[lkml]   [2018]   [Jun]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 03/10] x86/cet: Signal handling for shadow stack
On Thu, Jun 07, 2018 at 01:57:03PM -0700, Andy Lutomirski wrote:
> >
> > I didn't read the whole series of patches in details
> > yet, hopefully will be able tomorrow. Thanks Andy for
> > CC'ing!
> We have uc_flags. It might be useful to carve out some of the flag
> space (24 bits?) to indicate something like the *size* of sigcontext
> and teach the kernel that new sigcontext fields should only be parsed
> on sigreturn() if the size is large enough.

Yes, this should do the trick.

 \ /
  Last update: 2018-06-08 14:08    [W:0.084 / U:4.244 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site