Re: [patch 02/52] fs: fix superblock iteration race

From: Nick Piggin
Date: Tue Jun 29 2010 - 13:41:31 EST

On Tue, Jun 29, 2010 at 10:35:47AM -0700, Linus Torvalds wrote:
> On Tue, Jun 29, 2010 at 7:56 AM, Nick Piggin <npiggin@xxxxxxx> wrote:
> > On Tue, Jun 29, 2010 at 09:02:14AM -0400, Christoph Hellwig wrote:
> >> This should actually be on it's way to Linus for .35, shouldn't it?
> >
> > Yeah, I was waiting for Al to reappear, but I think this is
> > probably the nicest way to solve the problem. Linus?
> I'll apply it. We have a couple of oopses listed for the superblock
> iterator, and I haven't heard from Al. And the patch looks obviously
> fine, whether it's actually the cause of some of the bugs or not.

OK. I only have managed to get it into an infininte loop but I think
it would be surely possible to oops it because the next pointer can
be uninitialised memory at that point.

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