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SubjectRe: 2.6.25-rc8: FTP transfer errors
YOSHIFUJI Hideaki / 吉藤英明 wrote:
> In article <47FEB0E3.8080507@rtr.ca> (at Thu, 10 Apr 2008 20:29:23 -0400), Mark Lord <lkml@rtr.ca> says:
>
>> David Miller wrote:
>>> From: Mark Lord <lkml@rtr.ca>
>>> Date: Thu, 10 Apr 2008 20:16:11 -0400
>>>
>>>> [c67499c0e772064b37ad75eb69b28fc218752636 is first bad commit
>>>> commit c67499c0e772064b37ad75eb69b28fc218752636
>>>> Author: Pavel Emelyanov <xemul@openvz.org>
>>>> Date: Thu Jan 31 05:06:40 2008 -0800
>>>>
>>>> [NETNS]: Tcp-v4 sockets per-net lookup.
>>>>
>>>> Add a net argument to inet_lookup and propagate it further
>>>> into lookup calls. Plus tune the __inet_check_established.
>>>>
>>>> The dccp and inet_diag, which use that lookup functions
>>>> pass the init_net into them.
>>>>
>>>> Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
>>>> Signed-off-by: David S. Miller <davem@davemloft.net>
>>> Thanks Mark.
>>>
>>> Pavel can you take a look? I suspect that the namespace
>>> changes or gets NULL'd out somehow and this leads to the
>>> resets because the socket can no longer be found. Perhaps
>>> it's even a problem with time-wait socket namespace
>>> propagation.
>> ..
>>
>> My system here is now set up for quick/easy retest, if you have any
>> suggestions or patches to try out.
>
> Please try this, from net-2.6.26 tree.
>
> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

Too late, but still
Acked-by: Pavel Emelyanov <xemul@openvz.org>

Sorry, guys, but my timezone does not allow me to react in time
to found bugs :( So, when I wake up in the morning I usually just
find out that someone has caught a BUG made by me and someone
else has fixed it already...

> ----
>>From 8d9f1744cab50acb0c6c9553be533621e01f178b Mon Sep 17 00:00:00 2001
> From: Daniel Lezcano <dlezcano@fr.ibm.com>
> Date: Fri, 21 Mar 2008 04:12:54 -0700
> Subject: [PATCH] [NETNS][IPV6] tcp - assign the netns for timewait sockets
>
> Copy the network namespace from the socket to the timewait socket.
>
> Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
> Signed-off-by: David S. Miller <davem@davemloft.net>
> ---
> net/ipv4/inet_timewait_sock.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
> index 876169f..717c411 100644
> --- a/net/ipv4/inet_timewait_sock.c
> +++ b/net/ipv4/inet_timewait_sock.c
> @@ -124,6 +124,7 @@ struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk, const int stat
> tw->tw_hash = sk->sk_hash;
> tw->tw_ipv6only = 0;
> tw->tw_prot = sk->sk_prot_creator;
> + tw->tw_net = sk->sk_net;
> atomic_set(&tw->tw_refcnt, 1);
> inet_twsk_dead_node_init(tw);
> __module_get(tw->tw_prot->owner);

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