[lkml]   [2018]   [Jun]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 00/10] Control Flow Enforcement - Part (3)

On 08/06/18 00:37, Yu-cheng Yu wrote:
> This series introduces CET - Shadow stack
> At the high level, shadow stack is:
> Allocated from a task's address space with vm_flags VM_SHSTK;
> Its PTEs must be read-only and dirty;
> Fixed sized, but the default size can be changed by sys admin.
> For a forked child, the shadow stack is duplicated when the next
> shadow stack access takes place.
> For a pthread child, a new shadow stack is allocated.
> The signal handler uses the same shadow stack as the main program.

Even with sigaltstack()?

Balbir Singh.

 \ /
  Last update: 2018-06-12 12:57    [W:0.534 / U:4.308 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site