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Matthieu Baerts says: ==================== mptcp: userspace pm: create sockets for the right family Before these patches, the Userspace Path Manager would allow the creation of subflows with wrong families: taking the one of the MPTCP socket instead of the provided ones and resulting in the creation of subflows with likely not the right source and/or destination IPs. It would also allow the creation of subflows between different families or not respecting v4/v6-only socket attributes. Patch 1 lets the userspace PM select the proper family to avoid creating subflows with the wrong source and/or destination addresses because the family is not the expected one. Patch 2 makes sure the userspace PM doesn't allow the userspace to create subflows for a family that is not allowed. Patch 3 validates scenarios with a mix of v4 and v6 subflows for the same MPTCP connection. These patches fix issues introduced in v5.19 when the userspace path manager has been introduced. ==================== Link: https://lore.kernel.org/r/20230112-upstream-net-20230112-netlink-v4-v6-v1-0-6a8363a221d2@tessares.net 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 Restructured Text 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.