linux-kernel - Re: [PATCH v2] mm: Split critical region in remap_file

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAHC9VhRxXAj3ee0z7eMAiDYJ858xOgRyBTwCjvTRfNzDqt6yVw@mail.gmail.com>
Date: Tue, 22 Oct 2024 12:27:21 -0400
From: Paul Moore <paul@...l-moore.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>, 
	Roberto Sassu <roberto.sassu@...weicloud.com>, Liam.Howlett@...cle.com, 
	lorenzo.stoakes@...cle.com, vbabka@...e.cz, jannh@...gle.com, 
	linux-mm@...ck.org, linux-kernel@...r.kernel.org, ebpqwerty472123@...il.com, 
	zohar@...ux.ibm.com, dmitry.kasatkin@...il.com, eric.snowberg@...cle.com, 
	jmorris@...ei.org, serge@...lyn.com, linux-integrity@...r.kernel.org, 
	linux-security-module@...r.kernel.org, bpf@...r.kernel.org, 
	linux-fsdevel@...r.kernel.org, stable@...r.kernel.org, 
	syzbot+1cd571a672400ef3a930@...kaller.appspotmail.com, 
	Roberto Sassu <roberto.sassu@...wei.com>
Subject: Re: [PATCH v2] mm: Split critical region in remap_file_pages() and
 invoke LSMs in between

On Mon, Oct 21, 2024 at 11:06 PM Andrew Morton
<akpm@...ux-foundation.org> wrote:
> On Sat, 19 Oct 2024 11:34:08 -0400 Paul Moore <paul@...l-moore.com> wrote:
>
> > >  mm/mmap.c | 69 +++++++++++++++++++++++++++++++++++++++++--------------
> > >  1 file changed, 52 insertions(+), 17 deletions(-)
> >
> > Thanks for working on this Roberto, Kirill, and everyone else who had
> > a hand in reviewing and testing.
> >
> > Reviewed-by: Paul Moore <paul@...l-moore.com>
> >
> > Andrew, I see you're pulling this into the MM/hotfixes-unstable
> > branch, do you also plan to send this up to Linus soon/next-week?  If
> > so, great, if not let me know and I can send it up via the LSM tree.
>
> In the normal course of things I'd send it upstream next week ...

That sounds good to me, I just wanted to make sure there was a path
forward to get into Linus' tree.

> ... but I
> can include it in this week's batch if we know that -next testing is
> hurting from it?

I don't believe so, I think this was just a syzbot gotcha.  From what
I understand remap_file_pages(2) isn't used much anymore.

-- 
paul-moore.com