netdev - Re: [PATCH v2] net: fix sk_page_frag() recursion from memory reclaim

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: <CALvZod5U5yEZPhURYffEtDto6sL8JG+3ZSRtv3uOait8yBn=EQ@mail.gmail.com>
Date:   Thu, 31 Oct 2019 12:14:58 -0700
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Tejun Heo <tj@...nel.org>
Cc:     Eric Dumazet <eric.dumazet@...il.com>,
        Michal Hocko <mhocko@...nel.org>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Kernel Team <kernel-team@...com>,
        LKML <linux-kernel@...r.kernel.org>,
        Josef Bacik <josef@...icpanda.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Linux MM <linux-mm@...ck.org>, Mel Gorman <mgorman@...e.de>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v2] net: fix sk_page_frag() recursion from memory reclaim

On Thu, Oct 31, 2019 at 12:00 PM Tejun Heo <tj@...nel.org> wrote:
>
> On Thu, Oct 31, 2019 at 11:51:57AM -0700, Shakeel Butt wrote:
> > > Yeah, PF_MEMALLOC is likely the better condition to check here as we
> > > primarily want to know whether %current might be recursing and that
> > > should be indicated reliably with PF_MEMALLOC.  Wanna prep a patch for
> > > it?
> >
> > Sure, I will keep your commit message and authorship (if you are ok with it).
>
> I think the patch already got merged, so it may be easier to do an
> incremental one.

Oh ok, I will send the incremental one once I have this patch in the mm tree.

>
> Thanks.
>
> --
> tejun