netdev - MPTCP deadlocks

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Message-ID: <20251203073555.1f39300c@kernel.org>
Date: Wed, 3 Dec 2025 07:35:55 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Paolo Abeni <pabeni@...hat.com>, Matthieu Baerts <matttbe@...nel.org>
Cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: MPTCP deadlocks

Hi!

Not sure if its the new machines or some of the recent work in MPTCP
but we hit a deadlock in the tests a couple of times:

stderr of join.sh:
https://netdev-ctrl.bots.linux.dev/logs/vmksft/mptcp-dbg/results/412720/1-mptcp-join-sh/stderr
decoded:
https://netdev-ctrl.bots.linux.dev/logs/vmksft/mptcp-dbg/results/412720/vm-crash-thr0-0