On 9/16/21 14:39, Miaohe Lin wrote:
> In error path, the random_seq of slub cache might be leaked. Fix this by
> using __kmem_cache_release() to release all the relevant resources.
>
> Fixes: 210e7a43fa90 ("mm: SLUB freelist randomization")
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
> ---
> mm/slub.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/slub.c b/mm/slub.c
> index a56a6423d4e8..bf1793fb4ce5 100644
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -4210,8 +4210,8 @@ static int kmem_cache_open(struct kmem_cache *s, slab_flags_t flags)
> if (alloc_kmem_cache_cpus(s))
> return 0;
>
> - free_kmem_cache_nodes(s);
> error:
> + __kmem_cache_release(s);
> return -EINVAL;
> }
>
>
