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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Tue, 19 Jun 2018 17:18:36 +0200
Message-ID: <CAHmME9q7aKGNiYauCjyy6Fu+bryPphEoLEMbAObTJgTrTfS2uw@mail.gmail.com>
Subject: Re: Possible regression in "slab, slub: skip unnecessary kasan_cache_shutdown()"
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Sender: owner-linux-mm@kvack.org
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To: Shakeel Butt <shakeelb@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>, aryabinin@virtuozzo.com, Alexander Potapenko <glider@google.com>, cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, Andrew Morton <akpm@linux-foundation.org>, kasan-dev@googlegroups.com, Linux-MM <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>

On Tue, Jun 19, 2018 at 5:08 PM Shakeel Butt <shakeelb@google.com> wrote:
> > > Are you using SLAB or SLUB? We stress kernel pretty heavily, but with
> > > SLAB, and I suspect Shakeel may also be using SLAB. So if you are
> > > using SLUB, there is significant chance that it's a bug in the SLUB
> > > part of the change.
> >
> > Nice intuition; I am indeed using SLUB rather than SLAB...
> >
>
> Can you try once with SLAB? Just to make sure that it is SLUB specific.

Sorry, I meant to mention that earlier. I tried with SLAB; the crash
does not occur. This appears to be SLUB-specific.