On Tue, Jul 4, 2017 at 11:54 PM, Jamie Bainbridge <[email protected]> wrote: > On 25 June 2017 at 16:50, Cong Wang <[email protected]> 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 <[email protected]> >> Reported-by: Kevin Xu <[email protected]> >> Signed-off-by: Cong Wang <[email protected]> > > 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
