 2.4

On Wed, 4 Oct 2006 20:02:01 +0200
onovy@...i.cz wrote:

> hi,
> 
> i have there MontaVista based router, with 2.4.17_mvl21-malta-mips_fp_le
> kernel. I think, there is memory leak in ip_conntrack code. There are
> eta 500 conntrack connection all the time. But after some day i get
> "ip_conntrack: table full" in kmsg.
> /proc/sys/net/ipv4/netfilter/ip_conntrack_max have 3072 value.
> grep ip_conntrack /proc/slabinfo
> ip_conntrack        3006   3250    384  319  325    1
> ^^ there are 3006 allocated conntracks
> cat /proc/net/ip_conntrack | wc -l
> 30
> ^^ in table are only 30 lines.
> 
> Acording to this:
> http://lists.netfilter.org/pipermail/netfilter-devel/2004-May/015628.html
> i don't think, this is fixed in 2.4 tree, but i can't test it with newer
> version.
> 
> Thanks

You paid for an expensive vendor kernel. Use their support, and
make them fix it.

-- 
Stephen Hemminger <shemminger@...l.org>
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