On Tue, Jul 4, 2017 at 11:54 PM, Jamie Bainbridge
<jamie.bainbri...@gmail.com> wrote:
> On 25 June 2017 at 16:50, Cong Wang <xiyou.wangc...@gmail.com> wrote:
>> We have to reset the sk->sk_rx_dst when we disconnect a TCP
>> connection, because otherwise when we re-connect it this
>> dst reference is simply overridden in tcp_finish_connect().
>>
>> This fixes a dst leak which leads to a loopback dev refcnt
>> leak. It is a long-standing bug, Kevin reported a very similar
>> (if not same) bug before. Thanks to Andrei for providing such
>> a reliable reproducer which greatly narrows down the problem.
>>
>> Fixes: 41063e9dd119 ("ipv4: Early TCP socket demux.")
>> Reported-by: Andrei Vagin <ava...@gmail.com>
>> Reported-by: Kevin Xu <kaiwen...@hulu.com>
>> Signed-off-by: Cong Wang <xiyou.wangc...@gmail.com>
>
> Are you able to supply the reproducer for this?
>
> I did search for a previous thread about it but could not find.Here it is: http://marc.info/?l=linux-kernel&m=149825461307610&w=2
