On Thu, 2016-08-18 at 14:48 +0200, Florian Westphal wrote:
It seems tcp_v4_reqsk_send_ack() and tcp_v6_reqsk_send_ack() were not
taken into account.
See commit 20a2b49fc5385 changelog
packetdrill test showing the possible issue if the TS sent on an ACK in
SYN_RECV state is wrong.