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dfbc411e0a
This is an effort to get rid of all multiplications from allocation functions in order to prevent integer overflows: https://www.kernel.org/doc/html/latest/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments https://github.com/KSPP/linux/issues/160 As the "rapl_pmus" variable is a pointer to "struct rapl_pmus" and this structure ends in a flexible array: struct rapl_pmus { [...] struct rapl_pmu *pmus[] __counted_by(maxdie); }; the preferred way in the kernel is to use the struct_size() helper to do the arithmetic instead of the calculation "size + count * size" in the kzalloc() function. This way, the code is more readable and safer. Signed-off-by: Erick Archer <erick.archer@gmx.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20240317164442.6729-1-erick.archer@gmx.com |
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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.