Re: [PATCH v26 23/30] x86/cet/shstk: Handle thread shadow stack

Borislav Petkov
2021-05-12T16:37:47Z

On Tue, May 11, 2021 at 11:35:03AM -0700, Yu, Yu-cheng wrote:
> io_bitmap_share() does refcount_inc(&current->thread.io_bitmap->refcnt), and
> the function won't fail. However, shadow stack allocation can fail. So,
> maybe leave io_bitmap_share() at the end?

Yap, makes sense.

Thx.

--
Regards/Gruss,
Boris.