[CC Vladimir] On Fri 06-10-17 16:59:18, Jia-Ju Bai wrote: > According to fs/super.c, the kernel may sleep under a spinlock. > The function call path is: > put_super (acquire the spinlock) > __put_super > destroy_super > list_lru_destroy > list_lru_unregister > mutex_lock --> may sleep > memcg_get_cache_ids > down_read --> may sleep > > This bug is found by my static analysis tool and my code review. > > Thanks, > Jia-Ju Bai -- Michal Hocko SUSE Labs
