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8dfb4eba41
esp_output_udp_encap can produce a length that doesn't fit in the 16 bits of a UDP header's length field. In that case, we'll send a fragmented packet whose length is larger than IP_MAX_MTU (resulting in "Oversized IP packet" warnings on receive) and with a bogus UDP length. To prevent this, add a length check to esp_output_udp_encap and return -EMSGSIZE on failure. This seems to be older than git history. Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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.