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d26796ae58
There is a chance that __udp4/6_lib_lookup() returns a udp encap sock in __udp_lib_err(), like the udp encap listening sock may use the same port as remote encap port, in which case it should go to __udp4/6_lib_err_encap() for more validation before processing the icmp packet. This patch is to check encap_type in __udp_lib_err() for the further validation for a encap sock. Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> 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.