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Matthieu Baerts says: ==================== mptcp: fixes for connect selftest flakes Last week, Jakub reported [1] that the MPTCP Connect selftest was unstable. It looked like it started after the introduction of some fixes [2]. After analysis from Paolo, these patches revealed existing bugs, that should be fixed by the following patches. - Patch 1: Make sure ACK are sent when MPTCP-level window re-opens. In some corner cases, the other peer was not notified when more data could be sent. A fix for v5.11, but depending on a feature introduced in v5.19. - Patch 2: Fix spurious wake-up under memory pressure. In this situation, the userspace could be invited to read data not being there yet. A fix for v6.7. - Patch 3: Fix a false positive error when running the MPTCP Connect selftest with the "disconnect" cases. The userspace could disconnect the socket too soon, which would reset (MP_FASTCLOSE) the connection, interpreted as an error by the test. A fix for v5.17. Link: https://lore.kernel.org/20250107131845.5e5de3c5@kernel.org [1] Link: https://lore.kernel.org/20241230-net-mptcp-rbuf-fixes-v1-0-8608af434ceb@kernel.org [2] ==================== Link: https://patch.msgid.link/20250113-net-mptcp-connect-st-flakes-v1-0-0d986ee7b1b6@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.