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Both virtchnl2.h and its consumer idpf_virtchnl.c are very error-prone. There are 10 structures with flexible arrays at the end, but 9 of them has flex member counter in Little Endian. Make the code a bit more robust by applying __counted_by_le() to those 9. LE platforms is the main target for this driver, so they would receive additional protection. While we're here, add __counted_by() to virtchnl2_ptype::proto_id, as its counter is `u8` regardless of the Endianness. Compile test on x86_64 (LE) didn't reveal any new issues after applying the attributes. Acked-by: Kees Cook <keescook@chromium.org> Acked-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Link: https://lore.kernel.org/r/20240327142241.1745989-4-aleksander.lobakin@intel.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 reStructuredText 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.