I'm very sorry. It was my mistake. it won't cross the border here. Thanks -----Original Message----- From: Michal Hocko [mailto:mhocko@xxxxxxxxxx] Sent: Monday, June 04, 2018 7:20 PM To: Nixiaoming <nixiaoming@xxxxxxxxxx> Cc: akpm@xxxxxxxxxxxxxxxxxxxx; vdavydov.dev@xxxxxxxxx; hannes@xxxxxxxxxxx; garsilva@xxxxxxxxxxxxxx; ktkhai@xxxxxxxxxxxxx; stummala@xxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-mm@xxxxxxxxx Subject: Re: [PATCH] mm: Add conditions to avoid out-of-bounds 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
