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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202208291208.E19DE00ED@keescook \
--to=keescook@chromium.org \
--cc=dave.hansen@intel.com \
--cc=linux-hardening@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=peterz@infradead.org \
--cc=seanjc@google.com \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.