From: Florent Revest <revest@chromium.org>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: alx@kernel.org, linux-man@vger.kernel.org, joey.gouly@arm.com,
akpm@linux-foundation.org, keescook@chromium.org
Subject: Re: [PATCH] prctl.2: Document PR_SET_MDWE and PR_GET_MDWE
Date: Wed, 11 Oct 2023 13:12:24 +0200 [thread overview]
Message-ID: <CABRcYmL3xt7gUoeOcmprmTfvDmMiyQCSf_dDqdi2GcjhAVquFg@mail.gmail.com> (raw)
In-Reply-To: <ZSQrmNWtNEiIj7bl@arm.com>
On Mon, Oct 9, 2023 at 6:34 PM Catalin Marinas <catalin.marinas@arm.com> wrote:
>
> On Tue, Oct 03, 2023 at 05:50:10PM +0200, Florent Revest wrote:
> > +.B PR_MDWE_REFUSE_EXEC_GAIN
> > +New memory mapping protections can't be writable and executable. Non-executable
> > +mappings can't become executable.
> > +.TP
> > +.B PR_MDWE_NO_INHERIT " (since Linux 6.6)"
> > +.\" commit 2a87e5520554034e8c423479740f95bea4a086a0
> > +Do not propagate MDWE protection to child processes on
>
> Should this mention that PR_MDWE_NO_INHERIT requires
> PR_MDWE_REFUSE_EXEC_GAIN (unless I forgot how this was supposed to
> work).
Yes! :) That's a good point, thank you Catalin
prev parent reply other threads:[~2023-10-11 11:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-03 15:50 [PATCH] prctl.2: Document PR_SET_MDWE and PR_GET_MDWE Florent Revest
2023-10-08 21:39 ` Alejandro Colomar
2023-10-11 11:15 ` Florent Revest
2023-10-09 16:34 ` Catalin Marinas
2023-10-11 11:12 ` Florent Revest [this message]
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=CABRcYmL3xt7gUoeOcmprmTfvDmMiyQCSf_dDqdi2GcjhAVquFg@mail.gmail.com \
--to=revest@chromium.org \
--cc=akpm@linux-foundation.org \
--cc=alx@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=joey.gouly@arm.com \
--cc=keescook@chromium.org \
--cc=linux-man@vger.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).