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strcpy() performs no bounds checking on the destination buffer. This could result in linear overflows beyond the end of the buffer, leading to all kinds of misbehaviors. The safe replacement is strscpy() [1]. This is in preparation of a possible future step where all strcpy() uses will be removed in favour of strscpy() [2]. This fixes CheckPatch warnings: WARNING: Prefer strscpy over strcpy Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strcpy [1] Link: https://github.com/KSPP/linux/issues/88 [2] Reviewed-by: Geliang Tang <geliang@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Signed-off-by: Mat Martineau <martineau@kernel.org> Link: https://lore.kernel.org/r/20240514011335.176158-6-martineau@kernel.org 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.