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b2b23ba03c
Nothing appears to be using ksize() within the kmalloc-backed mempools except the mempool poisoning logic. Use the actual pool size instead of the ksize() to avoid needing any special handling of the memory as needed by KASAN, UBSAN_BOUNDS, nor FORTIFY_SOURCE. [vbabka@suse.cz: for slab mempools pool_data is not object size] Link: https://lkml.kernel.org/r/13c4bd6e-09d3-efce-43a5-5a99be8bc96b@suse.cz Link: https://lkml.kernel.org/r/20221028154823.you.615-kees@kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Suggested-by: Vlastimil Babka <vbabka@suse.cz> Link: https://lore.kernel.org/lkml/f4fc52c4-7c18-1d76-0c7a-4058ea2486b9@suse.cz/ Acked-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com> Cc: David Rientjes <rientjes@google.com> Cc: Marco Elver <elver@google.com> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> Reported-by: Anders Roxell <anders.roxell@linaro.org> Link: https://lore.kernel.org/all/20221031105514.GB69385@mutt/ Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@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.