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Date: Mon, 14 Jul 2014 11:58:02 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: Sasha Levin <sasha.levin@oracle.com>, Ingo Molnar <mingo@kernel.org>,
        John Stultz <john.stultz@linaro.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        LKML <linux-kernel@vger.kernel.org>, Dave Jones <davej@redhat.com>,
        Oleg Nesterov <oleg@redhat.com>
Subject: Re: sched, timers: use after free in __lock_task_sighand when
 exiting a process
Message-ID: <20140714095802.GQ9918@twins.programming.kicks-ass.net>
References: <53C2FF4D.3020606@oracle.com>
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On Mon, Jul 14, 2014 at 01:34:40PM +0400, Andrey Ryabinin wrote:
> On 07/14/14 13:04, Peter Zijlstra wrote:
> > On Sun, Jul 13, 2014 at 07:45:56PM -0400, Sasha Levin wrote:
> >> On 07/13/2014 05:51 PM, Sasha Levin wrote:
> >>> Hi all,
> >>>
> >>> While fuzzing with trinity inside a KVM tools guest running the lates=
t -next
> >>> kernel with the KASAN patchset, I've stumbled on the following spew:
> >=20
> > WTH is a KASAN?
> >=20
>=20
> It's dynamic memory checker, detects use after free, out of bounds access=
es - https://lkml.org/lkml/2014/7/9/990

How is it better/different from the existing use after free stuff? That
email fails to tell me.

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