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Date: Thu, 25 Aug 2022 21:42:12 +0200 From: Peter Zijlstra <peterz@...radead.org> To: Kees Cook <keescook@...omium.org> Cc: Dave Hansen <dave.hansen@...el.com>, x86@...nel.org, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Re: [PATCH] x86/mm: Refuse W^X violations On Thu, Aug 25, 2022 at 11:16:12AM -0700, Kees Cook wrote: > On Thu, Aug 25, 2022 at 02:23:31PM +0200, Peter Zijlstra wrote: > > x86 has STRICT_*_RWX, but not even a warning when someone violates it. > > Yes please. I assume this is only kernel pages? Doing this globally is > nice too, but runs into annoying problems[1]. Yeah, this interface should only be used on kernel pages.
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