lkml.org 
[lkml]   [2019]   [Jun]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH, RFC 45/62] mm: Add the encrypt_mprotect() system call for MKTME
    On Wed, May 08, 2019 at 05:44:05PM +0300, Kirill A. Shutemov wrote:
    > diff --git a/fs/exec.c b/fs/exec.c
    > index 2e0033348d8e..695c121b34b3 100644
    > --- a/fs/exec.c
    > +++ b/fs/exec.c
    > @@ -755,8 +755,8 @@ int setup_arg_pages(struct linux_binprm *bprm,
    > vm_flags |= mm->def_flags;
    > vm_flags |= VM_STACK_INCOMPLETE_SETUP;
    >
    > - ret = mprotect_fixup(vma, &prev, vma->vm_start, vma->vm_end,
    > - vm_flags);
    > + ret = mprotect_fixup(vma, &prev, vma->vm_start, vma->vm_end, vm_flags,
    > + -1);

    You added a nice NO_KEY helper a few patches back, maybe use it?

    > if (ret)
    > goto out_unlock;
    > BUG_ON(prev != vma);

    \
     
     \ /
      Last update: 2019-06-14 13:48    [W:3.904 / U:0.012 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site