Re: [PATCH] rmap: validate pointer in anon_vma_clone

On Wed, May 7, 2014 at 10:32 AM, Leon Ma wrote: > If memory allocation failed in first loop, root will be NULL and > will lead to kernel panic. Hello, Leon, I am afraid not. unlock_anon_vma_root() has a sanity check NULLness of root, so it is impossible to panic for a dangling root pointer.

RE: [PATCH] rmap: validate pointer in anon_vma_clone

Sorry, my fault. It's already validated in unlock_anon_vma_root(). BR Leon -Original Message- From: Ma, Xindong Sent: Wednesday, May 07, 2014 10:32 AM To: a...@linux-foundation.org; iamjoonsoo@lge.com; n-horigu...@ah.jp.nec.com; kirill.shute...@linux.intel.com; gorcu...@gmail.com;