linux-kernel - Re: Multiple free during oprofile unload

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Date:	Fri, 25 May 2007 17:42:35 +0200
From:	Andi Kleen <ak@...ell.com>
To:	Chuck Ebbert <cebbert@...hat.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Dave Jones <davej@...hat.com>
Subject: Re: Multiple free during oprofile unload


>         for_each_possible_cpu(i) {
>                 kfree(cpu_msrs[i].counters);
>                 cpu_msrs[i].counters = NULL;
>                 kfree(cpu_msrs[i].controls);
>                 cpu_msrs[i].controls = NULL;
>         }
> 
> Seems the patch makes all the cpu_msrs[] point to the same area?

Yes I forgot to fix the free path. Will submit a patch.

BTW that is why I'm not so happy with you being so trigger happy with stable
submissions.

-Andi



> 


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