linux-kernel - Re: [PATCH v1] mm/gup: disallow FOLL_FORCE|FOLL

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

Message-Id: <20221122150355.41805b9013855cf0433b6612@linux-foundation.org>
Date:   Tue, 22 Nov 2022 15:03:55 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Jason Gunthorpe <jgg@...dia.com>
Cc:     Mike Kravetz <mike.kravetz@...cle.com>,
        David Hildenbrand <david@...hat.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Peter Xu <peterx@...hat.com>,
        John Hubbard <jhubbard@...dia.com>,
        syzbot+f0b97304ef90f0d0b1dc@...kaller.appspotmail.com
Subject: Re: [PATCH v1] mm/gup: disallow FOLL_FORCE|FOLL_WRITE on hugetlb
 mappings

On Tue, 22 Nov 2022 13:59:25 -0400 Jason Gunthorpe <jgg@...dia.com> wrote:

> > > 
> > >     While that's certainly valid, it's not the common use case with
> > >     hugetlb pages.
> > 
> > FWIW, I did check with our product teams and they do not knowingly make use
> > of private mappings without write.  Of course, that is only a small and
> > limited sample size.
> 
> Yeah, if it is only this case I'm comfortable as well
> 

So.... I am to slap a cc:stable on this patch and we're all good?