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commitf8efca92aeupstream. Do alignment logic properly and use the "ptr" local variable for calculating the remainder of the alignment. This became an issue because struct edac_mc_layer has a size that is not zero modulo eight, and the next offset that was prepared for the private data was unaligned, causing an alignment exception. The patch in Fixes: which broke this actually wanted to "what we actually care about is the alignment of the actual pointer that's about to be returned." But it didn't check that alignment. Use the correct variable "ptr" for that. [ bp: Massage commit message. ] Fixes:8447c4d15e("edac: Do alignment logic properly in edac_align_ptr()") Signed-off-by: Eliav Farber <farbere@amazon.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20220113100622.12783-2-farbere@amazon.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.