On Fri, Sep 22, 2023 at 10:53 AM Kees Cook <[email protected]> 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 
> mem_cgroup_threshold_ary.
>
> [1] 
> https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
>
> Cc: Andrew Morton <[email protected]>
> Cc: Shakeel Butt <[email protected]>
> Cc: Roman Gushchin <[email protected]>
> Cc: Johannes Weiner <[email protected]>
> Cc: Michal Hocko <[email protected]>
> Cc: "Matthew Wilcox (Oracle)" <[email protected]>
> Signed-off-by: Kees Cook <[email protected]>

Acked-by: Shakeel Butt <[email protected]>

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