Re: [PATCH v9 09/24] mm: protect mremap() against SPF hanlder

2018-04-04 Thread Laurent Dufour
On 28/03/2018 23:21, David Rientjes wrote: > On Wed, 28 Mar 2018, Laurent Dufour wrote: > @@ -326,7 +336,10 @@ static unsigned long move_vma(struct vm_area_struct *vma, mremap_userfaultfd_prep(new_vma, uf); arch_remap(mm, old_addr, old_addr + old_len,

Re: [PATCH v9 09/24] mm: protect mremap() against SPF hanlder

2018-03-28 Thread David Rientjes
On Wed, 28 Mar 2018, Laurent Dufour wrote: > >> @@ -326,7 +336,10 @@ static unsigned long move_vma(struct vm_area_struct > >> *vma, > >>mremap_userfaultfd_prep(new_vma, uf); > >>arch_remap(mm, old_addr, old_addr + old_len, > >> new_addr, new_addr +

Re: [PATCH v9 09/24] mm: protect mremap() against SPF hanlder

2018-03-28 Thread Laurent Dufour
On 28/03/2018 00:12, David Rientjes wrote: > On Tue, 13 Mar 2018, Laurent Dufour wrote: > >> diff --git a/include/linux/mm.h b/include/linux/mm.h >> index 88042d843668..ef6ef0627090 100644 >> --- a/include/linux/mm.h >> +++ b/include/linux/mm.h >> @@ -2189,16 +2189,24 @@ void

Re: [PATCH v9 09/24] mm: protect mremap() against SPF hanlder

2018-03-27 Thread David Rientjes
On Tue, 13 Mar 2018, Laurent Dufour wrote: > diff --git a/include/linux/mm.h b/include/linux/mm.h > index 88042d843668..ef6ef0627090 100644 > --- a/include/linux/mm.h > +++ b/include/linux/mm.h > @@ -2189,16 +2189,24 @@ void anon_vma_interval_tree_verify(struct > anon_vma_chain *node); > extern