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Date: Tue, 22 Sep 2015 11:54:17 -0700 (PDT)
From: Hugh Dickins <hughd@google.com>
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To: Andrey Konovalov <andreyknvl@google.com>
cc: "Kirill A. Shutemov" <kirill@shutemov.name>,
        Sasha Levin <sasha.levin@oracle.com>, Hugh Dickins <hughd@google.com>,
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        Andrew Morton <akpm@linux-foundation.org>,
        Dmitry Vyukov <dvyukov@google.com>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, Vlastimil Babka <vbabka@suse.cz>
Subject: Re: Multiple potential races on vma->vm_flags
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On Tue, 22 Sep 2015, Andrey Konovalov wrote:
> If anybody comes up with a patch to fix the original issue I easily
> can test it, since I'm hitting "BUG: Bad page state" in a second when
> fuzzing with KTSAN and Trinity.

This "BUG: Bad page state" sounds more serious, but I cannot track down
your report of it: please repost - thanks - though on seeing it, I may
well end up with no ideas.

Hugh