Re: [PATCH] mm: Add conditions to avoid out-of-bounds

From: Michal Hocko
Date: Mon Jun 04 2018 - 07:20:33 EST


On Mon 04-06-18 18:37:35, nixiaoming wrote:
> In the function memcg_init_list_lru
> if call goto fail when i == 0, will cause out-of-bounds at lru->node[i]

How? All I can see is that the fail path does
for (i = i - 1; i >= 0; i--)

so it will not do anything for i=0.
--
Michal Hocko
SUSE Labs