linux-kernel - Re: rb tree hrtimer lockup bug (found by perf

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Message-ID: <alpine.DEB.2.10.1403201724430.23339@vincent-weaver-1.um.maine.edu>
Date:	Thu, 20 Mar 2014 17:25:39 -0400 (EDT)
From:	Vince Weaver <vincent.weaver@...ne.edu>
To:	Thomas Gleixner <tglx@...utronix.de>
cc:	Vince Weaver <vincent.weaver@...ne.edu>,
	linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: rb tree hrtimer lockup bug (found by perf_fuzzer)

On Thu, 20 Mar 2014, Thomas Gleixner wrote:
> 
> Yeah, it causes the explosion in the debug object code. This should
> have been:
> 
> +                       trace_printk("Tracking Object free: %s %p %pS\n",
> +                                    descr->name, obj->object, obj->hint);

attached are the results with the corrected patch.

Vince

Download attachment "hrtimer_boot2.log.bz2" of type "APPLICATION/octet-stream" (30955 bytes)