RE: [PATCH 22/32] ACPICA: actbl2: Replace 1-element arrays with flexible arrays

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Rafael J. Wysocki wrote:
> From: Kees Cook <kees@xxxxxxxxxxx>
> 
> ACPICA commit 44f1af0664599e87bebc3a1260692baa27b2f264
> 
> Similar to "Replace one-element array with flexible-array", replace the
> 1-element array with a proper flexible array member as defined by C99.
> 
> This allows the code to operate without tripping compile-time and run-
> time bounds checkers (e.g. via __builtin_object_size(), -fsanitize=bounds,
> and/or -fstrict-flex-arrays=3).
> 
> The sizeof() uses with struct acpi_nfit_flush_address and struct
> acpi_nfit_smbios have been adjusted to drop the open-coded subtraction
> of the trailing single element. The result is no binary differences in
> .text nor .data sections.
> 
> Link: https://github.com/acpica/acpica/commit/44f1af06
> Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>



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