Re: [PATCH] crypto: zstd - Annotate struct zstd_ctx with __counted_by

[David Sterba]

On Sat, Nov 08, 2025 at 01:07:40PM +0100, Thorsten Blum wrote:
> Add the __counted_by() compiler attribute to the flexible array member
> 'wksp' to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and
> CONFIG_FORTIFY_SOURCE.
> 
> Use struct_size(), which provides additional compile-time checks for
> structures with flexible array members (e.g., __must_be_array()), for
> the allocation size for a new 'zstd_ctx' while we're at it.
> 
> Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx>

Reviewed-by: David Sterba <dsterba@xxxxxxxx>

As this is crypto/zstd.c there's no need to sync with upstream zstd code
so it can go via the crypto tree.