Re: btrfs triggered lockdep WARN.
From: Dave Jones
Date: Thu Jun 27 2013 - 13:03:27 EST
On Thu, Jun 27, 2013 at 11:38:57AM -0400, Chris Mason wrote:
> > > I really hope you don't already have CONFIG_DEBUG_PAGE_ALLOC turned on,
> > > maybe it will catch this?
> >
> > I do. Though given this is lockdep complaining about what looks like
> > memory corruption, it's probably not related.
>
> Ok, could you please try this with some heavy memory pressure? I'm
> hoping to trigger a use-after-free that points us in the right
> direction.
Have anything in particular in mind ? I tried a make -j on a kernel tree
in a loop, but nothing new is shaking out.
Dave
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