Re: [PATCH 0/6] Memory Mapping (VMA) protection using PKU - set 1

[Jeff Xu]

On Tue, May 16, 2023 at 3:30 PM Dave Hansen <dave.hansen@xxxxxxxxx> wrote:
>
> On 5/16/23 15:17, Jeff Xu wrote:
> >>> This set of patch covers mprotect/munmap, I plan to work on other
> >>> syscalls after this.
> >> Which ones are on your list currently?
> >>
> > mprotect/mprotect_pkey/munmap
> > mmap/mremap
> > madvice,brk,sbrk
>
> What about pkey_free()?
>
> Without that, someone can presumably free the pkey and then reallocate
> it without PKEY_ENFORCE_API.
>
Great catch. I will add it to the list.
Thanks!
-Jeff Xu

>