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From: Sasha Levin <sasha.levin@oracle.com>
To: Davidlohr Bueso <dave@stgolabs.net>,
	"Kirill A. Shutemov" <kirill@shutemov.name>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Dave Jones <davej@redhat.com>
Subject: Re: mm: NULL ptr deref in unlink_file_vma
Date: Mon, 22 Dec 2014 15:38:26 -0500	[thread overview]
Message-ID: <54988142.40207@oracle.com> (raw)
In-Reply-To: <1419275072.8812.1.camel@stgolabs.net>

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.


Thanks,
Sasha

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WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sasha.levin@oracle.com>
To: Davidlohr Bueso <dave@stgolabs.net>,
	"Kirill A. Shutemov" <kirill@shutemov.name>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Dave Jones <davej@redhat.com>
Subject: Re: mm: NULL ptr deref in unlink_file_vma
Date: Mon, 22 Dec 2014 15:38:26 -0500	[thread overview]
Message-ID: <54988142.40207@oracle.com> (raw)
In-Reply-To: <1419275072.8812.1.camel@stgolabs.net>

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.


Thanks,
Sasha

  reply	other threads:[~2014-12-22 20:38 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-22 15:04 mm: NULL ptr deref in unlink_file_vma Sasha Levin
2014-12-22 15:04 ` Sasha Levin
2014-12-22 18:01 ` Kirill A. Shutemov
2014-12-22 18:01   ` Kirill A. Shutemov
2014-12-22 18:04   ` Kirill A. Shutemov
2014-12-22 18:04     ` Kirill A. Shutemov
2014-12-22 19:04     ` Davidlohr Bueso
2014-12-22 19:04       ` Davidlohr Bueso
2014-12-22 20:38       ` Sasha Levin [this message]
2014-12-22 20:38         ` Sasha Levin
2014-12-22 18:05   ` Sasha Levin
2014-12-22 18:05     ` Sasha Levin
2014-12-22 19:14     ` Kirill A. Shutemov
2014-12-22 19:14       ` Kirill A. Shutemov
2014-12-22 22:12       ` Davidlohr Bueso
2014-12-22 22:12         ` Davidlohr Bueso
2015-02-10 18:42       ` Konstantin Khlebnikov
2015-02-10 18:42         ` Konstantin Khlebnikov
2015-02-11 12:22         ` Kirill A. Shutemov
2015-02-11 12:22           ` Kirill A. Shutemov
2015-02-12 13:42           ` Konstantin Khlebnikov
2015-02-12 13:42             ` Konstantin Khlebnikov

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