From: Michal Hocko <mhocko@suse.cz>
To: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: linux-mm@kvack.org
Subject: Re: [RFC PATCH 0/5] mm: Patches for mitigating memory allocation stalls.
Date: Mon, 24 Nov 2014 18:25:58 +0100 [thread overview]
Message-ID: <20141124172558.GF11745@curandero.mameluci.net> (raw)
In-Reply-To: <201411231349.CAG78628.VFQFOtOSFJMOLH@I-love.SAKURA.ne.jp>
On Sun 23-11-14 13:49:27, Tetsuo Handa wrote:
[...]
> I reported this vulnerability last year and a CVE number was assigned,
> but no progress has been made. If a malicious local user notices a
> patchset that mitigates/fixes this vulnerability, the user is free to
> attack existing Linux systems. Therefore, I propose this patchset before
> any patchset that mitigates/fixes this vulnerability is proposed.
I have looked at patches and I do not believe they address anything.
They seem like random and ad-hoc hacks which pretend to solve a class of
problems but in fact only paper over potentially real ones.
[...]
--
Michal Hocko
SUSE Labs
--
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prev parent reply other threads:[~2014-11-24 17:26 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-23 4:49 Tetsuo Handa
2014-11-23 4:50 ` [PATCH 1/5] mm: Introduce OOM kill timeout Tetsuo Handa
2014-11-24 16:50 ` Michal Hocko
2014-11-24 22:29 ` David Rientjes
2014-11-25 10:38 ` Michal Hocko
2014-11-25 12:54 ` Tetsuo Handa
2014-11-25 13:45 ` Michal Hocko
2014-11-26 11:58 ` Tetsuo Handa
2014-11-26 18:43 ` Michal Hocko
2014-11-27 14:49 ` Tetsuo Handa
2014-11-28 16:17 ` Michal Hocko
2014-11-23 4:50 ` [PATCH 2/5] mm: Kill shrinker's global semaphore Tetsuo Handa
2014-11-24 16:55 ` Michal Hocko
2014-11-23 4:51 ` [PATCH 3/5] mm: Remember ongoing memory allocation status Tetsuo Handa
2014-11-24 17:01 ` Michal Hocko
2014-11-23 4:52 ` [PATCH 4/5] mm: Drop __GFP_WAIT flag when allocating from shrinker functions Tetsuo Handa
2014-11-24 17:14 ` Michal Hocko
2014-11-23 4:53 ` [PATCH 5/5] mm: Insert some delay if ongoing memory allocation stalls Tetsuo Handa
2014-11-24 17:19 ` Michal Hocko
2014-11-24 17:25 ` Michal Hocko [this message]
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