Merge branch 'tcp-re-enable-acceptance-of-fin-packets-when-rwin-is-0'

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Simon Baatz says:

====================
tcp: re-enable acceptance of FIN packets when RWIN is 0

this series restores the ability to accept in‑sequence FIN packets
even when the advertised receive window is zero, and adds a
packetdrill test to guard the behavior.
====================

Link: https://patch.msgid.link/20260224-fix_zero_wnd_fin-v2-0-a16677ea7cea@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Jakub Kicinski 2026-02-25 19:07:07 -08:00

parent 5cc619583c 7451133230

commit 7c9db1a1cd

2 changed files with 41 additions and 4 deletions

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18

net/ipv4/tcp_input.c

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27

tools/testing/selftests/net/packetdrill/tcp_rcv_zero_wnd_fin.pkt

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