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From: Peter Zijlstra <peterz@infradead.org>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	bigeasy@linutronix.de, Davidlohr Bueso <dave@stgolabs.net>,
	Ingo Molnar <mingo@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	syzkaller <syzkaller@googlegroups.com>
Subject: Re: futex: use-after-free in futex_wait_requeue_pi
Date: Mon, 13 Mar 2017 09:06:20 +0100	[thread overview]
Message-ID: <20170313080620.GG3343@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <CACT4Y+bWALT2BZmHO+P6a17pEo0KRcA_i9CQQ1+z3FYLiyk-mw@mail.gmail.com>

On Fri, Mar 10, 2017 at 07:10:30PM +0100, Dmitry Vyukov wrote:
> Hello,
> 
> The following program triggers use-after-free in futex_wait_requeue_pi:
> https://gist.githubusercontent.com/dvyukov/42e596153263793b75ad587c8d0626b0/raw/35461a6c1b0a4163a67191ff5d35202f35ecbf44/gistfile1.txt

There's a known use-after-free there, see:

http://lkml.kernel.org/r/20170304093558.801744246@infradead.org

I've not woken up enough; or actually looked at your report to see if
its the same.

  parent reply	other threads:[~2017-03-13  8:06 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-10 18:10 Dmitry Vyukov
2017-03-10 18:30 ` Sebastian Andrzej Siewior
2017-03-10 18:32   ` Dmitry Vyukov
2017-03-13  8:06 ` Peter Zijlstra [this message]
2017-03-13 10:02   ` Sebastian Andrzej Siewior
2017-03-13 10:04     ` Dmitry Vyukov

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