[PATCH 0/4] tcp: Fix bad switch to CLOSE-WAIT state and surrounding issues

2 Oct 2025


      The most important fix here is 3/4, the other ones are either fixes
for issues that weren't actually observed in practice, but I mistook
them as the case fixed by 3/4, or for minor details.

Stefano Brivio (4):
  tcp: Fix ACK sequence on FIN to tap
  tcp: Completely ignore data segment in CLOSE-WAIT state, log a message
  tcp: Don't consider FIN flags with mismatching sequence
  tcp: On partial send (incomplete sendmsg()), request a retransmission
    right away

 tcp.c     | 12 +++++++++---
 tcp_buf.c | 14 +++++++++++++-
 tcp_vu.c  |  7 ++++++-
 3 files changed, 28 insertions(+), 5 deletions(-)

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2.43.0