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[ Upstream commit1f7fe51211] The key length used when offloading macsec to Ethernet or PHY drivers was set to MACSEC_KEYID_LEN (16), which is an issue as: - This was never meant to be the key length. - The key length can be > 16. Fix this by using MACSEC_MAX_KEY_LEN to store the key (the max length accepted in uAPI) and secy->key_len to copy it. Fixes:3cf3227a21("net: macsec: hardware offloading infrastructure") Reported-by: Lior Nahmanson <liorna@nvidia.com> Signed-off-by: Antoine Tenart <atenart@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@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.