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commitd2932a59c2upstream. ACPI 6.6 specification for EINJV2 appends an extra structure to the end of the existing struct set_error_type_with_address. Several issues showed up in testing. 1) Initialization was broken by an earlier fix [1] since is_v2 is only set while performing an injection, not during initialization. 2) A buggy BIOS provided invalid "revision" and "length" for the extension structure. Add several sanity checks. 3) When injecting legacy error types on an EINJV2 capable system, don't copy the component arrays. Fixes:6c70585149("ACPI: APEI: EINJ: Check if user asked for EINJV2 injection") # [1] Fixes:b47610296d("ACPI: APEI: EINJ: Enable EINJv2 error injections") Signed-off-by: Tony Luck <tony.luck@intel.com> [ rjw: Changelog edits ] Cc: 6.17+ <stable@vger.kernel.org> # 6.17+ Link: https://patch.msgid.link/20251119012712.178715-1-tony.luck@intel.com Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.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 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.