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Date: Tue, 1 Dec 2015 23:26:36 +0200
From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: Re: mm: kernel BUG at mm/huge_memory.c:3272!
Message-ID: <20151201212636.GA137439@black.fi.intel.com>
References: <565C5F2D.5060003@oracle.com>
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To: Sasha Levin <sasha.levin@oracle.com>, Minchan Kim <minchan@kernel.org>, Andrew Morton <akpm@linux-foundation.org>
Cc: LKML <linux-kernel@vger.kernel.org>, "linux-mm@kvack.org" <linux-mm@kvack.org>

On Mon, Nov 30, 2015 at 09:37:33AM -0500, Sasha Levin wrote:
> Hi Kirill,
> 
> I've hit the following while fuzzing with trinity on the latest -next kernel:
> 
> [  321.348184] page:ffffea0011a20080 count:1 mapcount:1 mapping:ffff8802d745f601 index:0x1802
> [  321.350607] flags: 0x320035c00040078(uptodate|dirty|lru|active|swapbacked)
> [  321.453706] page dumped because: VM_BUG_ON_PAGE(!PageLocked(page))
> [  321.455353] page->mem_cgroup:ffff880286620000

I think this should help: