From: Andrew Morton <akpm@linux-foundation.org>
To: Mike Kravetz <mike.kravetz@oracle.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Hillf Danton <hillf.zj@alibaba-inc.com>,
Hugh Dickins <hughd@google.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
Davidlohr Bueso <dave@stgolabs.net>,
Dave Hansen <dave.hansen@linux.intel.com>,
stable@vger.kernel.org
Subject: Re: [PATCH] mm/hugetlbfs Fix bugs in hugetlb_vmtruncate_list
Date: Thu, 7 Jan 2016 15:13:56 -0800 [thread overview]
Message-ID: <20160107151356.0e131b25f5740f6046221419@linux-foundation.org> (raw)
In-Reply-To: <1452206137-12441-1-git-send-email-mike.kravetz@oracle.com>
On Thu, 7 Jan 2016 14:35:37 -0800 Mike Kravetz <mike.kravetz@oracle.com> wrote:
> Hillf Danton noticed bugs in the hugetlb_vmtruncate_list routine.
> The argument end is of type pgoff_t. It was being converted to a
> vaddr offset and passed to unmap_hugepage_range. However, end
> was also being used as an argument to the vma_interval_tree_foreach
> controlling loop. In addition, the conversion of end to vaddr offset
> was incorrect.
Could we please have a description of the user-visible effects of the
bug? It's always needed for -stable things. And for all bugfixes, really.
(stable@vger.kernel.org[4.3] isn't an email address btw - my client barfed)
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next prev parent reply other threads:[~2016-01-07 23:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-07 22:35 Mike Kravetz
2016-01-07 23:13 ` Andrew Morton [this message]
2016-01-07 23:51 ` Mike Kravetz
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