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2326aceebc
In the quest to remove all stack VLA usage from the kernel[1], this switches to using a maximum size and adds sanity checks. Additionally cleans up some of the int-vs-u32 usage and adds additional bounds checking. As it currently stands, this will always be 8 bytes until the ABI changes. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Christoffer Dall <christoffer.dall@arm.com> Cc: Eric Auger <eric.auger@redhat.com> Cc: Andre Przywara <andre.przywara@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: kvmarm@lists.cs.columbia.edu Signed-off-by: Kees Cook <keescook@chromium.org> [maz: dropped WARN_ONs] Signed-off-by: Marc Zyngier <marc.zyngier@arm.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.