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From: Jann Horn <jannh@google.com>
To: Minchan Kim <minchan@kernel.org>
Cc: Michal Hocko <mhocko@kernel.org>, Linux-MM <linux-mm@kvack.org>,
	 kernel list <linux-kernel@vger.kernel.org>,
	Daniel Colascione <dancol@google.com>,
	 Dave Hansen <dave.hansen@intel.com>,
	"Joel Fernandes (Google)" <joel@joelfernandes.org>,
	 Andrew Morton <akpm@linux-foundation.org>
Subject: Re: interaction of MADV_PAGEOUT with CoW anonymous mappings?
Date: Fri, 13 Mar 2020 00:29:24 +0100	[thread overview]
Message-ID: <CAG48ez2JKTk8bs0_YcofxUA-oLYdBCWSzGRS2fzBHAQ==dCz5A@mail.gmail.com> (raw)
In-Reply-To: <20200312201602.GA68817@google.com>

On Thu, Mar 12, 2020 at 9:16 PM Minchan Kim <minchan@kernel.org> wrote:
> On Thu, Mar 12, 2020 at 09:22:48AM +0100, Michal Hocko wrote:
> > [Cc akpm]
> >
> > So what about this?
>
> Thanks, Michal.
>
> I't likde to wait Jann's reply since Dave gave his opinion about the vulnerability.
> https://lore.kernel.org/linux-mm/cf95db88-968d-fee5-1c15-10d024c09d8a@intel.com/
> Jann, could you give your insigh about that practically it's possible?

Since I don't really know much about the whole LVI attack, and in
particular don't have any practical experience with it, I don't think
I can help with insight on that. So since Dave said that he doesn't
think it's practical, I'll defer to him on that.


      parent reply	other threads:[~2020-03-12 23:29 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-10 18:08 interaction of MADV_PAGEOUT with CoW anonymous mappings? Jann Horn
2020-03-10 18:48 ` Michal Hocko
2020-03-10 19:11   ` Jann Horn
2020-03-10 21:09     ` Michal Hocko
2020-03-10 22:48       ` Dave Hansen
2020-03-11  8:45         ` Michal Hocko
2020-03-11 22:02           ` Minchan Kim
2020-03-11 23:53           ` Shakeel Butt
2020-03-12  0:18             ` Minchan Kim
2020-03-12  2:03               ` Daniel Colascione
2020-03-12 15:15                 ` Shakeel Butt
2020-03-10 20:19   ` Daniel Colascione
2020-03-10 21:40     ` Jann Horn
2020-03-10 21:52       ` Daniel Colascione
2020-03-10 22:14 ` Minchan Kim
2020-03-12  8:22 ` Michal Hocko
2020-03-12 15:40   ` Vlastimil Babka
2020-03-12 20:16   ` Minchan Kim
2020-03-12 20:26     ` Dave Hansen
2020-03-12 20:41     ` Michal Hocko
2020-03-13  2:08       ` Minchan Kim
2020-03-13  8:05         ` Michal Hocko
2020-03-13 20:59           ` Minchan Kim
2020-03-16  9:20             ` Michal Hocko
2020-03-17  1:43               ` Minchan Kim
2020-03-17  7:12                 ` Michal Hocko
2020-03-17 15:00                   ` Minchan Kim
2020-03-17 15:58                     ` Michal Hocko
2020-03-17 17:20                       ` Minchan Kim
2020-03-12 21:41     ` Dave Hansen
2020-03-13  2:00       ` Minchan Kim
2020-03-13 16:59         ` Dave Hansen
2020-03-13 21:13           ` Minchan Kim
2020-03-12 23:29     ` Jann Horn [this message]

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