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Date:	Mon, 22 Dec 2014 15:38:26 -0500
From:	Sasha Levin <>
To:	Davidlohr Bueso <>,
	"Kirill A. Shutemov" <>
CC:	"" <>,
	LKML <>,
	Andrew Morton <>,
	Dave Jones <>
Subject: Re: mm: NULL ptr deref in unlink_file_vma

On 12/22/2014 02:04 PM, Davidlohr Bueso wrote:
> Sasha, does this still occur if you revert c8475d144abb?

On 12/22/2014 02:14 PM, Kirill A. Shutemov wrote:
> Sasha could you check if you hit untrack_pfn()?

I'm afraid I only hit this issue once, unlike the other once which
was bisected down.

I'm trying to play with it a bit to see if I can "help" it reproduce,
but no luck so far.

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