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From: Andrey Ryabinin <a.ryabinin@samsung.com>
To: Peter Zijlstra <peterz@infradead.org>,
	Sasha Levin <sasha.levin@oracle.com>
Cc: 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
Date: Mon, 14 Jul 2014 13:34:40 +0400	[thread overview]
Message-ID: <53C3A430.9090508@samsung.com> (raw)
In-Reply-To: <20140714090449.GL9918@twins.programming.kicks-ass.net>

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 latest -next
>>> kernel with the KASAN patchset, I've stumbled on the following spew:
> 
> WTH is a KASAN?
> 

It's dynamic memory checker, detects use after free, out of bounds accesses - https://lkml.org/lkml/2014/7/9/990


  reply	other threads:[~2014-07-14  9:40 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-13 21:51 sched, timers: use after free in __lock_task_sighand when exiting a process Sasha Levin
2014-07-13 23:45 ` Sasha Levin
2014-07-14  9:04   ` Peter Zijlstra
2014-07-14  9:34     ` Andrey Ryabinin [this message]
2014-07-14  9:58       ` Peter Zijlstra
2014-07-14 10:25         ` Andrey Ryabinin
2014-07-14 14:49     ` Oleg Nesterov
2014-07-14 15:13       ` Oleg Nesterov
2014-07-14 15:31       ` Andrey Ryabinin
2014-07-14 16:01       ` finish_task_switch && prev_state (Was: sched, timers: use after free in __lock_task_sighand when exiting a process) Oleg Nesterov
2014-07-15 13:12         ` Oleg Nesterov
2014-07-15 13:23           ` Peter Zijlstra
2014-07-15 14:25             ` Oleg Nesterov
2014-07-29  9:10               ` Peter Zijlstra
2014-07-29  9:22                 ` Peter Zijlstra
2014-07-29 15:53                   ` Oleg Nesterov
2014-07-15 13:28       ` sched, timers: use after free in __lock_task_sighand when exiting a process Peter Zijlstra

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