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From: Vince Weaver <vincent.weaver@maine.edu>
To: Vince Weaver <vincent.weaver@maine.edu>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>
Subject: Re: [perf] more perf_fuzzer memory corruption
Date: Wed, 16 Apr 2014 00:18:11 -0400 (EDT)	[thread overview]
Message-ID: <alpine.DEB.2.10.1404160014370.17661@vincent-weaver-1.um.maine.edu> (raw)
In-Reply-To: <alpine.DEB.2.10.1404152242560.17451@vincent-weaver-1.um.maine.edu>

On Tue, 15 Apr 2014, Vince Weaver wrote:

> Possibly it looks like a struct perf_event is being used after freed,
> specifically the event->migrate_entry->prev value?  I could
> be completely wrong about that.

and actually I'm mixing up hex and decimal.  It looks like the actual 
value being written to the freed area is at 0x48 whichi I think maps to
	event->hlist_entry->pprev

but really if it's late enough I'm mixing hex and decimal I should 
probably stop staring at trace dumps and get some sleep.

Vince



  reply	other threads:[~2014-04-16  4:15 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-15 21:37 [perf] more perf_fuzzer memory corruption Vince Weaver
2014-04-15 21:49 ` Thomas Gleixner
2014-04-16  3:21   ` Vince Weaver
2014-04-16  4:18     ` Vince Weaver [this message]
2014-04-16 14:15 ` Peter Zijlstra
2014-04-16 17:30   ` Vince Weaver
2014-04-16 17:43     ` Vince Weaver
2014-04-16 17:47       ` Peter Zijlstra
2014-04-17  9:48       ` Ingo Molnar
2014-04-17 11:45         ` Peter Zijlstra
2014-04-17 14:22           ` Ingo Molnar
2014-04-17 14:42             ` Vince Weaver
2014-04-17 14:54               ` Peter Zijlstra
2014-04-17 15:35                 ` Vince Weaver
2014-04-18 14:45                 ` Vince Weaver
2014-04-18 14:51                   ` Vince Weaver
2014-04-18 15:23                   ` Peter Zijlstra
2014-04-18 16:59                     ` Peter Zijlstra
2014-04-18 17:15                       ` Peter Zijlstra
2014-04-23 20:58                         ` Vince Weaver
2014-04-25  2:51                           ` Vince Weaver
2014-04-28 14:21                             ` Vince Weaver
2014-04-28 19:38                               ` Vince Weaver
2014-04-29  9:46                                 ` Peter Zijlstra
2014-04-29 18:21                                   ` Vince Weaver
2014-04-29 19:01                                     ` Peter Zijlstra
2014-04-29 20:59                                       ` Vince Weaver
2014-04-30 18:44                                         ` Peter Zijlstra
2014-04-30 21:08                                           ` Vince Weaver
2014-04-30 22:51                                             ` Thomas Gleixner
2014-05-01 10:26                                               ` Peter Zijlstra
2014-05-01 11:50                                                 ` Peter Zijlstra
2014-05-01 12:35                                                   ` Thomas Gleixner
2014-05-01 13:12                                                     ` Peter Zijlstra
2014-05-01 13:29                                                     ` Thomas Gleixner
2014-05-01 13:22                                                 ` Vince Weaver
2014-05-01 14:07                                           ` Vince Weaver
2014-05-01 14:27                                             ` Vince Weaver
2014-05-01 15:09                                               ` Peter Zijlstra
2014-05-01 15:50                                                 ` Vince Weaver
2014-05-01 16:31                                                   ` Thomas Gleixner
2014-05-01 17:18                                                     ` Vince Weaver
2014-05-01 18:49                                                       ` Vince Weaver
2014-05-01 21:32                                                         ` Vince Weaver
2014-05-02 11:15                                                         ` Peter Zijlstra
2014-05-02 15:42                                                         ` Peter Zijlstra
2014-05-02 16:22                                                           ` Vince Weaver
2014-05-02 16:22                                                             ` Peter Zijlstra
2014-05-02 16:43                                                               ` Vince Weaver
2014-05-02 17:27                                                                 ` Peter Zijlstra
2014-05-02 17:46                                                                   ` Vince Weaver
2014-05-02 19:12                                                                     ` Thomas Gleixner
2014-05-02 20:15                                                                       ` Vince Weaver
2014-05-02 20:45                                                                         ` Thomas Gleixner
2014-05-03  2:32                                                                           ` Vince Weaver
2014-05-03  3:02                                                                             ` Vince Weaver
2014-05-03  7:33                                                                               ` Peter Zijlstra
2014-05-05  9:31                                                                               ` Peter Zijlstra
2014-05-05 16:00                                                                                 ` Vince Weaver
2014-05-05 17:10                                                                                   ` Vince Weaver
2014-05-05 17:14                                                                                     ` Peter Zijlstra
2014-05-05 18:47                                                                                       ` Vince Weaver
2014-05-05 19:36                                                                                         ` Peter Zijlstra
2014-05-05 19:51                                                                                           ` Vince Weaver
2014-05-06  1:06                                                                                         ` Vince Weaver
2014-05-06 16:57                                                                                           ` Vince Weaver
2014-05-07 16:45                                                                                             ` Peter Zijlstra
2014-05-08 10:40                                                                                       ` [tip:perf/core] perf: Fix perf_event_init_context() tip-bot for Peter Zijlstra
2014-05-05 17:29                                                                                   ` [perf] more perf_fuzzer memory corruption Ingo Molnar
2014-05-06  4:51                                                                                     ` Vince Weaver
2014-05-06 17:06                                                                                       ` Vince Weaver
2014-05-07 19:12                                                                                         ` Ingo Molnar
2014-05-07 19:11                                                                                       ` Ingo Molnar
2014-05-08 10:40                                                                                 ` [tip:perf/core] perf: Fix race in removing an event tip-bot for Peter Zijlstra
2014-05-02 17:06                                                           ` [perf] more perf_fuzzer memory corruption Vince Weaver
2014-05-02 17:04                                                             ` Peter Zijlstra
2014-04-29 19:26                                     ` Steven Rostedt
2014-04-29  8:52                               ` Peter Zijlstra
2014-04-29 18:11                                 ` Vince Weaver
2014-04-29 19:21                                   ` Steven Rostedt
2014-04-28 17:48                             ` Thomas Gleixner

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