On Thu, 2018-06-07 at 11:50 -0700, Andy Lutomirski wrote:

On Thu, Jun 7, 2018 at 7:41 AM Yu-cheng Yu [off-list ref] wrote:

blocking remap_file_pages() seems reasonable.  I'm not sure what's
wrong with munmap().

Yes, maybe we don't need to block munmap().  If the shadow stack is
unmapped, the application gets a fault.  I will remove the patch.


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