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aeb213cdde
head, tail, ring_size are declared as unsigned int, so all local variables that operate with these fields have to be unsigned to avoid signed integer overflow. Right now, it isn't an issue because the maximum pipe size is limited by 1U<<31. Link: https://lkml.kernel.org/r/20220106171946.36128-1-avagin@gmail.com Signed-off-by: Andrei Vagin <avagin@gmail.com> Suggested-by: Dmitry Safonov <0x7f454c46@gmail.com> Acked-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.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.