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Date: Sat, 9 Jul 2016 14:27:06 -0700
From: Andy Lutomirski <luto@...capital.net>
To: Dave Hansen <dave.hansen@...ux.intel.com>, X86 ML <x86@...nel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Minor PKRU bug?
is_prefetch in arch/x86/mm/fault.c can be called on a user address
that's not readable due to PKRU. This could break it. You might need
to add a get_user_exec or similar.
--Andy
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