From: Frank van der Linden <[email protected]>
Date: Tue, 12 Jun 2018 23:09:37 +0000
> commit 079096f103fa ("tcp/dccp: install syn_recv requests into ehash
> table") introduced an optimization for the handling of child sockets
> created for a new TCP connection.
>
> But this optimization passes any data associated with the last ACK of the
> connection handshake up the stack without verifying its checksum, because it
> calls tcp_child_process(), which in turn calls tcp_rcv_state_process()
> directly. These lower-level processing functions do not do any checksum
> verification.
>
> Insert a tcp_checksum_complete call in the TCP_NEW_SYN_RECEIVE path to
> fix this.
>
> Signed-off-by: Frank van der Linden <[email protected]>
Applied and queued up for -stable.
I know you mention the bug causing commit in your commit message,
but you should also still provide a proper Fixes: tag. I took
care of it for you this time.
Thanks.
