On April 5, 2023 5:22:55 PM PDT, Dan Williams <dan.j.williams@xxxxxxxxx> wrote: >Dan Williams wrote: >> 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> > >Unit tests say NAK, though. > >This causes a regression, but I think I see where. Will send a fixed >patch in a bit. Ah, which tests? I must have missed something! Thanks for digging in. -Kees -- Kees Cook