Re: 回复: [PATCH] mm/slab.c: add node spinlock protect in __cache_free_alien

On Wed, 29 Jul 2020, Zhang, Qiang wrote: > > From: Zhang Qiang > > > > We should add node spinlock protect "n->alien" which may be > > assigned to NULL in cpuup_canceled func. cause address access > > exception. > > > > >Hi, do you have an example NULL pointer dereference where you have hit >

回复: [PATCH] mm/slab.c: add node spinlock protect in __cache_free_alien

发件人: David Rientjes 发送时间: 2020年7月29日 3:46 收件人: Zhang, Qiang 抄送: c...@linux.com; penb...@kernel.org; iamjoonsoo@lge.com; a...@linux-foundation.org; linux...@kvack.org; linux-kernel@vger.kernel.org 主题: Re: [PATCH] mm/slab.c: add node spinlock protect