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455a35a6cd
This adds a small module for testing that the check_*_overflow functions work as expected, whether implemented in C or using gcc builtins. Example output: test_overflow: u8 : 18 tests test_overflow: s8 : 19 tests test_overflow: u16: 17 tests test_overflow: s16: 17 tests test_overflow: u32: 17 tests test_overflow: s32: 17 tests test_overflow: u64: 17 tests test_overflow: s64: 21 tests Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> [kees: add output to commit log, drop u64 tests on 32-bit] Signed-off-by: Kees Cook <keescook@chromium.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.
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.