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.
next prev 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 futex: use-after-free in futex_wait_requeue_pi 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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