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Date:   Fri, 6 Jul 2018 14:45:34 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Mark Rutland <mark.rutland@arm.com>
Cc:     Matthew Wilcox <willy@infradead.org>, linux-kernel@vger.kernel.org,
        Matthew Wilcox <mawilcox@microsoft.com>,
        valdis.kletnieks@vt.edu
Subject: Re: [PATCH] radix-tree: avoid NULL dereference
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On Fri, 6 Jul 2018 16:36:41 +0100 Mark Rutland <mark.rutland@arm.com> wrote:

> > > 
> > > Acked-by: Matthew Wilcox <willy@infradead.org>
> > 
> > Cheers!
> > 
> > I assume that Andrew will pick this up, if he's also happy with it.
> 
> I've just started fuzzing, and found this also applies with
> node_tag_set(). I'll spin a v2 with that fixed up, too.

Thanks.  Please also give some thought to whether the fix should be
backported and if so, which patch(es) it Fixes:.