From: Christoph Lameter <cl@linux.com>
To: Sasha Levin <levinsasha928@gmail.com>
Cc: akpm@linux-foundation.org, hughd@google.com,
dave@linux.vnet.ibm.com, ebiederm@xmission.com, davej@redhat.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] mm: fix NULL ptr dereference in move_pages
Date: Fri, 13 Apr 2012 08:52:05 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1204130851470.10789@router.home> (raw)
In-Reply-To: <1334321902-7143-2-git-send-email-levinsasha928@gmail.com>
On Fri, 13 Apr 2012, Sasha Levin wrote:
> Commit 3268c63 ("mm: fix move/migrate_pages() race on task struct") has added
> an odd construct where 'mm' is checked for being NULL, and if it is, it would
> get dereferenced anyways by mput()ing it.
Acked-by: Christoph Lameter <cl@linux.com>
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prev parent reply other threads:[~2012-04-13 13:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-13 12:58 [PATCH 1/2] mm: fix NULL ptr dereference in migrate_pages Sasha Levin
2012-04-13 12:58 ` [PATCH 2/2] mm: fix NULL ptr dereference in move_pages Sasha Levin
2012-04-13 13:52 ` Christoph Lameter [this message]
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