drivers: hv: Turn off write permission on the hypercall page

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commit 372b1e9134 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>
[bwh: Backported to 3.16: adjust filename, context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

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K. Y. Srinivasan 2017-02-08 18:30:56 -07:00 • committed by Ben Hutchings

parent b324f30944

commit 43506f192f

1 changed files with 1 additions and 1 deletions

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drivers/hv/hv.c

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