From: Kees Cook <keescook@chromium.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Dave Hansen <dave.hansen@intel.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
linux-hardening@vger.kernel.org,
Sean Christopherson <seanjc@google.com>
Subject: Re: [PATCH v2] x86/mm: Refuse W^X violations
Date: Mon, 29 Aug 2022 12:08:56 -0700 [thread overview]
Message-ID: <202208291208.E19DE00ED@keescook> (raw)
In-Reply-To: <YwySW3ROc21hN7g9@hirez.programming.kicks-ass.net>
On Mon, Aug 29, 2022 at 12:18:03PM +0200, Peter Zijlstra wrote:
>
> x86 has STRICT_*_RWX, but not even a warning when someone violates it.
>
> Add this warning and fully refuse the transition.
>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
--
Kees Cook
next prev parent reply other threads:[~2022-08-29 19:09 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-29 10:18 [PATCH v2] x86/mm: Refuse W^X violations Peter Zijlstra
2022-08-29 19:08 ` Kees Cook [this message]
2022-09-01 18:17 ` [tip: x86/mm] " tip-bot2 for Peter Zijlstra
2022-09-21 20:07 ` [PATCH v2] " Guenter Roeck
2022-09-21 20:59 ` Dave Hansen
2022-09-21 22:59 ` Guenter Roeck
2022-09-22 3:09 ` Guenter Roeck
2022-09-22 7:46 ` Peter Zijlstra
2022-09-22 15:00 ` Dave Hansen
2022-09-22 16:38 ` Guenter Roeck
2022-09-22 16:29 ` Guenter Roeck
2022-09-22 19:31 ` [PATCH] x86/mm+efi: Avoid creating W+X mappings Dave Hansen
2022-09-22 22:08 ` Ard Biesheuvel
2022-09-23 6:59 ` Peter Zijlstra
2022-09-23 9:49 ` Ard Biesheuvel
2022-09-23 13:58 ` Guenter Roeck
2022-09-23 14:26 ` Ard Biesheuvel
2022-09-23 18:31 ` Kees Cook
2022-09-23 19:53 ` Ard Biesheuvel
2022-09-23 21:19 ` Kees Cook
2022-09-23 22:15 ` Dave Hansen
2022-09-23 22:32 ` Eric W. Biederman
2022-09-24 0:04 ` Kees Cook
2022-10-02 10:33 ` [PATCH v2] x86/mm: Refuse W^X violations Pavel Machek
2022-10-24 15:27 ` Steven Rostedt
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