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03e2777c1a
Guillaume Nault says: ==================== ipv4: Handle TOS and scope properly for ICMP redirects and PMTU updates ICMPv4 PMTU and redirect handlers didn't properly initialise the struct flowi4 they used for route lookups: * ECN bits sometimes weren't cleared from ->flowi4_tos. * The RTO_ONLINK flag wasn't taken into account for ->flowi4_scope. In some special cases, this resulted in ICMP redirects and PMTU updates not being taken into account because fib_lookup() couldn't retrieve the correct route. ==================== Link: https://lore.kernel.org/r/cover.1647519748.git.gnault@redhat.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.