On Fri, Sep 23, 2016 at 11:27:42AM +0200, KOVACS Krisztian wrote: > The introduction of TCP_NEW_SYN_RECV state, and the addition of request > sockets to the ehash table seems to have broken the --transparent option > of the socket match for IPv6 (around commit a9407000). > > Now that the socket lookup finds the TCP_NEW_SYN_RECV socket instead of the > listener, the --transparent option tries to match on the no_srccheck flag > of the request socket. > > Unfortunately, that flag was only set for IPv4 sockets in tcp_v4_init_req() > by copying the transparent flag of the listener socket. This effectively > causes '-m socket --transparent' not match on the ACK packet sent by the > client in a TCP handshake. > > Based on the suggestion from Eric Dumazet, this change moves the code > initializing no_srccheck to tcp_conn_request(), rendering the above > scenario working again.
Applied, thanks Krisztian.
