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Date:	Sun, 22 Dec 2013 21:44:45 +0100
From:	Kristian Nielsen <>
To:	Gu Zheng <>
Cc:	Dave Jones <>, Benjamin LaHaise <>,
	Kent Overstreet <>,
	Linux Kernel <>,
	Sasha Levin <>
Subject: Re: GPF in aio_migratepage

Gu Zheng <> writes:

> This issue seems like a problem that has been fixed yet:
> commit 5e9ae2e5da0beb93f8557fc92a8f4fbc05ea448f
> aio: fix use-after-free in aio_migratepage
> So I think maybe you can run with latest Linus' tree or 3.13-rc4 to
> check whether this issue still appears.

Hm. I checked that thread, and as far as I can see, that patch was already
included in the tree I hit the BUG in (3.13-rc1):

There are other changes in that area since 3.13-rc1 though.

Anyway, I am now running with 3.13-rc4 and will report if I see anything.
Given that I do not have any way to reproduce (I only ever saw this once),
this seems the best that can be done for now.

Thanks for following up on this!

 - Kristian.
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