Messages in this thread | | | Date | Fri, 2 Dec 2022 18:52:59 -0800 | From | Kees Cook <> | Subject | Re: [PATCH v4 32/39] x86: Expose thread features in /proc/$PID/status |
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On Fri, Dec 02, 2022 at 04:35:59PM -0800, Rick Edgecombe wrote: > Applications and loaders can have logic to decide whether to enable > shadow stack. They usually don't report whether shadow stack has been > enabled or not, so there is no way to verify whether an application > actually is protected by shadow stack. > > Add two lines in /proc/$PID/status to report enabled and locked features. > > Since, this involves referring to arch specific defines in asm/prctl.h, > implement an arch breakout to emit the feature lines. > > Tested-by: Pengfei Xu <pengfei.xu@intel.com> > Tested-by: John Allen <john.allen@amd.com> > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
-- Kees Cook
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