Commits
K. Y. Srinivasan committed 182ff0ebbda
drivers: hv: Turn off write permission on the hypercall page commit 372b1e91343e657a7cc5e2e2bcecd5140ac28119 upstream. The hypercall page only needs to be executable but currently it is setup to be writable as well. Fix the issue. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Acked-by: Kees Cook <keescook@chromium.org> Reported-by: Stephen Hemminger <stephen@networkplumber.org> Tested-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>