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Date: Tue, 28 Feb 2017 16:42:01 +0100
From: Andrea Arcangeli <aarcange@redhat.com>
Subject: Re: mm: fault in __do_fault
Message-ID: <20170228154201.GH5816@redhat.com>
References: <CACT4Y+YgntApw9WMLZwF_ncF4JQdA2FNHDpzM+8hb_FpCuuC_g@mail.gmail.com>
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Sender: owner-linux-mm@kvack.org
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To: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>, Jan Kara <jack@suse.cz>, ross.zwisler@linux.intel.com, Michal Hocko <mhocko@suse.com>, "linux-mm@kvack.org" <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>, Mike Kravetz <mike.kravetz@oracle.com>, syzkaller <syzkaller@googlegroups.com>

Hello Dmitry,

On Tue, Feb 28, 2017 at 03:04:53PM +0100, Dmitry Vyukov wrote:
> Hello,
> 
> The following program triggers GPF in __do_fault:
> https://gist.githubusercontent.com/dvyukov/27345737fca18d92ef761e7fa08aec9b/raw/d99d02511d0bf9a8d6f6bd9c79d373a26924e974/gistfile1.txt

Can you verify this fix: