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Re: Memory leak in 2.6.11-rc1?

To: "David S. Miller" <davem@xxxxxxxxxxxxx>, Robert.Olsson@xxxxxxxxxxx, akpm@xxxxxxxx, torvalds@xxxxxxxx, alexn@xxxxxxxxx, kas@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx
Subject: Re: Memory leak in 2.6.11-rc1?
From: Phil Oester <kernel@xxxxxxxxxxxx>
Date: Sun, 30 Jan 2005 08:57:02 -0800
In-reply-to: <20050130153449.B25000@xxxxxxxxxxxxxxxxxxxxxx>
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On Sun, Jan 30, 2005 at 03:34:49PM +0000, Russell King wrote:
> I think the case against the IPv4 fragmentation code is mounting.
> However, without knowing what the expected conditions for this code,
> (eg, are skbs on the fraglist supposed to have NULL skb->dst?) I'm
> unable to progress this any further.  However, I think it's quite
> clear that there is something bad going on here.

Interesting...the gateway which exhibits the problem fastest in my
area does have a large number of fragmented UDP packets running through it,
as shown by tcpdump 'ip[6:2] & 0x1fff != 0'.

> Why many more people aren't seeing this I've no idea.

Perhaps you (and I) experience more fragments than the average user???

Nice detective work!


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