On Fri, Dec 3, 2021 at 2:56 PM Kees Cook <keescook@xxxxxxxxxxxx> wrote:
>
> Fix mismatched array assignment, reported by an -Warray-bounds build:
>
> mm/hugetlb_cgroup.c: In function '__hugetlb_cgroup_file_legacy_init':
> mm/hugetlb_cgroup.c:850:35: error: array subscript 8 is above array bounds of 'struct cftype[8]' [-Werror=array-bounds ]
> 850 | cft = &h->cgroup_files_dfl[8];
> | ~~~~~~~~~~~~~~~~~~~^~~
> In file included from mm/hugetlb_cgroup.c:23:
> ./include/linux/hugetlb.h:625:23: note: while referencing 'cgroup_files_dfl'
> 625 | struct cftype cgroup_files_dfl[8];
> | ^~~~~~~~~~~~~~~~
>
> Fixes: e45f4726bcad ("hugetlb: add hugetlb.*.numa_stat file")
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Thanks.
