[PATCH v3 0/2] net/tcp: fix permanent FIN-WAIT-1 state and add packetdrill test

From: HaiYang Zhong
Date: Mon Oct 27 2025 - 10:19:05 EST


Hi Kuniyuki,

Thank you for the feedback. I've shortened the test duration in v3.

The test is now:
- Moved to tools/testing/selftests/net/packetdrill/
- Reduced from 360+ seconds to under 4 seconds

Please see the v3 series for details.

Best regards,
HaiYang Zhong

HaiYang Zhong (2):
net/tcp: fix permanent FIN-WAIT-1 state with continuous zero window
packets
net/tcp: add packetdrill test for FIN-WAIT-1 zero-window fix

net/ipv4/tcp_input.c | 2 ++
.../packetdrill/tcp_fin_wait1_zero_window.pkt | 34 +++++++++++++++++++
2 files changed, 36 insertions(+)
create mode 100644 tools/testing/selftests/net/packetdrill/tcp_fin_wait1_zero_window.pkt

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2.43.7