On Thu, 17 Aug 2023 16:59:56 -0700, Kees Cook wrote:
> Prepare for the coming implementation by GCC and Clang of the __counted_by
> attribute. Flexible array members annotated with __counted_by can have
> their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
> (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
> functions).
>
> As found with Coccinelle[1], add __counted_by for struct
> dm_verity_loadpin_trusted_root_digest.
> Additionally, since the element count member must be set before accessing
> the annotated flexible array member, move its initialization earlier.
>
> [...]
Applied to for-next/hardening, thanks!
[1/1] LoadPin: Annotate struct dm_verity_loadpin_trusted_root_digest with
__counted_by
https://git.kernel.org/kees/c/5f536ac6a5a7
Take care,
--
Kees Cook
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