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Date: Tue, 26 Feb 2019 15:36:44 -0800
From: Kees Cook <keescook@...omium.org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Kees Cook <keescook@...omium.org>,
Peter Zijlstra <peterz@...radead.org>,
Jann Horn <jannh@...gle.com>,
Sean Christopherson <sean.j.christopherson@...el.com>,
Dominik Brodowski <linux@...inikbrodowski.net>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH 0/3] x86/asm: More pinning
This adds CR0 pinning (for WP), and cleans up the CR4 pin to avoid
taking an exception from WARN before fixing up the desired pin.
Additionally adds lkdtm test (which depends on the CR4 patch, otherwise
I'd send it via Greg's tree).
Thanks!
-Kees
Kees Cook (3):
x86/asm: Pin sensitive CR0 bits
x86/asm: Avoid taking an exception before cr4 restore
lkdtm: Check for SMEP clearing protections
arch/x86/include/asm/special_insns.h | 33 +++++++++++++--
drivers/misc/lkdtm/bugs.c | 60 ++++++++++++++++++++++++++++
drivers/misc/lkdtm/core.c | 1 +
drivers/misc/lkdtm/lkdtm.h | 1 +
4 files changed, 91 insertions(+), 4 deletions(-)
--
2.17.1
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